<!-- HEADER --> <header class="main-header"> <div class="header-top"> <div class="container"> <div class="header-top-wrap"> <div class="minisearch"> <form action="https://systemfanglobal.com/" role="search" id="searchform" method="GET"> <input type="hidden" name="type" value="product"> <input id="searchform-input woocommerce-product-search-field-0" class="sf-input" type="text" placeholder="Search..." name="s"> <button class="sf-submit-icon" type="submit" value="Search"> <i class="fas fa-search"></i> </button> <!-- <button id="searchform-submit" class="sf-submit" type="submit" value=""> --> </form> </div> <div class="block-functions"> <div class="list-social"> <a target="_blank" rel="nofollow" href="https://www.facebook.com/systemfan.globalgroup"> <i class="fab fa-facebook-f"></i> </a> <a rel="nofollow" href="https://wa.me/+84867853866" target="_blank" > <i class="fab fa-whatsapp-square" style="font-size:30px; color: green;"></i> </a> <a rel="nofollow" href="http://www.linkedin.com/in/jack-nguyễn-5b64101a0" target="_blank" > <i class="fab fa-linkedin" style="font-size:30px;color: #007bff;"></i> </a> </div> </div> </div> </div> </div> <div class="main-menu bg-main-color"> <div class="container"> <div class="row"> <div class="col-12"> <div class="inner"> <div class="logo"> <a rel="nofollow" href="https://systemfanglobal.com"> <img src="https://systemfanglobal.com/wp-content/uploads/2022/06/logo.png" alt="logo"> </a> </div> <div class="menu-container"> <div class="menu-menu-tieng-anh-container"><ul id="menu-menu-tieng-anh" class="menu"><li id="menu-item-2062" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2062"><a href="https://systemfanglobal.com/about-us/">About Us</a></li> <li id="menu-item-2063" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-2063"><a href="https://systemfanglobal.com/industrial-fan/">Industrial Fan</a> <ul class="sub-menu"> <li id="menu-item-2064" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-2064"><a href="https://systemfanglobal.com/centrifugal-fans/">Centrifugal fans</a> <ul class="sub-menu"> <li id="menu-item-2065" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2065"><a href="https://systemfanglobal.com/high-pressure-centrifugal-fan/">High pressure fan</a></li> <li id="menu-item-2066" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2066"><a href="https://systemfanglobal.com/low-pressure-centrifugal-fan/">Low pressure fan</a></li> <li id="menu-item-2067" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2067"><a href="https://systemfanglobal.com/direct-drive-centrifugal-fan/">Direct drive fan</a></li> <li id="menu-item-2068" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2068"><a href="https://systemfanglobal.com/indirect-drive-centrifugal-fan/">Indirect drive fan</a></li> </ul> </li> <li id="menu-item-2069" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-2069"><a href="https://systemfanglobal.com/axial-fans/">Axial Fans</a> <ul class="sub-menu"> <li id="menu-item-2070" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2070"><a href="https://systemfanglobal.com/high-pressure-axial-fan/">High pressure fan</a></li> <li id="menu-item-2071" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2071"><a href="https://systemfanglobal.com/low-pressure-axial-fan/">Low pressure fan</a></li> <li id="menu-item-2072" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2072"><a href="https://systemfanglobal.com/direct-drive-axial-fan/">Direct drive fan</a></li> <li id="menu-item-2073" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2073"><a href="https://systemfanglobal.com/indirect-drive-axial-fan/">Indirect drive fan</a></li> </ul> </li> </ul> </li> <li id="menu-item-2075" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2075"><a href="https://systemfanglobal.com/dust-collection/">Dust Collection</a></li> <li id="menu-item-2074" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2074"><a href="https://systemfanglobal.com/duct-fan/">Duct fan</a></li> <li id="menu-item-2076" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2076"><a href="https://systemfanglobal.com/blog/">Blog</a></li> <li id="menu-item-2060" class="pll-parent-menu-item menu-item menu-item-type-custom menu-item-object-custom current-menu-parent menu-item-has-children menu-item-2060"><a href="#pll_switcher"><img src="data:image/png;base64,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" alt="English" width="16" height="11" style="width: 16px; height: 11px;" /></a> <ul class="sub-menu"> <li id="menu-item-2060-hi" class="lang-item lang-item-64 lang-item-hi no-translation lang-item-first menu-item menu-item-type-custom menu-item-object-custom menu-item-2060-hi"><a href="https://systemfanglobal.com/hi/" hreflang="hi-IN" lang="hi-IN"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAALCAMAAABBPP0LAAAAjVBMVEX/vwD5tADyqQDrnAD95Hr74XP53mr932D83Vj72k7610P61TT30Cn+7aX954zXzpalrbmiq7bnsgD8/Pz9/v6bq9bIzeT29/f09PXk5ea9wt2Bj8OKn8+ElssAcwCIxIhnsmdfrF9XqFdQpFBEn0Q5mDoAIgAAbwCAv4AAGQAAZQB1uHUAVwAARAAANACRhc+AAAAAVElEQVR4AQXBAU4CQRRAsb6db7Jg9P4XlRAIs7YBRCiDJMlrWIkkW99HqPZD9u+cuTh0naLJBV/1Dg6gZQfmXpQknzluN0oS1qx9Lv5IyhjyE08W/yjQDpdmVRfaAAAAAElFTkSuQmCC" alt="हिन्दी" width="16" height="11" style="width: 16px; height: 11px;" /></a></li> <li id="menu-item-2060-en" class="lang-item lang-item-78 lang-item-en current-lang menu-item menu-item-type-custom menu-item-object-custom menu-item-2060-en"><a href="https://systemfanglobal.com/forward-curved-and-backward-curved-centrifugal-fan/" hreflang="en-GB" lang="en-GB"><img src="data:image/png;base64,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" alt="English" width="16" height="11" style="width: 16px; height: 11px;" /></a></li> <li id="menu-item-2060-th" class="lang-item lang-item-171 lang-item-th no-translation menu-item menu-item-type-custom menu-item-object-custom menu-item-2060-th"><a href="https://systemfanglobal.com/th/" hreflang="th" lang="th"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAALCAMAAABBPP0LAAAAY1BMVEX+AAD2AADuAAD/goH9dnb7bGz5YmL3Vlb+/v74+Pjx8fE/QK+ur96XmdWMjc+Cg8l3d8YAAH1VVrdLTLM1NaotLaUhIqATE5oAACgAAHNoar8AAFrg4ODzSUnyQUHfAADnAABuUDLQAAAAVElEQVR4AQXBQQ6CQAAAsY6LynL04NH/P9AYjAnYBiBEBkKSXysgoGUUInKM5XZeZDeV3tsF2U0l07L2tZtJZDk+w3XDTu41z4DAo0YinqQSvHDCH4P0DbBHDm4aAAAAAElFTkSuQmCC" alt="ไทย" width="16" height="11" style="width: 16px; height: 11px;" /></a></li> <li id="menu-item-2060-tr" class="lang-item lang-item-213 lang-item-tr no-translation menu-item menu-item-type-custom menu-item-object-custom menu-item-2060-tr"><a href="https://systemfanglobal.com/tr/" hreflang="tr-TR" lang="tr-TR"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAALCAMAAABBPP0LAAAARVBMVEX+AAD3AADwAAD+fHz9cHH7ZGT9WVn6UFDpAAD9oKD5Q0P5OTn2MzP1Kir7ubr65ub1Gxv69PTzDw/kAAD319ffAAD4iooXHQ3FAAAAYklEQVR4AT3HhW0EQRQD0Oc/KG3/dQYEYTg2O+4IQbTHydWt0fw2Sfz8Fuw51+U3On7a6/pc/as1UZLDyuq13lWOwpdPn3+v7XJiDD3DR1N87Qr5WXX9zyQ9opEIOwkmDgr/ZXASmpFRqe0AAAAASUVORK5CYII=" alt="Türkçe" width="16" height="11" style="width: 16px; height: 11px;" /></a></li> </ul> </li> </ul></div> </div> <!-- <div class="search-form-wrapper"> <form method="get" action="https://systemfanglobal.com" class="search-form"> <input type="hidden" name="type" value="product"/> <input type="text" id="woocommerce-product-search-field-0" name="s" id="" class="search-field" value="" placeholder="Tìm kiếm..."> <button value="Search" type="submit" class="search-btn"> <i class="fas fa-search"></i> </button> </form> </div> --> <!-- --> <a href="#"> <div class="btn-contactus kgin-sharp"> Contact us </div> </a> <div class="responsive-menu-toggle thc_center_col"> <i class="far fa-bars"></i> </div> </div> </div> </div> </div> </div> </header> <div class="breadcrumbs"> <div class="container"> <nav class="woocommerce-breadcrumb" aria-label="Breadcrumb"><a href="https://systemfanglobal.com">Home</a> / <a href="https://systemfanglobal.com/news-en/">News</a> / Forward curved and backward curved centrifugal fan</nav> </div> </div> <section class="section-content-blog "> <div class="container"> <div class="row block-blog"> <div class="col-lg-3 sidebar-blog"> <div class="sidebar-wrap sb-left"> <div class="module-sidebar"> <div class="moldul-title"> <i class="fas fa-bars"></i> News category </div> <div class="list-cat-blog"> <ul class="cat-list"> <li> <a href="https://systemfanglobal.com/typical-projects/export/"> Export </a> </li> <li> <a href="https://systemfanglobal.com/news-en/"> News </a> </li> <li> <a href="https://systemfanglobal.com/typical-projects/vietnam/"> Projects in Vietnam </a> </li> <li> <a href="https://systemfanglobal.com/typical-projects/"> Typical projects </a> </li> </ul> </div> </div> <div class="module-sidebar"> <div class="moldul-title"> <i class="fas fa-bars"></i> Newest write </div> <div class="list-related-posts"> <div class="item-post"> <a href="https://systemfanglobal.com/system-fan-signs-exclusive-distribution-deal-in-uae/" rel="nofollow"> <div class="image-post"> <img class="lazy" data-src="https://systemfanglobal.com/wp-content/uploads/2022/06/logo.png" alt=""> </div> <div class="tit-post"> System Fan Signs Exclusive Distribution Deal in UAE </div> </a> </div> <div class="item-post"> <a href="https://systemfanglobal.com/biel-crystal-hai-duong/" rel="nofollow"> <div class="image-post"> <img class="lazy" data-src="https://systemfanglobal.com/wp-content/uploads/2025/11/sad-a.png" alt=""> </div> <div class="tit-post"> Project in Hai Duong Continues to Choose 16 SAD-A9 Axial Fans from System Fan </div> </a> </div> <div class="item-post"> <a href="https://systemfanglobal.com/sci-h8-centrifugal-fan/" rel="nofollow"> <div class="image-post"> <img class="lazy" data-src="https://systemfanglobal.com/wp-content/uploads/2025/11/sci-h8.png" alt=""> </div> <div class="tit-post"> SCI-H8 Centrifugal Fan for UV & Activated Carbon Systems </div> </a> </div> <div class="item-post"> <a href="https://systemfanglobal.com/indirect-drive-industrial-centrifugal-fan-impressive-design/" rel="nofollow"> <div class="image-post"> <img class="lazy" data-src="https://systemfanglobal.com/wp-content/uploads/2022/06/logo.png" alt=""> </div> <div class="tit-post"> Indirect-Drive Industrial Centrifugal Fan – Impressive Design </div> </a> </div> <div class="item-post"> <a href="https://systemfanglobal.com/exporting-sci-h9-25-centrifugal-fan-to-uae-market/" rel="nofollow"> <div class="image-post"> <img class="lazy" data-src="https://systemfanglobal.com/wp-content/uploads/2022/06/logo.png" alt=""> </div> <div class="tit-post"> Exporting SCI-H9.25 centrifugal fan to UAE market </div> </a> </div> </div> </div> <div class="module-sidebar box-ads"> <div class="list-ads"> <a href="#"> <img class="lazy" data-orig=https://systemfanglobal.com/wp-content/uploads/2022/05/certificate.jpg" alt=""> </a> </div> </div> </div> </div> <div class="col-lg-9 content-blog block-content"> <div class="module-new"> <h1 class="title-cat"> Forward curved and backward curved centrifugal fan </h1> <div class="date">December 11, 2023</div> <div class="block-content"> <div id="ez-toc-container" class="ez-toc-v2_0_55 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction"> <div class="ez-toc-title-container"> <p class="ez-toc-title " >TABLE OF CONTENTS </p> <span class="ez-toc-title-toggle"><a href="#" class="ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle" aria-label="Toggle Table of Content" role="button"><label for="item-69a96504b056d" ><span class=""><span style="display:none;">Toggle</span><span class="ez-toc-icon-toggle-span"><svg style="fill: #999;color:#999" xmlns="http://www.w3.org/2000/svg" class="list-377408" width="20px" height="20px" viewBox="0 0 24 24" fill="none"><path d="M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z" fill="currentColor"></path></svg><svg style="fill: #999;color:#999" class="arrow-unsorted-368013" xmlns="http://www.w3.org/2000/svg" width="10px" height="10px" viewBox="0 0 24 24" version="1.2" baseProfile="tiny"><path d="M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z"/></svg></span></span></label><input aria-label="Toggle" aria-label="item-69a96504b056d" type="checkbox" id="item-69a96504b056d"></a></span></div> <nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-1" href="#What_is_a_forward_curved_centrifugal_fan" title="What is a forward curved centrifugal fan?">What is a forward curved centrifugal fan?</a></li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-2" href="#What_is_a_backward-curved_centrifugal_fan" title="What is a backward-curved centrifugal fan? ">What is a backward-curved centrifugal fan? </a></li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-3" href="#Differences_between_Forward-Curved_and_Backward-Curved_Centrifugal_Fans" title="Differences between Forward-Curved and Backward-Curved Centrifugal Fans">Differences between Forward-Curved and Backward-Curved Centrifugal Fans</a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class="ez-toc-link ez-toc-heading-4" href="#Composition" title="Composition">Composition</a></li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class="ez-toc-link ez-toc-heading-5" href="#Function" title="Function">Function</a></li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class="ez-toc-link ez-toc-heading-6" href="#Application" title="Application">Application</a></li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class="ez-toc-link ez-toc-heading-7" href="#Noise_level" title="Noise level">Noise level</a></li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class="ez-toc-link ez-toc-heading-8" href="#Power_consumption" title="Power consumption">Power consumption</a></li></ul></li></ul></nav></div> <p style="text-align: justify;"><span style="font-weight: 400;"><span style="color: #0000ff;"><a style="color: #0000ff;" href="/?product_cat=centrifugal-fans" target="_blank" rel="noopener">Centrifugal fans</a></span> are commonly used in various environments and applications today. Specifically, the structure of the centrifugal rotor is crucial. They directly affect flow, pressure and other factors. You need to choose the right type of centrifugal rotor for your needs. In particular, two types of centrifugal rotors are common: forward-curved blade centrifugal fans and backward-curved blades. Join us below for a detailed exploration. </span></p> <h2 style="text-align: justify;"><span class="ez-toc-section" id="What_is_a_forward_curved_centrifugal_fan"></span><span style="font-size: 18pt; color: #339966;"><b>What is a forward curved centrifugal fan?</b></span><span class="ez-toc-section-end"></span></h2> <figure id="attachment_1786" aria-describedby="caption-attachment-1786" style="width: 491px" class="wp-caption aligncenter"><img fetchpriority="high" decoding="async" class="size-full wp-image-1786" src="https://systemfanglobal.com/wp-content/uploads/2023/12/forward-curved.jpg" alt="Forward curved" width="491" height="479" srcset="https://systemfanglobal.com/wp-content/uploads/2023/12/forward-curved.jpg 491w, https://systemfanglobal.com/wp-content/uploads/2023/12/forward-curved-300x293.jpg 300w" sizes="(max-width: 491px) 100vw, 491px" /><figcaption id="caption-attachment-1786" class="wp-caption-text">Forward curved</figcaption></figure> <p style="text-align: justify;"><span style="font-weight: 400;">The forward-curved centrifugal propeller features a wing design with numerous blades, and the wing section is shallow in the direction of rotation. They can produce medium to high airflow. The flow rate is much higher than the reverse curved wing centrifugal fan. However, it tends to produce a relatively loud noise.</span></p> <p style="text-align: justify;"><span style="font-weight: 400;">Forward curved blade centrifugal fans have common applications for HVAC systems: heating, air conditioning systems, and cooling ventilation. And other systems such as cooling electrical equipment, basement ventilation, and air handling.</span></p> <h2 style="text-align: justify;"><span class="ez-toc-section" id="What_is_a_backward-curved_centrifugal_fan"></span><span style="color: #339966; font-size: 18pt;"><b>What is a backward-curved centrifugal fan? </b></span><span class="ez-toc-section-end"></span></h2> <figure id="attachment_1787" aria-describedby="caption-attachment-1787" style="width: 491px" class="wp-caption aligncenter"><img decoding="async" class="size-full wp-image-1787" src="https://systemfanglobal.com/wp-content/uploads/2023/12/backward-curved.jpg" alt="Backward curved" width="491" height="479" srcset="https://systemfanglobal.com/wp-content/uploads/2023/12/backward-curved.jpg 491w, https://systemfanglobal.com/wp-content/uploads/2023/12/backward-curved-300x293.jpg 300w" sizes="(max-width: 491px) 100vw, 491px" /><figcaption id="caption-attachment-1787" class="wp-caption-text">Backward curved</figcaption></figure> <p style="text-align: justify;"><span style="font-weight: 400;">Backward-curved centrifugal rotors have fewer blades, and the blades are longer compared to forward-curved blade centrifugal fans. Each blade is bent backward from the inner to the outer edge in the direction of the fan’s rotation. </span></p> <p style="text-align: justify;"><span style="font-weight: 400;">With the rear curved wing centrifugal fan design is suitable for the requirements of higher performance, good performance at high-pressure conditions. </span></p> <p style="text-align: justify;"><span style="font-weight: 400;">The backward-curved centrifugal fan is significantly more energy-efficient. Efficient operation in environments can cause corrosion. Generally, backward-curved centrifugal fans exhibit better durability than their forward-curved counterparts. Low noise level, quiet operation, durable. However, the complexity in manufacturing the rear-curved wing design, leading to increased propeller production costs, results in a higher price for backward-curved centrifugal fans compared to forward-curved ones.</span></p> <div class="content-box-yellow" style="background-color: #fef5c4; border: 1px solid #fadf98; margin: 0px 0px 25px; overflow: hidden; padding: 20px;"> <p><span style="color: #ff0000; font-family: sans-serif; font-size: 14pt;"><b><img decoding="async" class="emoji" role="img" draggable="false" src="https://s.w.org/images/core/emoji/14.0.0/svg/1f530.svg" alt="🔰" /> USEFUL INFORMATION</b></span></p> <p style="padding-left: 40px;"><span style="font-family: arial, helvetica, sans-serif; color: #0000ff;"><span style="font-size: 16px;"><img decoding="async" class="emoji" role="img" draggable="false" src="https://s.w.org/images/core/emoji/14.0.0/svg/1f4e3.svg" alt="📣" /> <a style="color: #0000ff;" href="/?p=1768" target="_blank" rel="nofollow noopener noreferrer">The difference between forward curved and backward curved</a></span></span></p> <p style="padding-left: 40px;"><span style="font-family: arial, helvetica, sans-serif; color: #0000ff;"><span style="font-size: 16px;"><img decoding="async" class="emoji" role="img" draggable="false" src="https://s.w.org/images/core/emoji/14.0.0/svg/1f4e3.svg" alt="📣" /> <a style="color: #0000ff;" href="/?p=1756" target="_blank" rel="nofollow noopener noreferrer">What is dynamic balance? Benefits of dynamic balancing</a></span></span></p> </div> <h2 style="text-align: justify;"><span class="ez-toc-section" id="Differences_between_Forward-Curved_and_Backward-Curved_Centrifugal_Fans"></span><span style="color: #339966;"><b>Differences between Forward-Curved and Backward-Curved Centrifugal Fans</b></span><span class="ez-toc-section-end"></span></h2> <h3 style="text-align: justify;"><span class="ez-toc-section" id="Composition"></span><b>Composition</b><span class="ez-toc-section-end"></span></h3> <p style="text-align: justify; padding-left: 40px;"><span style="font-weight: 400;">❖ <strong>Forward-curved centrifugal fan:</strong> Features a large number of blades with a relatively smaller wing area. The blade direction aligns with the rotation direction.</span></p> <p style="text-align: justify; padding-left: 40px;"><span style="font-weight: 400;">❖ <strong>Backward curved centrifugal fan:</strong> Small number of wing blades, large wing cross-section. The rear curved centrifugal fan has a blade direction opposite to the direction of rotation. </span></p> <h3 style="text-align: justify;"><span class="ez-toc-section" id="Function"></span><b>Function</b><span class="ez-toc-section-end"></span></h3> <p style="text-align: justify; padding-left: 40px;"><span style="font-weight: 400;">❖ <strong>Forward curved blade centrifugal fan:</strong> Allows higher airflow rates at lower pressures. Moves large volumes of air, but refrains from handling high static pressure. </span></p> <p style="text-align: justify; padding-left: 40px;"><span style="font-weight: 400;">❖ <strong>Backward curved centrifugal fan:</strong> Allows higher static pressure to be generated at lower airflow speeds. Suitable for applications requiring high pressure. </span></p> <h3 style="text-align: justify;"><span class="ez-toc-section" id="Application"></span><b>Application</b><span class="ez-toc-section-end"></span></h3> <p style="text-align: justify; padding-left: 40px;"><span style="font-weight: 400;">❖ <strong>Forward curved blade centrifugal fan:</strong> Applied for conditions requiring high airflow but low resistance (Civil system, HVAC system, air filtration system)</span></p> <p style="text-align: justify; padding-left: 40px;"><span style="font-weight: 400;">❖ <strong>Backward curved centrifugal fan:</strong> Application for conditions requiring high static pressure. (Air conditioning system, boom system that pushes air through ducts or filters against bumper poles).</span></p> <h3 style="text-align: justify;"><span class="ez-toc-section" id="Noise_level"></span><b>Noise level</b><span class="ez-toc-section-end"></span></h3> <p style="text-align: justify;"><span style="font-weight: 400;">Forward curved centrifugal fans have a greater noise level than backward curved wing centrifugal fans. </span></p> <h3 style="text-align: justify;"><span class="ez-toc-section" id="Power_consumption"></span><b>Power consumption</b><span class="ez-toc-section-end"></span></h3> <p style="text-align: justify;"><span style="font-weight: 400;">The front curved centrifugal fan’s efficiency is lower than the rear curved centrifugal fan. </span><span style="font-weight: 400;">The power consumption of the forward-curved centrifugal fan is greater than that of the backward-curved centrifugal fan.</span></p> <p style="text-align: justify;"><span style="font-weight: 400;">Above, we provide a summary of information about forward-curved centrifugal fans and backward-curved fans. We hope to provide you with the most useful information.</span></p> <p style="text-align: justify;"><strong>For further information, please contact us at:</strong></p> <p style="text-align: justify;"><span style="font-weight: 400;">Website: <span style="color: #0000ff;"><a style="color: #0000ff;" href="https://systemfanglobal.com" target="_blank" rel="noopener">https://systemfanglobal.com</a></span></span></p> </div> </div> <div class="author-box-wrap" itemtype="http://schema.org/Person" itemscope="" itemprop="author"> <div class="author-box-tab"> <div class="author-box-gravatar"> <img src="https://systemfanglobal.com/wp-content/uploads/2022/05/fa76819eca59ed2a.jpg" width="100" height="100" alt="" itemprop="image"> </div> <div class="author-box-authorname"> <a href="#" class="vcard author" rel="author" itemprop="url"> <span class="fn" itemprop="name">System Fan</span> </a> </div> <div class="author-box-desc"> <div itemprop="description"> <p></p> </div> </div> <div class="clearfix"></div> <div class="author-box-socials "> <a target="_self" href="https://www.facebook.com/systemfan.globalgroup" rel="nofollow noopener" class="author-box-icon-grey"> <i class="fab fa-facebook-f"></i> </a> <a target="_self" href="https://wa.me/+84867853866" rel="nofollow noopener" class="author-box-icon-grey"> <i class="fab fa-whatsapp-square"></i> </a> <a target="_self" href="www.linkedin.com/in/jack-nguyễn-5b64101a0" rel="nofollow noopener" class="author-box-icon-grey"> <i class="fab fa-linkedin-in"></i> </a> </div> </div> </div> <div class="form_wrap"> <div class="form-comment"> <div class="wpdiscuz_top_clearing"></div> <div id='comments' class='comments-area'><div id='respond' style='width: 0;height: 0;clear: both;margin: 0;padding: 0;'></div><div id='wpd-post-rating' class='wpd-not-rated'> <div class='wpd-rating-wrap'> <div class='wpd-rating-left'></div> <div class='wpd-rating-data'> <div class='wpd-rating-value'> <span class='wpdrv'>4</span> <span class='wpdrc'>4</span> <span class='wpdrt'>votes</span></div> <div class='wpd-rating-title'>Article Rating</div> <div class='wpd-rating-stars'><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star wpd-active' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star wpd-active' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star wpd-active' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star wpd-active' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg></div><div class='wpd-rate-starts'><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg><svg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M0 0h24v24H0z' fill='none'/><path class='wpd-star' d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/><path d='M0 0h24v24H0z' fill='none'/></svg></div></div> <div class='wpd-rating-right'></div></div></div> <div id="wpdcom" class="wpdiscuz_unauth wpd-default wpd-layout-3 wpd-comments-open"> <div class="wc_social_plugin_wrapper"> </div> <div class="wpd-form-wrap"> <div class="wpd-form-head"> <div class="wpd-sbs-toggle"> <i class="far fa-envelope"></i> <span class="wpd-sbs-title">Subscribe</span> <i class="fas fa-caret-down"></i> </div> <div class="wpd-auth"> <div class="wpd-login"> <a rel="nofollow" href="https://systemfanglobal.com/wp-login.php?redirect_to=https%3A%2F%2Fsystemfanglobal.com%2Fforward-curved-and-backward-curved-centrifugal-fan%2F"><i class='fas fa-sign-in-alt'></i> Login</a> </div> </div> </div> <div class="wpdiscuz-subscribe-bar wpdiscuz-hidden"> <form action="https://systemfanglobal.com/wp-admin/admin-ajax.php?action=wpdAddSubscription" method="post" id="wpdiscuz-subscribe-form"> <div class="wpdiscuz-subscribe-form-intro">Notify of </div> <div class="wpdiscuz-subscribe-form-option" style="width:40%;"> <select class="wpdiscuz_select" name="wpdiscuzSubscriptionType"> <option value="post">new follow-up comments</option> <option value="all_comment" >new replies to my comments</option> </select> </div> <div class="wpdiscuz-item wpdiscuz-subscribe-form-email"> <input class="email" type="email" name="wpdiscuzSubscriptionEmail" required="required" value="" placeholder="Email"/> </div> <div class="wpdiscuz-subscribe-form-button"> <input id="wpdiscuz_subscription_button" class="wpd-prim-button wpd_not_clicked" type="submit" value="›" name="wpdiscuz_subscription_button"/> </div> <input type="hidden" id="wpdiscuz_subscribe_form_nonce" name="wpdiscuz_subscribe_form_nonce" value="4ce186e45c" /><input type="hidden" name="_wp_http_referer" value="/forward-curved-and-backward-curved-centrifugal-fan/" /> </form> </div> <div class="wpd-form wpd-form-wrapper wpd-main-form-wrapper" id='wpd-main-form-wrapper-0_0'> <form method="post" enctype="multipart/form-data" data-uploading="false" class="wpd_comm_form wpd_main_comm_form" > <div class="wpd-field-comment"> <div class="wpdiscuz-item wc-field-textarea"> <div class="wpdiscuz-textarea-wrap "> <div class="wpd-avatar"> <img alt='guest' src='https://secure.gravatar.com/avatar/b0a67212a6aa63ce79e675a2222deba83468c02fa4d925355adb18b56a54dcdb?s=56&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/b0a67212a6aa63ce79e675a2222deba83468c02fa4d925355adb18b56a54dcdb?s=112&d=mm&r=g 2x' class='avatar avatar-56 photo' height='56' width='56' loading='lazy' decoding='async'/> </div> <div id="wpd-editor-wraper-0_0" style="display: none;"> <div id="wpd-editor-char-counter-0_0" class="wpd-editor-char-counter"></div> <label style="display: none;" for="wc-textarea-0_0">Label</label> <textarea id="wc-textarea-0_0" name="wc_comment" class="wc_comment wpd-field"></textarea> <div id="wpd-editor-0_0"></div> <div id="wpd-editor-toolbar-0_0"> <button title="Bold" class="ql-bold" ></button> <button title="Italic" class="ql-italic" ></button> <button title="Underline" class="ql-underline" ></button> <button title="Strike" class="ql-strike" ></button> <button title="Ordered List" class="ql-list" value='ordered' ></button> <button title="Unordered List" class="ql-list" value='bullet' ></button> <button title="Blockquote" class="ql-blockquote" ></button> <button title="Code Block" class="ql-code-block" ></button> <button title="Link" class="ql-link" ></button> <button title="Source Code" class="ql-sourcecode" data-wpde_button_name='sourcecode'>{}</button> <button title="Spoiler" class="ql-spoiler" data-wpde_button_name='spoiler'>[+]</button> <div class="wpd-editor-buttons-right"> <span class='wmu-upload-wrap' wpd-tooltip='Attach an image to this comment' wpd-tooltip-position='left'><label class='wmu-add'><i class='far fa-image'></i><input style='display:none;' class='wmu-add-files' type='file' name='wmu_files' accept='image/*'/></label></span> </div> </div> </div> </div> </div> </div> <div class="wpd-form-foot" style='display:none;'> <div class="wpdiscuz-textarea-foot"> <div class="wpdiscuz-button-actions"><div class='wmu-action-wrap'><div class='wmu-tabs wmu-images-tab wmu-hide'></div></div></div> </div> <div class="wpd-form-row"> <div class="wpd-form-col-left"> <div class="wpdiscuz-item wc_name-wrapper wpd-has-icon"> <div class="wpd-field-icon"><i class="fas fa-user"></i> </div> <input id="wc_name-0_0" value="" required='required' aria-required='true' class="wc_name wpd-field" type="text" name="wc_name" placeholder="Name*" maxlength="50" pattern='.{3,50}' title=""> <label for="wc_name-0_0" class="wpdlb">Name*</label> </div> <div class="wpdiscuz-item wc_email-wrapper wpd-has-icon"> <div class="wpd-field-icon"><i class="fas fa-at"></i> </div> <input id="wc_email-0_0" value="" required='required' aria-required='true' class="wc_email wpd-field" type="email" name="wc_email" placeholder="Email*"/> <label for="wc_email-0_0" class="wpdlb">Email*</label> </div> <div class="wpdiscuz-item wc_website-wrapper wpd-has-icon"> <div class="wpd-field-icon"><i class="fas fa-link"></i> </div> <input id="wc_website-0_0" value="" class="wc_website wpd-field" type="text" name="wc_website" placeholder="Website"/> <label for="wc_website-0_0" class="wpdlb">Website</label> </div> </div> <div class="wpd-form-col-right"> <div class="wc-field-submit"> <label class="wpd_label" wpd-tooltip="Notify of new replies to this comment"> <input id="wc_notification_new_comment-0_0" class="wc_notification_new_comment-0_0 wpd_label__checkbox" value="comment" type="checkbox" name="wpdiscuz_notification_type" /> <span class="wpd_label__text"> <span class="wpd_label__check"> <i class="fas fa-bell wpdicon wpdicon-on"></i> <i class="fas fa-bell-slash wpdicon wpdicon-off"></i> </span> </span> </label> <input id="wpd-field-submit-0_0" class="wc_comm_submit wpd_not_clicked wpd-prim-button" type="submit" name="submit" value="Post Comment" aria-label="Post Comment"/> </div> </div> <div class="clearfix"></div> </div> </div> <input type="hidden" class="wpdiscuz_unique_id" value="0_0" name="wpdiscuz_unique_id"> </form> </div> <div id="wpdiscuz_hidden_secondary_form" style="display: none;"> <div class="wpd-form wpd-form-wrapper wpd-secondary-form-wrapper" id='wpd-secondary-form-wrapper-wpdiscuzuniqueid' style='display: none;'> <div class="wpd-secondary-forms-social-content"></div> <div class="clearfix"></div> <form method="post" enctype="multipart/form-data" data-uploading="false" class="wpd_comm_form wpd-secondary-form-wrapper" > <div class="wpd-field-comment"> <div class="wpdiscuz-item wc-field-textarea"> <div class="wpdiscuz-textarea-wrap "> <div class="wpd-avatar"> <img alt='guest' src='https://secure.gravatar.com/avatar/ad6e0f972300830e9fdc4d80ef0b42293fe37fbed8fba6e79b600004b943e91b?s=56&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/ad6e0f972300830e9fdc4d80ef0b42293fe37fbed8fba6e79b600004b943e91b?s=112&d=mm&r=g 2x' class='avatar avatar-56 photo' height='56' width='56' loading='lazy' decoding='async'/> </div> <div id="wpd-editor-wraper-wpdiscuzuniqueid" style="display: none;"> <div id="wpd-editor-char-counter-wpdiscuzuniqueid" class="wpd-editor-char-counter"></div> <label style="display: none;" for="wc-textarea-wpdiscuzuniqueid">Label</label> <textarea id="wc-textarea-wpdiscuzuniqueid" name="wc_comment" class="wc_comment wpd-field"></textarea> <div id="wpd-editor-wpdiscuzuniqueid"></div> <div id="wpd-editor-toolbar-wpdiscuzuniqueid"> <button title="Bold" class="ql-bold" ></button> <button title="Italic" class="ql-italic" ></button> <button title="Underline" class="ql-underline" ></button> <button title="Strike" class="ql-strike" ></button> <button title="Ordered List" class="ql-list" value='ordered' ></button> <button title="Unordered List" class="ql-list" value='bullet' ></button> <button title="Blockquote" class="ql-blockquote" ></button> <button title="Code Block" class="ql-code-block" ></button> <button title="Link" class="ql-link" ></button> <button title="Source Code" class="ql-sourcecode" data-wpde_button_name='sourcecode'>{}</button> <button title="Spoiler" class="ql-spoiler" data-wpde_button_name='spoiler'>[+]</button> <div class="wpd-editor-buttons-right"> <span class='wmu-upload-wrap' wpd-tooltip='Attach an image to this comment' wpd-tooltip-position='left'><label class='wmu-add'><i class='far fa-image'></i><input style='display:none;' class='wmu-add-files' type='file' name='wmu_files' accept='image/*'/></label></span> </div> </div> </div> </div> </div> </div> <div class="wpd-form-foot" style='display:none;'> <div class="wpdiscuz-textarea-foot"> <div class="wpdiscuz-button-actions"><div class='wmu-action-wrap'><div class='wmu-tabs wmu-images-tab wmu-hide'></div></div></div> </div> <div class="wpd-form-row"> <div class="wpd-form-col-left"> <div class="wpdiscuz-item wc_name-wrapper wpd-has-icon"> <div class="wpd-field-icon"><i class="fas fa-user"></i> </div> <input id="wc_name-wpdiscuzuniqueid" value="" required='required' aria-required='true' class="wc_name wpd-field" type="text" name="wc_name" placeholder="Name*" maxlength="50" pattern='.{3,50}' title=""> <label for="wc_name-wpdiscuzuniqueid" class="wpdlb">Name*</label> </div> <div class="wpdiscuz-item wc_email-wrapper wpd-has-icon"> <div class="wpd-field-icon"><i class="fas fa-at"></i> </div> <input id="wc_email-wpdiscuzuniqueid" value="" required='required' aria-required='true' class="wc_email wpd-field" type="email" name="wc_email" placeholder="Email*"/> <label for="wc_email-wpdiscuzuniqueid" class="wpdlb">Email*</label> </div> <div class="wpdiscuz-item wc_website-wrapper wpd-has-icon"> <div class="wpd-field-icon"><i class="fas fa-link"></i> </div> <input id="wc_website-wpdiscuzuniqueid" value="" class="wc_website wpd-field" type="text" name="wc_website" placeholder="Website"/> <label for="wc_website-wpdiscuzuniqueid" class="wpdlb">Website</label> </div> </div> <div class="wpd-form-col-right"> <div class="wc-field-submit"> <label class="wpd_label" wpd-tooltip="Notify of new replies to this comment"> <input id="wc_notification_new_comment-wpdiscuzuniqueid" class="wc_notification_new_comment-wpdiscuzuniqueid wpd_label__checkbox" value="comment" type="checkbox" name="wpdiscuz_notification_type" /> <span class="wpd_label__text"> <span class="wpd_label__check"> <i class="fas fa-bell wpdicon wpdicon-on"></i> <i class="fas fa-bell-slash wpdicon wpdicon-off"></i> </span> </span> </label> <input id="wpd-field-submit-wpdiscuzuniqueid" class="wc_comm_submit wpd_not_clicked wpd-prim-button" type="submit" name="submit" value="Post Comment" aria-label="Post Comment"/> </div> </div> <div class="clearfix"></div> </div> </div> <input type="hidden" class="wpdiscuz_unique_id" value="wpdiscuzuniqueid" name="wpdiscuz_unique_id"> </form> </div> </div> </div> <div id="wpd-threads" class="wpd-thread-wrapper"> <div class="wpd-thread-head"> <div class="wpd-thread-info " data-comments-count="0"> <span class='wpdtc' title='0'>0</span> Comments </div> <div class="wpd-space"></div> <div class="wpd-thread-filter"> <div class="wpd-filter wpdf-reacted wpd_not_clicked wpdiscuz-hidden" wpd-tooltip="Most reacted comment"> <i class="fas fa-bolt"></i></div> <div class="wpd-filter wpdf-hottest wpd_not_clicked wpdiscuz-hidden" wpd-tooltip="Hottest comment thread"> <i class="fas fa-fire"></i></div> <div class="wpd-filter wpdf-sorting wpdiscuz-hidden"> <span class="wpdiscuz-sort-button wpdiscuz-date-sort-asc wpdiscuz-sort-button-active" data-sorting="oldest">Oldest</span> <i class="fas fa-sort-down"></i> <div class="wpdiscuz-sort-buttons"> <span class="wpdiscuz-sort-button wpdiscuz-date-sort-desc" data-sorting="newest">Newest</span> <span class="wpdiscuz-sort-button wpdiscuz-vote-sort-up" data-sorting="by_vote">Most Voted</span> </div> </div> </div> </div> <div class="wpd-comment-info-bar"> <div class="wpd-current-view"><i class="fas fa-quote-left"></i> Inline Feedbacks </div> <div class="wpd-filter-view-all">View all comments</div> </div> <div class="wpd-thread-list"> <!-- // From wpDiscuz's Caches // --> <div class="wpdiscuz-comment-pagination"> </div> </div> </div> </div> </div> <div id="wpdiscuz-loading-bar" class="wpdiscuz-loading-bar-unauth"></div> <div id="wpdiscuz-comment-message" class="wpdiscuz-comment-message-unauth"></div> </div> </div> </div> </div> </div> </section> <section class="section-contact"> <div class="container"> <div class="box-contact"> <div class="sic-address"> <h2 class="title"> CONTACT US </h2> <div class="box-address"> <div class="item-add1"> <p class="lienhe">Northern Vietnam: NV11, Me Tri Ha, Nam Tu Liem, Ha Noi</p> <p class="store-phone"> <div class="icon-contact"> <i class="fas fa-phone-alt"></i> Phone: +84867853866 <!-- <a href="tel:0888.318.886">0888.318.886</a> <a href="tel:098.151.2866"> - 098.151.2866 </a> --> </div> </p> <p class="linehe"> <div class="icon-contact"> <i class="fas fa-envelope"></i> Email: export1@systemfan.vn <!-- <a href="mailto:hoangduc@systemfan.vn">hoangduc@systemfan.vn</a> --> </div> </p> </div> <div class="item-add1"> <p class="lienhe">Factory: Long Xuyen Industrial Park - Kinh Mon - Hai Duong</p> <p class="store-phone"> <div class="icon-contact"> <i class="fas fa-phone-alt"></i> Phone: +84867853866 <!-- <a href="tel:0888.318.886">0888.318.886</a> <a href="tel:098.151.2866"> - 098.151.2866 </a> --> </div> </p> <p class="linehe"> <div class="icon-contact"> <i class="fas fa-envelope"></i> Email: export1@systemfan.vn <!-- <a href="mailto:hoangduc@systemfan.vn">hoangduc@systemfan.vn</a> --> </div> </p> </div> <div class="item-add1"> <p class="lienhe">Czech Republic: Majerskeho 2037/19 , 149 00 Praha 11, Czech Republic</p> <p class="store-phone"> <div class="icon-contact"> <i class="fas fa-phone-alt"></i> Phone: +84867853866 <!-- <a href="tel:0888.318.886">0888.318.886</a> <a href="tel:098.151.2866"> - 098.151.2866 </a> --> </div> </p> <p class="linehe"> <div class="icon-contact"> <i class="fas fa-envelope"></i> Email: export1@systemfan.vn <!-- <a href="mailto:hoangduc@systemfan.vn">hoangduc@systemfan.vn</a> --> </div> </p> </div> <div class="item-add1"> <p class="lienhe">Gürselpasa Mh. Aliya İzzet Begoviç Cd. Üçgül İş Merkezi B Blok No:25 Seyhan/Adana</p> <p class="store-phone"> <div class="icon-contact"> <i class="fas fa-phone-alt"></i> Phone: +84867853866 <!-- <a href="tel:0888.318.886">0888.318.886</a> <a href="tel:098.151.2866"> - 098.151.2866 </a> --> </div> </p> <p class="linehe"> <div class="icon-contact"> <i class="fas fa-envelope"></i> Email: export1@systemfan.vn <!-- <a href="mailto:hoangduc@systemfan.vn">hoangduc@systemfan.vn</a> --> </div> </p> </div> <div class="item-add1"> <p class="lienhe">Ostim OSB Mh. 100. Yıl Blv. No:55 Ostim Prestij İş Merkezi C Blok -No: 44 06374 Yenimahalle - Ankara / Türkiye</p> <p class="store-phone"> <div class="icon-contact"> <i class="fas fa-phone-alt"></i> Phone: +84867853866 <!-- <a href="tel:0888.318.886">0888.318.886</a> <a href="tel:098.151.2866"> - 098.151.2866 </a> --> </div> </p> <p class="linehe"> <div class="icon-contact"> <i class="fas fa-envelope"></i> Email: export1@systemfan.vn <!-- <a href="mailto:hoangduc@systemfan.vn">hoangduc@systemfan.vn</a> --> </div> </p> </div> <div class="item-add1"> <p class="lienhe">Office No. 214, Le Solarium, Nadd Hessa / Silicon Oasis, Dubai, United Arab Emirates.</p> <p class="store-phone"> <div class="icon-contact"> <i class="fas fa-phone-alt"></i> Phone: +84867853866 <!-- <a href="tel:0888.318.886">0888.318.886</a> <a href="tel:098.151.2866"> - 098.151.2866 </a> --> </div> </p> <p class="linehe"> <div class="icon-contact"> <i class="fas fa-envelope"></i> Email: export1@systemfan.vn <!-- <a href="mailto:hoangduc@systemfan.vn">hoangduc@systemfan.vn</a> --> </div> </p> </div> </div> </div> <div class="form-contact"> <span class="txt_lh">SEND CONTACT US</span> <div class="wpcf7 no-js" id="wpcf7-f257-p1783-o1" lang="en-US" dir="ltr" data-wpcf7-id="257"> <div class="screen-reader-response"><p role="status" aria-live="polite" aria-atomic="true"></p> <ul></ul></div> <form action="/forward-curved-and-backward-curved-centrifugal-fan/#wpcf7-f257-p1783-o1" method="post" class="wpcf7-form init demo" aria-label="Contact form" novalidate="novalidate" data-status="init"> <fieldset class="hidden-fields-container"><input type="hidden" name="_wpcf7" value="257" /><input type="hidden" name="_wpcf7_version" value="6.1.5" /><input type="hidden" name="_wpcf7_locale" value="en_US" /><input type="hidden" name="_wpcf7_unit_tag" value="wpcf7-f257-p1783-o1" /><input type="hidden" name="_wpcf7_container_post" value="1783" /><input type="hidden" name="_wpcf7_posted_data_hash" value="" /> </fieldset> <div class="row"> <div class="col-md-6"> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-name"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required form-control" id="inputName4" aria-required="true" aria-invalid="false" placeholder="Name*" value="" type="text" name="your-name" /></span> </p> <div class="icon-fr"> <p><i class="fas fa-user"></i> </p> </div> </div> </div> <div class="col-md-6"> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-phone"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel form-control" id="inputPhone4" aria-required="true" aria-invalid="false" placeholder="Phone*" value="" type="tel" name="your-phone" /></span> </p> <div class="icon-fr"> <p><i class="fas fa-phone-alt"></i> </p> </div> </div> </div> </div> <div class="row"> <div class="col-md-6"> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-email"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email form-control" id="inputEmail4" aria-required="true" aria-invalid="false" placeholder="Email*" value="" type="email" name="your-email" /></span> </p> <div class="icon-fr"> <p><i class="far fa-envelope"></i> </p> </div> </div> </div> <div class="col-md-6"> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="menu-227"><select class="wpcf7-form-control wpcf7-select" aria-invalid="false" name="menu-227"><option value="Select the country">Select the country</option><option value="Afghanistan">Afghanistan</option><option value="Algeria">Algeria</option><option value="Angola">Angola</option><option value="Argentina">Argentina</option><option value="Austria">Austria</option><option value="Australia">Australia</option><option value="Bangladesh">Bangladesh</option><option value="Belarus">Belarus</option><option value="Belgium">Belgium</option><option value="Bolivia">Bolivia</option><option value="Bosnia and Herzegovina">Bosnia and Herzegovina</option><option value="Brazil">Brazil</option><option value="Britain">Britain</option><option value="Bulgaria">Bulgaria</option><option value="Cambodia">Cambodia</option><option value="Cameroon">Cameroon</option><option value="Canada">Canada</option><option value="Central African Republic">Central African Republic</option><option value="Chad">Chad</option><option value="China">China</option><option value="Colombia">Colombia</option><option value="Costa Rica">Costa Rica</option><option value="Croatia">Croatia</option><option value="the Czech Republic">the Czech Republic</option><option value="Democratic Republic of the Congo">Democratic Republic of the Congo</option><option value="Denmark">Denmark</option><option value="Ecuador">Ecuador</option><option value="Egypt">Egypt</option><option value="El Salvador">El Salvador</option><option value="England">England</option><option value="Estonia">Estonia</option><option value="Ethiopia">Ethiopia</option><option value="Finland">Finland</option><option value="France">France</option><option value="Germany">Germany</option><option value="Ghana">Ghana</option><option value="Greece">Greece</option><option value="Guatemala">Guatemala</option><option value="Holland">Holland</option><option value="Honduras">Honduras</option><option value="Hungary">Hungary</option><option value="Iceland">Iceland</option><option value="India">India</option><option value="Indonesia">Indonesia</option><option value="Iran">Iran</option><option value="Iraq">Iraq</option><option value="Ireland">Ireland</option><option value="Israel">Israel</option><option value="Italy">Italy</option><option value="Ivory Coast">Ivory Coast</option><option value="Jamaica">Jamaica</option><option value="Japan">Japan</option><option value="Jordan">Jordan</option><option value="Kazakhstan">Kazakhstan</option><option value="Kenya">Kenya</option><option value="Laos">Laos</option><option value="Latvia">Latvia</option><option value="Libya">Libya</option><option value="Lithuania">Lithuania</option><option value="Madagascar">Madagascar</option><option value="Malaysia">Malaysia</option><option value="Mali">Mali</option><option value="Mauritania">Mauritania</option><option value="Mexico">Mexico</option><option value="Morocco">Morocco</option><option value="Namibia">Namibia</option><option value="New Zealand">New Zealand</option><option value="Nicaragua">Nicaragua</option><option value="Niger">Niger</option><option value="Nigeria">Nigeria</option><option value="Norway">Norway</option><option value="Oman">Oman</option><option value="Pakistan">Pakistan</option><option value="Panama">Panama</option><option value="Paraguay">Paraguay</option><option value="Peru">Peru</option><option value="The Philippines">The Philippines</option><option value="Poland">Poland</option><option value="Portugal">Portugal</option><option value="Republic of the Congo">Republic of the Congo</option><option value="Romania">Romania</option><option value="Russia">Russia</option><option value="Saudi Arabia">Saudi Arabia</option><option value="Scotland">Scotland</option><option value="Senegal">Senegal</option><option value="Serbia">Serbia</option><option value="Singapore">Singapore</option><option value="Slovakia">Slovakia</option><option value="Somalia">Somalia</option><option value="South Africa">South Africa</option><option value="Spain">Spain</option><option value="Sudan">Sudan</option><option value="Sweden">Sweden</option><option value="Switzerland">Switzerland</option><option value="Syria">Syria</option><option value="Thailand">Thailand</option><option value="Tunisia">Tunisia</option><option value="Turkey">Turkey</option><option value="Turkmenistan">Turkmenistan</option><option value="Ukraine">Ukraine</option><option value="The United Arab Emirates">The United Arab Emirates</option><option value="The United States">The United States</option><option value="Uruguay">Uruguay</option><option value="Vietnam">Vietnam</option><option value="Wales">Wales</option><option value="Zambia">Zambia</option><option value="Zimbabwe">Zimbabwe</option></select></span> </p> </div> </div> </div> <div class="row"> <div class="col-md-12"> <p><span class="wpcf7-form-control-wrap" data-name="your-content"><textarea cols="40" rows="6" maxlength="2000" class="wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required form-control" id="exampleFormControlTextarea1" aria-required="true" aria-invalid="false" placeholder="Content *" name="your-content"></textarea></span> </p> </div> </div> <p><input class="wpcf7-form-control wpcf7-submit has-spinner btn" type="submit" value="Send" /> </p><div class="wpcf7-response-output" aria-hidden="true"></div> </form> </div> </div> </div> </div> </section> <div class="footer"> <div class="container"> <div class="row"> <div class="col-lg-3 col-md-3"> <div class="logo-ft"> <a href="https://systemfanglobal.com"> <img src="https://systemfanglobal.com/wp-content/uploads/2022/06/logo.png" alt=""> </a> </div> <!-- <div class="name-ct"> SYSTEM FANS GLOBAL </div> --> <!-- <div class="des-ct"> Chuyên sản xuất và cung cấp quạt công nghiệp, hệ thống hút lọc bụi và thiết bị xử lý môi trường chất lượng với giá ưu đãi tại Việt Nam. </div> --> <div class="box"> <div class="paytment"> <span class="title"> Payment support </span> <div class="img-paytment"> <img src="https://systemfanglobal.com/wp-content/themes/thcmedia-company/assets/images/Paypal.1.png"> </div> </div> </div> </div> <div class="col-lg-3 col-md-3"> <span class="tit-ft"> PRODUCT </span> <ul> <div class="menu-column-2-container"><ul id="column-3-id" class="column-2-footer"><li id="menu-item-2250" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2250"><a href="https://systemfanglobal.com/centrifugal-fans/">Centrifugal fans</a></li> <li id="menu-item-2251" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2251"><a href="https://systemfanglobal.com/axial-fans/">Axial fan</a></li> <li id="menu-item-2252" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2252"><a href="https://systemfanglobal.com/dust-collection/">Dust Collection</a></li> <li id="menu-item-2253" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2253"><a href="https://systemfanglobal.com/duct-fan/">Duct fans</a></li> </ul></div> </ul> </div> <div class="col-lg-3 col-md-3"> <span class="tit-ft"> SYSTEM </span> <ul> <div class="menu-column-3-container"><ul id="column-3-id" class="column-3-footer"><li id="menu-item-790" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-790"><a rel="nofollow" href="https://systemfanglobal.com/cyclone-dust-collection-system/">Cyclone dust collectors system</a></li> <li id="menu-item-791" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-791"><a rel="nofollow" href="https://systemfanglobal.com/paint-dust-extraction-system/">Paint dust extraction system</a></li> <li id="menu-item-792" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-792"><a rel="nofollow" href="https://systemfanglobal.com/paper-dust-extraction-system/">Paper dust extraction system</a></li> <li id="menu-item-1450" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-1450"><a href="https://systemfanglobal.com/wood-dust-collector-system/">Wood dust collector system</a></li> </ul></div> </ul> </div> <div class="col-lg-3 col-md-3"> <span class="tit-ft"> ABOUT </span> <ul> <div class="menu-column-4-container"><ul id="column-4-id" class="column-4-footer"><li id="menu-item-793" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-793"><a rel="nofollow" href="https://systemfanglobal.com/commitments/">Commitments</a></li> <li id="menu-item-794" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-794"><a rel="nofollow" href="https://systemfanglobal.com/about-us/">Introduce</a></li> <li id="menu-item-795" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-795"><a rel="nofollow" href="https://systemfanglobal.com/privacy-policy/">Privacy Policy</a></li> </ul></div> <div class="list-social"> <a rel="nofollow" href="https://www.facebook.com/systemfan.globalgroup" target="_blank" > <i class="fab fa-facebook-f"></i> </a> <a rel="nofollow" href="https://wa.me/+84867853866" target="_blank" > <i class="fab fa-whatsapp-square" style="font-size:30px; color: #17ff17;"></i> </a> <a rel="nofollow" href="http://www.linkedin.com/in/jack-nguyễn-5b64101a0" target="_blank" > <i class="fab fa-linkedin" style="font-size:30px;color: #00c4ff;"></i> </a> </div> </ul> </div> </div> </div> </div> <!-- <a rel="nofollow" href="#" class="scrollToTop"> <i class="fas fa-chevron-up"></i> </a> --> <script type="speculationrules"> {"prefetch":[{"source":"document","where":{"and":[{"href_matches":"/*"},{"not":{"href_matches":["/wp-*.php","/wp-admin/*","/wp-content/uploads/*","/wp-content/*","/wp-content/plugins/*","/wp-content/themes/thcmedia-company/*","/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]} </script> <script type="application/ld+json">{"@context":"https://schema.org/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"name":"Home","@id":"https://systemfanglobal.com"}},{"@type":"ListItem","position":2,"item":{"name":"News","@id":"https://systemfanglobal.com/news-en/"}},{"@type":"ListItem","position":3,"item":{"name":"Forward curved and backward curved centrifugal fan","@id":"https://systemfanglobal.com/forward-curved-and-backward-curved-centrifugal-fan/"}}]}</script><span id='wpdUserContentInfoAnchor' style='display:none;' rel='#wpdUserContentInfo' data-wpd-lity>wpDiscuz</span><div id='wpdUserContentInfo' style='overflow:auto;background:#FDFDF6;padding:20px;width:600px;max-width:100%;border-radius:6px;' class='lity-hide'></div><div id='wpd-bubble-wrapper'><span id='wpd-bubble-all-comments-count' style='display:none;' title='0'>0</span><div id='wpd-bubble-count'><svg xmlns='https://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><path class='wpd-bubble-count-first' d='M20 2H4c-1.1 0-1.99.9-1.99 2L2 22l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zm-2 12H6v-2h12v2zm0-3H6V9h12v2zm0-3H6V6h12v2z'/><path class='wpd-bubble-count-second' d='M0 0h24v24H0z' /></svg><span class='wpd-new-comments-count'>0</span></div><div id='wpd-bubble'><svg xmlns='https://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><path class='wpd-bubble-plus-first' d='M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z'/><path class='wpd-bubble-plus-second' d='M0 0h24v24H0z' /></svg><div id='wpd-bubble-add-message'>Would love your thoughts, please comment.<span id='wpd-bubble-add-message-close'><a href='#'>x</a></span></div></div><div id='wpd-bubble-notification'><svg xmlns='https://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><path class='wpd-bubble-notification-first' d='M20 2H4c-1.1 0-1.99.9-1.99 2L2 22l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zm-2 12H6v-2h12v2zm0-3H6V9h12v2zm0-3H6V6h12v2z'/><path class='wpd-bubble-notification-second' d='M0 0h24v24H0z' /></svg><div id='wpd-bubble-notification-message'><div id='wpd-bubble-author'><div><span id='wpd-bubble-author-avatar'></span><span id='wpd-bubble-author-name'></span><span id='wpd-bubble-comment-date'>(<span class='wpd-bubble-spans'></span>)</span></div><span id='wpd-bubble-comment-close'><a href='#'>x</a></span></div><div id='wpd-bubble-comment'><span id='wpd-bubble-comment-text'></span><span id='wpd-bubble-comment-reply-link'>| <a href='#'>Reply</a></span></div></div></div></div><div id='wpd-editor-source-code-wrapper-bg'></div><div id='wpd-editor-source-code-wrapper'><textarea id='wpd-editor-source-code'></textarea><button id='wpd-insert-source-code'>Insert</button><input type='hidden' id='wpd-editor-uid' /></div> <script> (function () { var c = document.body.className; c = c.replace(/woocommerce-no-js/, 'woocommerce-js'); document.body.className = c; })(); </script> <script src="https://systemfanglobal.com/wp-content/plugins/THCmedia-tools/assets/js/read-more.js?ver=1.0.0" id="read-more-script-js"></script> <script src="https://systemfanglobal.com/wp-includes/js/dist/hooks.min.js?ver=dd5603f07f9220ed27f1" id="wp-hooks-js"></script> <script src="https://systemfanglobal.com/wp-includes/js/dist/i18n.min.js?ver=c26c3dc7bed366793375" id="wp-i18n-js"></script> <script id="wp-i18n-js-after"> wp.i18n.setLocaleData( { 'text direction\u0004ltr': [ 'ltr' ] } ); //# sourceURL=wp-i18n-js-after </script> <script src="https://systemfanglobal.com/wp-content/plugins/contact-form-7/includes/swv/js/index.js?ver=6.1.5" id="swv-js"></script> <script id="contact-form-7-js-translations"> ( function( domain, translations ) { var localeData = translations.locale_data[ domain ] || translations.locale_data.messages; localeData[""].domain = domain; wp.i18n.setLocaleData( localeData, domain ); } )( "contact-form-7", {"translation-revision-date":"2024-05-21 11:58:24+0000","generator":"GlotPress\/4.0.1","domain":"messages","locale_data":{"messages":{"":{"domain":"messages","plural-forms":"nplurals=2; plural=n != 1;","lang":"en_GB"},"Error:":["Error:"]}},"comment":{"reference":"includes\/js\/index.js"}} ); //# sourceURL=contact-form-7-js-translations </script> <script id="contact-form-7-js-before"> var wpcf7 = { "api": { "root": "https:\/\/systemfanglobal.com\/wp-json\/", "namespace": "contact-form-7\/v1" }, "cached": 1 }; //# sourceURL=contact-form-7-js-before </script> <script src="https://systemfanglobal.com/wp-content/plugins/contact-form-7/includes/js/index.js?ver=6.1.5" id="contact-form-7-js"></script> <script src="https://systemfanglobal.com/wp-content/plugins/responsive-accordion-and-collapse/js/accordion-custom.js?ver=6.9.1" id="call_ac-custom-js-front-js"></script> <script src="https://systemfanglobal.com/wp-content/plugins/responsive-accordion-and-collapse/js/accordion.js?ver=6.9.1" id="call_ac-js-front-js"></script> <script id="pll_cookie_script-js-after"> (function() { var expirationDate = new Date(); expirationDate.setTime( expirationDate.getTime() + 31536000 * 1000 ); document.cookie = "pll_language=en; expires=" + expirationDate.toUTCString() + "; path=/; secure; SameSite=Lax"; }()); //# sourceURL=pll_cookie_script-js-after </script> <script src="https://systemfanglobal.com/wp-content/plugins/easy-table-of-contents/vendor/js-cookie/js.cookie.min.js?ver=2.2.1" id="ez-toc-js-cookie-js"></script> <script src="https://systemfanglobal.com/wp-content/plugins/easy-table-of-contents/vendor/sticky-kit/jquery.sticky-kit.min.js?ver=1.9.2" id="ez-toc-jquery-sticky-kit-js"></script> <script id="ez-toc-js-js-extra"> var ezTOC = {"smooth_scroll":"1","visibility_hide_by_default":"","scroll_offset":"30","fallbackIcon":"\u003Cspan class=\"\"\u003E\u003Cspan style=\"display:none;\"\u003EToggle\u003C/span\u003E\u003Cspan class=\"ez-toc-icon-toggle-span\"\u003E\u003Csvg style=\"fill: #999;color:#999\" xmlns=\"http://www.w3.org/2000/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"\u003E\u003Cpath d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"\u003E\u003C/path\u003E\u003C/svg\u003E\u003Csvg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http://www.w3.org/2000/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"\u003E\u003Cpath d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"/\u003E\u003C/svg\u003E\u003C/span\u003E\u003C/span\u003E"}; //# sourceURL=ez-toc-js-js-extra </script> <script src="https://systemfanglobal.com/wp-content/plugins/easy-table-of-contents/assets/js/front.min.js?ver=2.0.55-1695780809" id="ez-toc-js-js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js" id="thcmediatheme-jquery-js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.8.1/slick.min.js" id="thcmediatheme-slick-js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/js/bootstrap.min.js" id="bootstrap-js"></script> <script src="https://cdn.jsdelivr.net/npm/vanilla-lazyload@17.3.0/dist/lazyload.min.js" id="vanilla-js"></script> <script src="https://systemfanglobal.com/wp-content/themes/thcmedia-company/assets/js/sticky-menu.js?ver=1.0.0" id="sticky-menu-js"></script> <script src="https://systemfanglobal.com/wp-content/themes/thcmedia-company/assets/js/main.js?ver=1.0.0" id="main-js"></script> <script src="https://systemfanglobal.com/wp-content/themes/thcmedia-company/assets/js/mobile-menu.js?ver=1.0.0" id="menu-mobile-js"></script> <script src="https://systemfanglobal.com/wp-content/themes/thcmedia-company/assets/js/slick/slick.js?ver=1.0.0" id="thcmedia-slick-js"></script> <script src="https://systemfanglobal.com/wp-includes/js/comment-reply.min.js?ver=6.9.1" id="comment-reply-js" async data-wp-strategy="async" fetchpriority="low"></script> <script src="https://systemfanglobal.com/wp-content/plugins/woocommerce/assets/js/sourcebuster/sourcebuster.min.js?ver=10.5.3" id="sourcebuster-js-js"></script> <script id="wc-order-attribution-js-extra"> var wc_order_attribution = {"params":{"lifetime":1.0e-5,"session":30,"base64":false,"ajaxurl":"https://systemfanglobal.com/wp-admin/admin-ajax.php","prefix":"wc_order_attribution_","allowTracking":true},"fields":{"source_type":"current.typ","referrer":"current_add.rf","utm_campaign":"current.cmp","utm_source":"current.src","utm_medium":"current.mdm","utm_content":"current.cnt","utm_id":"current.id","utm_term":"current.trm","utm_source_platform":"current.plt","utm_creative_format":"current.fmt","utm_marketing_tactic":"current.tct","session_entry":"current_add.ep","session_start_time":"current_add.fd","session_pages":"session.pgs","session_count":"udata.vst","user_agent":"udata.uag"}}; //# sourceURL=wc-order-attribution-js-extra </script> <script src="https://systemfanglobal.com/wp-content/plugins/woocommerce/assets/js/frontend/order-attribution.min.js?ver=10.5.3" id="wc-order-attribution-js"></script> <script id="wpdiscuz-combo-js-js-extra"> var wpdiscuzAjaxObj = {"wc_hide_replies_text":"Hide Replies","wc_show_replies_text":"View Replies","wc_msg_required_fields":"Please fill out required fields","wc_invalid_field":"Some of field value is invalid","wc_error_empty_text":"please fill out this field to comment","wc_error_url_text":"url is invalid","wc_error_email_text":"email address is invalid","wc_invalid_captcha":"Invalid Captcha Code","wc_login_to_vote":"You Must Be Logged In To Vote","wc_deny_voting_from_same_ip":"You are not allowed to vote for this comment","wc_self_vote":"You cannot vote for your comment","wc_vote_only_one_time":"You've already voted for this comment","wc_voting_error":"Voting Error","wc_banned_user":"You are banned","wc_rate_limit_exceeded":"Too many requests. Please slow down.","wc_comment_edit_not_possible":"Sorry, this comment is no longer possible to edit","wc_comment_not_updated":"Sorry, the comment was not updated","wc_comment_not_edited":"You've not made any changes","wc_msg_input_min_length":"Input is too short","wc_msg_input_max_length":"Input is too long","wc_spoiler_title":"Spoiler Title","wc_cannot_rate_again":"You cannot rate again","wc_not_allowed_to_rate":"You're not allowed to rate here","wc_confirm_rate_edit":"Are you sure you want to edit your rate?","wc_follow_user":"Follow this user","wc_unfollow_user":"Unfollow this user","wc_follow_success":"You started following this comment author","wc_follow_canceled":"You stopped following this comment author.","wc_follow_email_confirm":"Please check your email and confirm the user following request.","wc_follow_email_confirm_fail":"Sorry, we couldn't send confirmation email.","wc_follow_login_to_follow":"Please login to follow users.","wc_follow_impossible":"We are sorry, but you can't follow this user.","wc_follow_not_added":"Following failed. Please try again later.","is_user_logged_in":"","commentListLoadType":"0","commentListUpdateType":"0","commentListUpdateTimer":"60","liveUpdateGuests":"0","wordpressThreadCommentsDepth":"5","wordpressIsPaginate":"0","commentTextMaxLength":"0","replyTextMaxLength":"0","commentTextMinLength":"1","replyTextMinLength":"1","storeCommenterData":"100000","socialLoginAgreementCheckbox":"1","enableFbLogin":"0","fbUseOAuth2":"0","enableFbShare":"0","facebookAppID":"","facebookUseOAuth2":"0","enableGoogleLogin":"0","googleClientID":"","googleClientSecret":"","cookiehash":"c84257766c634c66b3b7a7a7903e7911","isLoadOnlyParentComments":"0","scrollToComment":"1","commentFormView":"collapsed","enableDropAnimation":"1","isNativeAjaxEnabled":"1","userInteractionCheck":"1","enableBubble":"1","bubbleLiveUpdate":"0","bubbleHintTimeout":"45","bubbleHintHideTimeout":"10","cookieHideBubbleHint":"wpdiscuz_hide_bubble_hint","bubbleHintShowOnce":"1","bubbleHintCookieExpires":"7","bubbleShowNewCommentMessage":"1","bubbleLocation":"content_left","firstLoadWithAjax":"0","wc_copied_to_clipboard":"Copied to clipboard!","inlineFeedbackAttractionType":"blink","loadRichEditor":"1","wpDiscuzReCaptchaSK":"","wpDiscuzReCaptchaTheme":"light","wpDiscuzReCaptchaVersion":"2.0","wc_captcha_show_for_guest":"0","wc_captcha_show_for_members":"0","wpDiscuzIsShowOnSubscribeForm":"0","wmuEnabled":"1","wmuInput":"wmu_files","wmuMaxFileCount":"1","wmuMaxFileSize":"2097152","wmuPostMaxSize":"1073741824","wmuIsLightbox":"1","wmuMimeTypes":{"jpg":"image/jpeg","jpeg":"image/jpeg","jpe":"image/jpeg","gif":"image/gif","png":"image/png","bmp":"image/bmp","tiff":"image/tiff","tif":"image/tiff","ico":"image/x-icon"},"wmuPhraseConfirmDelete":"Are you sure you want to delete this attachment?","wmuPhraseNotAllowedFile":"Not allowed file type","wmuPhraseMaxFileCount":"Maximum number of uploaded files is 1","wmuPhraseMaxFileSize":"Maximum upload file size is 2MB","wmuPhrasePostMaxSize":"Maximum post size is 1024MB","wmuPhraseDoingUpload":"Uploading in progress! Please wait.","msgEmptyFile":"File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.","msgPostIdNotExists":"Post ID not exists","msgUploadingNotAllowed":"Sorry, uploading not allowed for this post","msgPermissionDenied":"You do not have sufficient permissions to perform this action","wmuKeyImages":"images","wmuSingleImageWidth":"auto","wmuSingleImageHeight":"200","previewTemplate":"\u003Cdiv class=\"wmu-preview [PREVIEW_TYPE_CLASS]\" title=\"[PREVIEW_TITLE]\" data-wmu-type=\"[PREVIEW_TYPE]\" data-wmu-attachment=\"[PREVIEW_ID]\"\u003E\r\n \u003Cdiv class=\"wmu-preview-remove\"\u003E\r\n \u003Cimg class=\"wmu-preview-img\" src=\"[PREVIEW_ICON]\"\u003E\r\n \u003Cdiv class=\"wmu-file-name\"\u003E[PREVIEW_FILENAME]\u003C/div\u003E\r\n \u003C!-- \u003Cdiv class=\"wmu-delete\"\u003E\u00a0\u003C/div\u003E--\u003E\r\n \u003C/div\u003E\r\n\u003C/div\u003E\r\n","isUserRated":"0","version":"7.6.46","wc_post_id":"1783","isCookiesEnabled":"1","loadLastCommentId":"0","dataFilterCallbacks":[],"phraseFilters":[],"scrollSize":"32","url":"https://systemfanglobal.com/wp-admin/admin-ajax.php","customAjaxUrl":"https://systemfanglobal.com/wp-content/plugins/wpdiscuz/utils/ajax/wpdiscuz-ajax.php","bubbleUpdateUrl":"https://systemfanglobal.com/wp-json/wpdiscuz/v1/update","restNonce":"1686c7949c","is_rate_editable":"0","menu_icon":"https://systemfanglobal.com/wp-content/plugins/wpdiscuz/assets/img/plugin-icon/wpdiscuz-svg.svg","menu_icon_hover":"https://systemfanglobal.com/wp-content/plugins/wpdiscuz/assets/img/plugin-icon/wpdiscuz-svg_hover.svg","isUpdateNonceWithAjax":"","is_email_field_required":"1"}; var wpdiscuzUCObj = {"msgConfirmDeleteComment":"Are you sure you want to delete this comment?","msgConfirmCancelSubscription":"Are you sure you want to cancel this subscription?","msgConfirmCancelFollow":"Are you sure you want to cancel this follow?","additionalTab":"0"}; //# sourceURL=wpdiscuz-combo-js-js-extra </script> <script id="wpdiscuz-combo-js-js-before"> var wpdiscuzEditorOptions = { modules: { toolbar: "", counter: { uniqueID: "", commentmaxcount : 0, replymaxcount : 0, commentmincount : 1, replymincount : 1, }, }, wc_be_the_first_text: "Be the First to Comment!", wc_comment_join_text: "Join the discussion", theme: 'snow', debug: 'error' }; //# sourceURL=wpdiscuz-combo-js-js-before </script> <script src="https://systemfanglobal.com/wp-content/plugins/wpdiscuz/assets/js/wpdiscuz-combo.min.js?ver=7.6.46" id="wpdiscuz-combo-js-js"></script> <script id="wp-emoji-settings" type="application/json"> {"baseUrl":"https://s.w.org/images/core/emoji/17.0.2/72x72/","ext":".png","svgUrl":"https://s.w.org/images/core/emoji/17.0.2/svg/","svgExt":".svg","source":{"concatemoji":"https://systemfanglobal.com/wp-includes/js/wp-emoji-release.min.js?ver=6.9.1"}} </script> <script type="module"> /*! This file is auto-generated */ const a=JSON.parse(document.getElementById("wp-emoji-settings").textContent),o=(window._wpemojiSettings=a,"wpEmojiSettingsSupports"),s=["flag","emoji"];function i(e){try{var t={supportTests:e,timestamp:(new Date).valueOf()};sessionStorage.setItem(o,JSON.stringify(t))}catch(e){}}function c(e,t,n){e.clearRect(0,0,e.canvas.width,e.canvas.height),e.fillText(t,0,0);t=new Uint32Array(e.getImageData(0,0,e.canvas.width,e.canvas.height).data);e.clearRect(0,0,e.canvas.width,e.canvas.height),e.fillText(n,0,0);const a=new Uint32Array(e.getImageData(0,0,e.canvas.width,e.canvas.height).data);return t.every((e,t)=>e===a[t])}function p(e,t){e.clearRect(0,0,e.canvas.width,e.canvas.height),e.fillText(t,0,0);var n=e.getImageData(16,16,1,1);for(let e=0;e<n.data.length;e++)if(0!==n.data[e])return!1;return!0}function u(e,t,n,a){switch(t){case"flag":return n(e,"\ud83c\udff3\ufe0f\u200d\u26a7\ufe0f","\ud83c\udff3\ufe0f\u200b\u26a7\ufe0f")?!1:!n(e,"\ud83c\udde8\ud83c\uddf6","\ud83c\udde8\u200b\ud83c\uddf6")&&!n(e,"\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc65\udb40\udc6e\udb40\udc67\udb40\udc7f","\ud83c\udff4\u200b\udb40\udc67\u200b\udb40\udc62\u200b\udb40\udc65\u200b\udb40\udc6e\u200b\udb40\udc67\u200b\udb40\udc7f");case"emoji":return!a(e,"\ud83e\u1fac8")}return!1}function f(e,t,n,a){let r;const o=(r="undefined"!=typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope?new OffscreenCanvas(300,150):document.createElement("canvas")).getContext("2d",{willReadFrequently:!0}),s=(o.textBaseline="top",o.font="600 32px Arial",{});return e.forEach(e=>{s[e]=t(o,e,n,a)}),s}function r(e){var t=document.createElement("script");t.src=e,t.defer=!0,document.head.appendChild(t)}a.supports={everything:!0,everythingExceptFlag:!0},new Promise(t=>{let n=function(){try{var e=JSON.parse(sessionStorage.getItem(o));if("object"==typeof e&&"number"==typeof e.timestamp&&(new Date).valueOf()<e.timestamp+604800&&"object"==typeof e.supportTests)return e.supportTests}catch(e){}return null}();if(!n){if("undefined"!=typeof Worker&&"undefined"!=typeof OffscreenCanvas&&"undefined"!=typeof URL&&URL.createObjectURL&&"undefined"!=typeof Blob)try{var e="postMessage("+f.toString()+"("+[JSON.stringify(s),u.toString(),c.toString(),p.toString()].join(",")+"));",a=new Blob([e],{type:"text/javascript"});const r=new Worker(URL.createObjectURL(a),{name:"wpTestEmojiSupports"});return void(r.onmessage=e=>{i(n=e.data),r.terminate(),t(n)})}catch(e){}i(n=f(s,u,c,p))}t(n)}).then(e=>{for(const n in e)a.supports[n]=e[n],a.supports.everything=a.supports.everything&&a.supports[n],"flag"!==n&&(a.supports.everythingExceptFlag=a.supports.everythingExceptFlag&&a.supports[n]);var t;a.supports.everythingExceptFlag=a.supports.everythingExceptFlag&&!a.supports.flag,a.supports.everything||((t=a.source||{}).concatemoji?r(t.concatemoji):t.wpemoji&&t.twemoji&&(r(t.twemoji),r(t.wpemoji)))}); //# sourceURL=https://systemfanglobal.com/wp-includes/js/wp-emoji-loader.min.js </script> <div id="Side_slide" class="right light" data-width="250"> <div class="close-wrapper"><a rel="nofollow" href="#" class="close"><i class="fa fa-times" aria-hidden="true"></i></a> </div> <div class="minisearch"> <form action="https://systemfanglobal.thcmedia.vn/" role="search" id="searchform" method="GET"> <input type="hidden" name="type" value="product"> <input id="searchform-input woocommerce-product-search-field-0" class="sf-input" type="text" placeholder="Search..." name="s"> <button class="sf-submit-icon" type="submit" value="Search"> <i class="fas fa-search"></i> </button> <!-- <button id="searchform-submit" class="sf-submit" type="submit" value=""> --> </form> </div> <div class="menu_wrapper"> <nav id="menu"> <div class="menu-menu-tieng-anh-container"><ul id="menu-menu-tieng-anh-1" class="menu"><li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2062"><a href="https://systemfanglobal.com/about-us/">About Us</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-2063"><a href="https://systemfanglobal.com/industrial-fan/">Industrial Fan</a> <ul class="sub-menu"> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-2064"><a href="https://systemfanglobal.com/centrifugal-fans/">Centrifugal fans</a> <ul class="sub-menu"> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2065"><a href="https://systemfanglobal.com/high-pressure-centrifugal-fan/">High pressure fan</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2066"><a href="https://systemfanglobal.com/low-pressure-centrifugal-fan/">Low pressure fan</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2067"><a href="https://systemfanglobal.com/direct-drive-centrifugal-fan/">Direct drive fan</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2068"><a href="https://systemfanglobal.com/indirect-drive-centrifugal-fan/">Indirect drive fan</a></li> </ul> </li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-2069"><a href="https://systemfanglobal.com/axial-fans/">Axial Fans</a> <ul class="sub-menu"> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2070"><a href="https://systemfanglobal.com/high-pressure-axial-fan/">High pressure fan</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2071"><a href="https://systemfanglobal.com/low-pressure-axial-fan/">Low pressure fan</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2072"><a href="https://systemfanglobal.com/direct-drive-axial-fan/">Direct drive fan</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2073"><a href="https://systemfanglobal.com/indirect-drive-axial-fan/">Indirect drive fan</a></li> </ul> </li> </ul> </li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2075"><a href="https://systemfanglobal.com/dust-collection/">Dust Collection</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2074"><a href="https://systemfanglobal.com/duct-fan/">Duct fan</a></li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-2076"><a href="https://systemfanglobal.com/blog/">Blog</a></li> <li class="pll-parent-menu-item menu-item menu-item-type-custom menu-item-object-custom current-menu-parent menu-item-has-children menu-item-2060"><a href="#pll_switcher"><img src="data:image/png;base64,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" alt="English" width="16" height="11" style="width: 16px; height: 11px;" /></a> <ul class="sub-menu"> <li class="lang-item lang-item-64 lang-item-hi no-translation lang-item-first menu-item menu-item-type-custom menu-item-object-custom menu-item-2060-hi"><a href="https://systemfanglobal.com/hi/" hreflang="hi-IN" lang="hi-IN"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAALCAMAAABBPP0LAAAAjVBMVEX/vwD5tADyqQDrnAD95Hr74XP53mr932D83Vj72k7610P61TT30Cn+7aX954zXzpalrbmiq7bnsgD8/Pz9/v6bq9bIzeT29/f09PXk5ea9wt2Bj8OKn8+ElssAcwCIxIhnsmdfrF9XqFdQpFBEn0Q5mDoAIgAAbwCAv4AAGQAAZQB1uHUAVwAARAAANACRhc+AAAAAVElEQVR4AQXBAU4CQRRAsb6db7Jg9P4XlRAIs7YBRCiDJMlrWIkkW99HqPZD9u+cuTh0naLJBV/1Dg6gZQfmXpQknzluN0oS1qx9Lv5IyhjyE08W/yjQDpdmVRfaAAAAAElFTkSuQmCC" alt="हिन्दी" width="16" height="11" style="width: 16px; height: 11px;" /></a></li> <li class="lang-item lang-item-78 lang-item-en current-lang menu-item menu-item-type-custom menu-item-object-custom menu-item-2060-en"><a href="https://systemfanglobal.com/forward-curved-and-backward-curved-centrifugal-fan/" hreflang="en-GB" lang="en-GB"><img src="data:image/png;base64,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" alt="English" width="16" height="11" style="width: 16px; height: 11px;" /></a></li> <li class="lang-item lang-item-171 lang-item-th no-translation menu-item menu-item-type-custom menu-item-object-custom menu-item-2060-th"><a href="https://systemfanglobal.com/th/" hreflang="th" lang="th"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAALCAMAAABBPP0LAAAAY1BMVEX+AAD2AADuAAD/goH9dnb7bGz5YmL3Vlb+/v74+Pjx8fE/QK+ur96XmdWMjc+Cg8l3d8YAAH1VVrdLTLM1NaotLaUhIqATE5oAACgAAHNoar8AAFrg4ODzSUnyQUHfAADnAABuUDLQAAAAVElEQVR4AQXBQQ6CQAAAsY6LynL04NH/P9AYjAnYBiBEBkKSXysgoGUUInKM5XZeZDeV3tsF2U0l07L2tZtJZDk+w3XDTu41z4DAo0YinqQSvHDCH4P0DbBHDm4aAAAAAElFTkSuQmCC" alt="ไทย" width="16" height="11" style="width: 16px; height: 11px;" /></a></li> <li class="lang-item lang-item-213 lang-item-tr no-translation menu-item menu-item-type-custom menu-item-object-custom menu-item-2060-tr"><a href="https://systemfanglobal.com/tr/" hreflang="tr-TR" lang="tr-TR"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAALCAMAAABBPP0LAAAARVBMVEX+AAD3AADwAAD+fHz9cHH7ZGT9WVn6UFDpAAD9oKD5Q0P5OTn2MzP1Kir7ubr65ub1Gxv69PTzDw/kAAD319ffAAD4iooXHQ3FAAAAYklEQVR4AT3HhW0EQRQD0Oc/KG3/dQYEYTg2O+4IQbTHydWt0fw2Sfz8Fuw51+U3On7a6/pc/as1UZLDyuq13lWOwpdPn3+v7XJiDD3DR1N87Qr5WXX9zyQ9opEIOwkmDgr/ZXASmpFRqe0AAAAASUVORK5CYII=" alt="Türkçe" width="16" height="11" style="width: 16px; height: 11px;" /></a></li> </ul> </li> </ul></div> </nav> </div> <div class="list-social"> <a rel="nofollow" target="_blank" href="#"> <i class=" fab fa-facebook-f "></i> </a> <a rel="nofollow" target="_blank" href="#"> <i class="fab fa-whatsapp-square" style="font-size:30px; color: green;"></i> </a> <a rel="nofollow" target="_blank" href="#"> <i class="fab fa-skype" style="font-size:30px;color: #007bff;"></i> </a> </div> </div> <div id="body_overlay"></div> <div class="custom-model-main form-ft"> <div class="custom-model-inner"> <div class="close-btn"><i class="far fa-times"></i></div> <div class="custom-model-wrap"> <div class="pop-up-content-wrap"> <div class="form-contact"> <span class="txt_lh">SEND CONTACT US</span> <div class="wpcf7 no-js" id="wpcf7-f257-p1783-o2" lang="en-US" dir="ltr" data-wpcf7-id="257"> <div class="screen-reader-response"><p role="status" aria-live="polite" aria-atomic="true"></p> <ul></ul></div> <form action="/forward-curved-and-backward-curved-centrifugal-fan/#wpcf7-f257-p1783-o2" method="post" class="wpcf7-form init demo" aria-label="Contact form" novalidate="novalidate" data-status="init"> <fieldset class="hidden-fields-container"><input type="hidden" name="_wpcf7" value="257" /><input type="hidden" name="_wpcf7_version" value="6.1.5" /><input type="hidden" name="_wpcf7_locale" value="en_US" /><input type="hidden" name="_wpcf7_unit_tag" value="wpcf7-f257-p1783-o2" /><input type="hidden" name="_wpcf7_container_post" value="1783" /><input type="hidden" name="_wpcf7_posted_data_hash" value="" /> </fieldset> <div class="row"> <div class="col-md-6"> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-name"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required form-control" aria-required="true" aria-invalid="false" placeholder="Name*" value="" type="text" name="your-name" /></span> </p> <div class="icon-fr"> <p><i class="fas fa-user"></i> </p> </div> </div> </div> <div class="col-md-6"> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-phone"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel form-control" aria-required="true" aria-invalid="false" placeholder="Phone*" value="" type="tel" name="your-phone" /></span> </p> <div class="icon-fr"> <p><i class="fas fa-phone-alt"></i> </p> </div> </div> </div> </div> <div class="row"> <div class="col-md-6"> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-email"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email form-control" aria-required="true" aria-invalid="false" placeholder="Email*" value="" type="email" name="your-email" /></span> </p> <div class="icon-fr"> <p><i class="far fa-envelope"></i> </p> </div> </div> </div> <div class="col-md-6"> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="menu-227"><select class="wpcf7-form-control wpcf7-select" aria-invalid="false" name="menu-227"><option value="Select the country">Select the country</option><option value="Afghanistan">Afghanistan</option><option value="Algeria">Algeria</option><option value="Angola">Angola</option><option value="Argentina">Argentina</option><option value="Austria">Austria</option><option value="Australia">Australia</option><option value="Bangladesh">Bangladesh</option><option value="Belarus">Belarus</option><option value="Belgium">Belgium</option><option value="Bolivia">Bolivia</option><option value="Bosnia and Herzegovina">Bosnia and Herzegovina</option><option value="Brazil">Brazil</option><option value="Britain">Britain</option><option value="Bulgaria">Bulgaria</option><option value="Cambodia">Cambodia</option><option value="Cameroon">Cameroon</option><option value="Canada">Canada</option><option value="Central African Republic">Central African Republic</option><option value="Chad">Chad</option><option value="China">China</option><option value="Colombia">Colombia</option><option value="Costa Rica">Costa Rica</option><option value="Croatia">Croatia</option><option value="the Czech Republic">the Czech Republic</option><option value="Democratic Republic of the Congo">Democratic Republic of the Congo</option><option value="Denmark">Denmark</option><option value="Ecuador">Ecuador</option><option value="Egypt">Egypt</option><option value="El Salvador">El Salvador</option><option value="England">England</option><option value="Estonia">Estonia</option><option value="Ethiopia">Ethiopia</option><option value="Finland">Finland</option><option value="France">France</option><option value="Germany">Germany</option><option value="Ghana">Ghana</option><option value="Greece">Greece</option><option value="Guatemala">Guatemala</option><option value="Holland">Holland</option><option value="Honduras">Honduras</option><option value="Hungary">Hungary</option><option value="Iceland">Iceland</option><option value="India">India</option><option value="Indonesia">Indonesia</option><option value="Iran">Iran</option><option value="Iraq">Iraq</option><option value="Ireland">Ireland</option><option value="Israel">Israel</option><option value="Italy">Italy</option><option value="Ivory Coast">Ivory Coast</option><option value="Jamaica">Jamaica</option><option value="Japan">Japan</option><option value="Jordan">Jordan</option><option value="Kazakhstan">Kazakhstan</option><option value="Kenya">Kenya</option><option value="Laos">Laos</option><option value="Latvia">Latvia</option><option value="Libya">Libya</option><option value="Lithuania">Lithuania</option><option value="Madagascar">Madagascar</option><option value="Malaysia">Malaysia</option><option value="Mali">Mali</option><option value="Mauritania">Mauritania</option><option value="Mexico">Mexico</option><option value="Morocco">Morocco</option><option value="Namibia">Namibia</option><option value="New Zealand">New Zealand</option><option value="Nicaragua">Nicaragua</option><option value="Niger">Niger</option><option value="Nigeria">Nigeria</option><option value="Norway">Norway</option><option value="Oman">Oman</option><option value="Pakistan">Pakistan</option><option value="Panama">Panama</option><option value="Paraguay">Paraguay</option><option value="Peru">Peru</option><option value="The Philippines">The Philippines</option><option value="Poland">Poland</option><option value="Portugal">Portugal</option><option value="Republic of the Congo">Republic of the Congo</option><option value="Romania">Romania</option><option value="Russia">Russia</option><option value="Saudi Arabia">Saudi Arabia</option><option value="Scotland">Scotland</option><option value="Senegal">Senegal</option><option value="Serbia">Serbia</option><option value="Singapore">Singapore</option><option value="Slovakia">Slovakia</option><option value="Somalia">Somalia</option><option value="South Africa">South Africa</option><option value="Spain">Spain</option><option value="Sudan">Sudan</option><option value="Sweden">Sweden</option><option value="Switzerland">Switzerland</option><option value="Syria">Syria</option><option value="Thailand">Thailand</option><option value="Tunisia">Tunisia</option><option value="Turkey">Turkey</option><option value="Turkmenistan">Turkmenistan</option><option value="Ukraine">Ukraine</option><option value="The United Arab Emirates">The United Arab Emirates</option><option value="The United States">The United States</option><option value="Uruguay">Uruguay</option><option value="Vietnam">Vietnam</option><option value="Wales">Wales</option><option value="Zambia">Zambia</option><option value="Zimbabwe">Zimbabwe</option></select></span> </p> </div> </div> </div> <div class="row"> <div class="col-md-12"> <p><span class="wpcf7-form-control-wrap" data-name="your-content"><textarea cols="40" rows="6" maxlength="2000" class="wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required form-control" aria-required="true" aria-invalid="false" placeholder="Content *" name="your-content"></textarea></span> </p> </div> </div> <p><input class="wpcf7-form-control wpcf7-submit has-spinner btn" type="submit" value="Send" /> </p><div class="wpcf7-response-output" aria-hidden="true"></div> </form> </div> </div> </div> </div> </div> <div class="bg-overlay"></div> </div> <div class="custom-model-main form-other"> <div class="custom-model-inner"> <div class="close-btn"><i class="far fa-times"></i></div> <div class="custom-model-wrap"> <div class="pop-up-content-wrap"> <div class="form-contact"> <span class="txt_lh">SEND CONTACT US</span> <div class="wpcf7 no-js" id="wpcf7-f803-p1783-o3" lang="en-US" dir="ltr" data-wpcf7-id="803"> <div class="screen-reader-response"><p role="status" aria-live="polite" aria-atomic="true"></p> <ul></ul></div> <form action="/forward-curved-and-backward-curved-centrifugal-fan/#wpcf7-f803-p1783-o3" method="post" class="wpcf7-form init demo" aria-label="Contact form" novalidate="novalidate" data-status="init"> <fieldset class="hidden-fields-container"><input type="hidden" name="_wpcf7" value="803" /><input type="hidden" name="_wpcf7_version" value="6.1.5" /><input type="hidden" name="_wpcf7_locale" value="en_US" /><input type="hidden" name="_wpcf7_unit_tag" value="wpcf7-f803-p1783-o3" /><input type="hidden" name="_wpcf7_container_post" value="1783" /><input type="hidden" name="_wpcf7_posted_data_hash" value="" /> </fieldset> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-name"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required form-control" id="inputName" aria-required="true" aria-invalid="false" placeholder="Name*" value="" type="text" name="your-name" /></span> </p> <div class="icon"> <p><i class="far fa-user"></i> </p> </div> </div> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-phone"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel form-control" aria-required="true" aria-invalid="false" placeholder="Phone*" value="" type="tel" name="your-phone" /></span> </p> <div class="icon"> <p><i class="fas fa-phone-alt"></i> </p> </div> </div> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-email"><input size="40" maxlength="400" class="wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email form-control" id="inputEmail" aria-required="true" aria-invalid="false" placeholder="Email *" value="" type="email" name="your-email" /></span> </p> <div class="icon"> <p><i class="far fa-envelope"></i> </p> </div> </div> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="menu-238"><select class="wpcf7-form-control wpcf7-select" aria-invalid="false" name="menu-238"><option value="Select the country">Select the country</option><option value="Afghanistan">Afghanistan</option><option value="Algeria">Algeria</option><option value="Angola">Angola</option><option value="Argentina">Argentina</option><option value="Austria">Austria</option><option value="Australia">Australia</option><option value="Bangladesh">Bangladesh</option><option value="Belarus">Belarus</option><option value="Belgium">Belgium</option><option value="Bolivia">Bolivia</option><option value="Bosnia and Herzegovina">Bosnia and Herzegovina</option><option value="Brazil">Brazil</option><option value="Britain">Britain</option><option value="Bulgaria">Bulgaria</option><option value="Cambodia">Cambodia</option><option value="Cameroon">Cameroon</option><option value="Canada">Canada</option><option value="Central African Republic">Central African Republic</option><option value="Chad">Chad</option><option value="China">China</option><option value="Colombia">Colombia</option><option value="Costa Rica">Costa Rica</option><option value="Croatia">Croatia</option><option value="the Czech Republic">the Czech Republic</option><option value="Democratic Republic of the Congo">Democratic Republic of the Congo</option><option value="Denmark">Denmark</option><option value="Ecuador">Ecuador</option><option value="Egypt">Egypt</option><option value="El Salvador">El Salvador</option><option value="England">England</option><option value="Estonia">Estonia</option><option value="Ethiopia">Ethiopia</option><option value="Finland">Finland</option><option value="France">France</option><option value="Germany">Germany</option><option value="Ghana">Ghana</option><option value="Greece">Greece</option><option value="Guatemala">Guatemala</option><option value="Holland">Holland</option><option value="Honduras">Honduras</option><option value="Hungary">Hungary</option><option value="Iceland">Iceland</option><option value="India">India</option><option value="Indonesia">Indonesia</option><option value="Iran">Iran</option><option value="Iraq">Iraq</option><option value="Ireland">Ireland</option><option value="Israel">Israel</option><option value="Italy">Italy</option><option value="Ivory Coast">Ivory Coast</option><option value="Jamaica">Jamaica</option><option value="Japan">Japan</option><option value="Jordan">Jordan</option><option value="Kazakhstan">Kazakhstan</option><option value="Kenya">Kenya</option><option value="Laos">Laos</option><option value="Latvia">Latvia</option><option value="Libya">Libya</option><option value="Lithuania">Lithuania</option><option value="Madagascar">Madagascar</option><option value="Malaysia">Malaysia</option><option value="Mali">Mali</option><option value="Mauritania">Mauritania</option><option value="Mexico">Mexico</option><option value="Morocco">Morocco</option><option value="Namibia">Namibia</option><option value="New Zealand">New Zealand</option><option value="Nicaragua">Nicaragua</option><option value="Niger">Niger</option><option value="Nigeria">Nigeria</option><option value="Norway">Norway</option><option value="Oman">Oman</option><option value="Pakistan">Pakistan</option><option value="Panama">Panama</option><option value="Paraguay">Paraguay</option><option value="Peru">Peru</option><option value="The Philippines">The Philippines</option><option value="Poland">Poland</option><option value="Portugal">Portugal</option><option value="Republic of the Congo">Republic of the Congo</option><option value="Romania">Romania</option><option value="Russia">Russia</option><option value="Saudi Arabia">Saudi Arabia</option><option value="Scotland">Scotland</option><option value="Senegal">Senegal</option><option value="Serbia">Serbia</option><option value="Singapore">Singapore</option><option value="Slovakia">Slovakia</option><option value="Somalia">Somalia</option><option value="South Africa">South Africa</option><option value="Spain">Spain</option><option value="Sudan">Sudan</option><option value="Sweden">Sweden</option><option value="Switzerland">Switzerland</option><option value="Syria">Syria</option><option value="Thailand">Thailand</option><option value="Tunisia">Tunisia</option><option value="Turkey">Turkey</option><option value="Turkmenistan">Turkmenistan</option><option value="Ukraine">Ukraine</option><option value="The United Arab Emirates">The United Arab Emirates</option><option value="The United States">The United States</option><option value="Uruguay">Uruguay</option><option value="Vietnam">Vietnam</option><option value="Wales">Wales</option><option value="Zambia">Zambia</option><option value="Zimbabwe">Zimbabwe</option></select></span> </p> </div> <div class="form-group"> <p><span class="wpcf7-form-control-wrap" data-name="your-content"><textarea cols="40" rows="6" maxlength="2000" class="wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required form-control" aria-required="true" aria-invalid="false" placeholder="Content *" name="your-content"></textarea></span> </p> </div> <div class="text-center"> <p><input class="wpcf7-form-control wpcf7-submit has-spinner btn-submit" type="submit" value="Send" /> </p> </div><div class="wpcf7-response-output" aria-hidden="true"></div> </form> </div> </div> </div> </div> </div> <div class="bg-overlay"></div> </div> <!-- Messenger Plugin chat Code --> <div id="fb-root"></div> <!-- Your Plugin chat code --> <div id="fb-customer-chat" class="fb-customerchat"> </div> <script> var chatbox = document.getElementById('fb-customer-chat'); chatbox.setAttribute("page_id", "127379603787477"); chatbox.setAttribute("attribution", "biz_inbox"); </script> <!-- Your SDK code --> <script> window.fbAsyncInit = function() { FB.init({ xfbml : true, version : 'v18.0' }); }; (function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src = 'https://connect.facebook.net/en_US/sdk/xfbml.customerchat.js'; fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk')); </script> <!--Start of Tawk.to Script--> <script type="text/javascript"> var Tawk_API=Tawk_API||{}, Tawk_LoadStart=new Date(); (function(){ var s1=document.createElement("script"),s0=document.getElementsByTagName("script")[0]; s1.async=true; s1.src='https://embed.tawk.to/62b035807b967b1179956b96/1g6052024'; s1.charset='UTF-8'; s1.setAttribute('crossorigin','*'); s0.parentNode.insertBefore(s1,s0); })(); </script> <!--End of Tawk.to Script--> </body> </html> <!-- This website is like a Rocket, isn't it? Performance optimized by WP Rocket. Learn more: https://wp-rocket.me - Debug: cached@1772709124 -->