{"id":2236,"date":"2022-05-30T21:18:30","date_gmt":"2022-05-30T21:18:30","guid":{"rendered":"https:\/\/p69.com.vn\/?p=2236"},"modified":"2022-05-31T02:48:09","modified_gmt":"2022-05-31T02:48:09","slug":"lap-dat-van-gio-dieu-chinh-luu-luong","status":"publish","type":"post","link":"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/","title":{"rendered":"Installing volume control damper: benefits, classifications, reputable installation units"},"content":{"rendered":"<p>Volume control damper is an indispensable device for manufacturing plants that want to control the flow of air, etc. The volume control damper is widely used thank to its control properties. The wing inside the valve will change the angles will be adjusted manually. VCD are usually applied to WC exhaust systems, fresh air supply systems.<\/p>\n<p>In addition, <strong>how to install the volume control valve<\/strong> is also very important. Directly affects the quality when used. If you are wondering about how to install a flow control valve, please follow the instructions shared by <a href=\"https:\/\/p69.com.vn\/\" target=\"_blank\" rel=\"noopener\">P69 Company<\/a> !<\/p>\n<figure id=\"attachment_2237\" aria-describedby=\"caption-attachment-2237\" style=\"width: 2560px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2237 size-full\" title=\"l\u1eafp \u0111\u1eb7t van \u0111i\u1ec1u ch\u1ec9nh l\u01b0u\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1.jpg\" alt=\"l\u1eafp \u0111\u1eb7t van \u0111i\u1ec1u ch\u1ec9nh l\u01b0u\" width=\"2560\" height=\"2560\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1.jpg 2560w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1-300x300.jpg 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1-100x100.jpg 100w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1-600x600.jpg 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1-1024x1024.jpg 1024w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1-150x150.jpg 150w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1-768x768.jpg 768w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1-1536x1536.jpg 1536w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-nganlua-fix-4-scaled-1-2048x2048.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption id=\"caption-attachment-2237\" class=\"wp-caption-text\"><em>Air flow control valves are used in ventilation systems or in air conditioning systems. They are installed on the return or supply air lines depending on the needs of each unit.<\/em><\/figcaption><\/figure>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_45 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Contents<\/p>\n<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\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69e9068d0b15d\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><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><\/label><input  type=\"checkbox\" id=\"item-69e9068d0b15d\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#Features_of_flow_control_valve\" title=\"Features of flow control valve\">Features of flow control valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#Advantages_when_installing_VCD\" title=\"Advantages when installing VCD\">Advantages when installing VCD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#Popular_types_of_air_flow_control_valves_and_their_uses\" title=\"Popular types of air flow control valves and their uses\">Popular types of air flow control valves and their uses<\/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=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#1_Round_air_valve\" title=\"1. Round air valve\">1. Round air valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#2_Solenoid_valve\" title=\"2. Solenoid valve\">2. Solenoid valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#3_Check_Valve\" title=\"3. Check Valve\">3. Check Valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#4_Gate_valve\" title=\"4. Gate valve\">4. Gate valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#5_Square_air_valve\" title=\"5. Square air valve\">5. Square air valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#6_Fire_Extinguishing_Valve\" title=\"6. Fire Extinguishing Valve\">6. Fire Extinguishing Valve<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#Prestigious_OBD_air_valve_installation_unit\" title=\"Prestigious OBD air valve installation unit\">Prestigious OBD air valve installation unit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-van-gio-dieu-chinh-luu-luong\/#Contact_information_P69_-_M_E_Contractor\" title=\"Contact information P69 \u2013 M&amp;E Contractor\">Contact information P69 \u2013 M&amp;E Contractor<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Features_of_flow_control_valve\"><\/span>Features of flow control valve<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; The adjustment method is done in 2 ways. The air flow can be adjusted by the motor or manually adjusted by the lever.<\/p>\n<p>&#8211; Usually they are made from 2 main materials, which are galvanized steel or stainless steel<\/p>\n<p>&#8211; Designed with a variety of sizes to suit the requirements of customers<\/p>\n<p>&#8211; Shape: usually designed in square or rectangular shape. To adjust the air flow easily and quickly.<\/p>\n<p>&#8211; The air valve handle can be designed with a worm wheel or a lever.<\/p>\n<figure id=\"attachment_2238\" aria-describedby=\"caption-attachment-2238\" style=\"width: 2560px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2238 size-full\" title=\"l\u1eafp \u0111\u1eb7t van \u0111i\u1ec1u ch\u1ec9nh l\u01b0u\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1.jpg\" alt=\"l\u1eafp \u0111\u1eb7t van \u0111i\u1ec1u ch\u1ec9nh l\u01b0u\" width=\"2560\" height=\"2560\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1.jpg 2560w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1-300x300.jpg 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1-100x100.jpg 100w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1-600x600.jpg 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1-1024x1024.jpg 1024w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1-150x150.jpg 150w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1-768x768.jpg 768w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1-1536x1536.jpg 1536w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-5-scaled-1-2048x2048.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption id=\"caption-attachment-2238\" class=\"wp-caption-text\"><em>This product is widely used in air conditioning systems, ventilation systems and installed right above the return or supply air lines.<\/em><\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_when_installing_VCD\"><\/span>Advantages when installing VCD<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The air valve is an extremely important device. To regulate the air flow in both ventilation systems, or air conditioning systems. But depending on the size and different type, the valve has corresponding uses. You can easily come across these products in today&#8217;s life and production field.<\/p>\n<p>&#8211; This product is used to customize the air flow on the pipeline for maximum efficiency.<\/p>\n<p>&#8211; Some models are used for manual or motorized adjustment so you don&#8217;t have to spend a lot of effort.<\/p>\n<p>&#8211; The product can be installed with both rectangular and circular ducts.<\/p>\n<p>&#8211; When encountering unexpected situations or problems arise, the valve can adjust itself without using hands (for electric valve).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Popular_types_of_air_flow_control_valves_and_their_uses\"><\/span>Popular types of air flow control valves and their uses<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Here are some types of air flow control valves<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Round_air_valve\"><\/span>1. Round air valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This type of valve is widely used in ventilation systems. The product has the effect of supplying wind to the whole system in the fastest way. This type of valve is used and installed in many areas. But highly skilled workers will put them right behind the wind box or above the place where the wind is coming.<\/p>\n<p>Air flow control valves are made of stainless steel or galvanized steel, so they have a fairly long life. The possibility of wear and tear during use is extremely low, so you do not need to do regular maintenance.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Solenoid_valve\"><\/span>2. Solenoid valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This product is widely used in air conditioning systems, ventilation systems and installed right above the return or supply air lines. But depending on the needs of the user, the solenoid valve has different installation positions.<\/p>\n<p>Besides, the valve is also equipped with a motor, so the operation is extremely fast, quiet and meets the quality standards, bringing high performance. You can easily customize this type of valve.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Check_Valve\"><\/span>3. Check Valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>You may find the product is applied to the supply air intake, but professionals advise against installing it in the return air intake. This valve has a rather special design that only opens when the wind passes and does not open when the wind moves, in other words, the wind is only circulated in one direction.<\/p>\n<p>This type of check valve is made of stainless steel or galvanized steel, so it is durable, not affected by weather or external influences. In addition, the product is also equipped with a motor to operate more smoothly and quietly.<\/p>\n<figure id=\"attachment_2239\" aria-describedby=\"caption-attachment-2239\" style=\"width: 2560px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2239 size-full\" title=\"l\u1eafp \u0111\u1eb7t van \u0111i\u1ec1u ch\u1ec9nh l\u01b0u\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1.jpg\" alt=\"l\u1eafp \u0111\u1eb7t van \u0111i\u1ec1u ch\u1ec9nh l\u01b0u\" width=\"2560\" height=\"2560\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1.jpg 2560w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1-300x300.jpg 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1-100x100.jpg 100w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1-600x600.jpg 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1-1024x1024.jpg 1024w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1-150x150.jpg 150w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1-768x768.jpg 768w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1-1536x1536.jpg 1536w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/05\/vantron-trucvit-fix-7-scaled-1-2048x2048.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption id=\"caption-attachment-2239\" class=\"wp-caption-text\">The flow control valve in addition to ventilation can also prevent unexpected incidents such as fires. Therefore, the structure of the product is quite thick and made of the best stainless steel.<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"4_Gate_valve\"><\/span>4. Gate valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This type of valve is used to customize the air flow on the inlet and return routes. The valve also divides the incoming air into different parts and distributes it reasonably, depending on the requirements of the system. The product is made up of two main materials, stainless steel and galvanized steel.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Square_air_valve\"><\/span>5. Square air valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>With a square construction, the valve can be placed neatly in the road where the wind passes frequently in both directions in the ventilation system. Sometimes people also put the product in the air-conditioned area. Depending on the needs of the user, the operation is most reasonable.<\/p>\n<p>Square valve has the effect of supporting the air flow from two directions to move more stable and easier. You can use it with a hand valve that is permanently mounted on the product. Or use a motor to save effort. Like other valves, square valves are also made of the highest quality materials.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Fire_Extinguishing_Valve\"><\/span>6. Fire Extinguishing Valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Fire extinguishing valves, in addition to ventilation, can also prevent unexpected incidents such as fires. Therefore, the structure of the product is quite thick and made of the best stainless steel.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Prestigious_OBD_air_valve_installation_unit\"><\/span>Prestigious OBD air valve installation unit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Currently on the market there are countless OBD installation units. However, we would like to introduce to you a leading prestigious unit in the installation of air valves and ducts. It was <strong>Company P69<\/strong> is always appreciated by people for the following reasons:<\/p>\n<p>&#8211; Factory scale production, using modern equipment. International standard<\/p>\n<p>&#8211; Professional and experienced team of engineers and technicians<\/p>\n<p>&#8211; Free consultation and support 24\/7<\/p>\n<p>&#8211; Free shipping and installation<\/p>\n<p>If you have any questions or need further advice, please contact us at the following address:<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Contact_information_P69_-_M_E_Contractor\"><\/span>Contact information P69 \u2013 M&amp;E Contractor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Address: No. 6\/165C Xuan Thuy, Cau Giay District, Hanoi<\/p>\n<p>Website: https:\/\/p69.com.vn\/<\/p>\n<p>Hotline : 02422121212 \u2013 0965937799<\/p>\n<p>Email: kd@cokhip69.com.vn<\/p>\n<p>Facebook:\u00a0<a href=\"https:\/\/www.facebook.com\/p69nhathaucodien\">https:\/\/www.facebook.com\/p69nhathaucodien<\/a><\/p>\n<p>LinkedIn:\u00a0<a href=\"https:\/\/www.linkedin.com\/in\/congtyp69\/\">https:\/\/www.linkedin.com\/in\/congtyp69\/<\/a><\/p>\n<p>Youtube :\u00a0<a href=\"https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA\">https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA<\/a><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2236&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (1 vote)    <\/div>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Volume control damper is an indispensable device for manufacturing plants that want to control the flow of air, etc. The volume control damper is widely used thank to its control properties. The wing inside the valve will change the angles will be adjusted manually. VCD are usually applied to WC exhaust systems, fresh air supply [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2237,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-2236","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.1 (Yoast SEO v20.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L\u1eafp \u0111\u1eb7t van gi\u00f3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng: l\u1ee3i \u00edch, \u0111\u01a1n v\u1ecb l\u1eafp \u0111\u1eb7t uy t\u00edn<\/title>\n<meta name=\"description\" content=\"L\u1eafp \u0111\u1eb7t van gi\u00f3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ednh ch\u1ea5t \u0111i\u1ec1u khi\u1ec3n c\u1ee7a n\u00f3. 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