{"id":2986,"date":"2023-01-28T16:46:06","date_gmt":"2023-01-28T16:46:06","guid":{"rendered":"https:\/\/govalit.com\/?page_id=2986"},"modified":"2025-03-08T23:00:02","modified_gmt":"2025-03-08T23:00:02","slug":"check-valves-swing-dual-plate-wafer","status":"publish","type":"page","link":"https:\/\/govalit.com\/index.php\/check-valves-swing-dual-plate-wafer\/","title":{"rendered":"CHECK VALVES"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css=&#8221;.vc_custom_1740238586590{background-color: #ffffff !important;border-color: #ffffff !important;}&#8221; conditional_render=&#8221;%5B%7B%22value_role%22%3A%22administrator%22%7D%5D&#8221;][vc_column][vc_column_text css=&#8221;&#8221;]A check valve is a type of valve that allows fluid (liquid or gas) to flow in one direction only. It prevents backflow, ensuring that the fluid moves efficiently and does not return to the source or damage equipment.<\/p>\n<p><strong>A check valve operates automatically, using the pressure of the fluid to open and close:<\/strong><\/p>\n<p>Forward Flow (Open Position)<br \/>\nWhen fluid moves in the desired direction, the pressure pushes the valve open, allowing flow.<br \/>\nBackflow Prevention (Closed Position)<br \/>\nIf the flow reverses, the valve closes due to gravity, a spring, or reverse pressure, stopping unwanted backflow.<br \/>\n<em><strong>Common Types of Check Valves<\/strong><\/em><br \/>\nSwing Check Valve \u2013 A hinged disc swings open with flow and closes when flow stops or reverses.<br \/>\nBall Check Valve \u2013 A ball moves to block or allow flow, common in simple applications.<br \/>\nDiaphragm Check Valve \u2013 A flexible diaphragm allows flow in one direction and seals off in reverse.<br \/>\nLift Check Valve \u2013 A piston or disc lifts when flow is forward and drops back to seal when flow stops.<br \/>\nSpring-Loaded Check Valve \u2013 Uses a spring to assist in closing quickly, reducing water hammer effects.[\/vc_column_text][vc_tta_tabs active_section=&#8221;1&#8243; css=&#8221;.vc_custom_1740238694885{background-color: #ffffff !important;border-color: #ffffff !important;}&#8221;][vc_tta_section title=&#8221;CAST STEEL SWING CHECK VALVE&#8221; tab_id=&#8221;1741473187835-6823f7d9-1617&#8243;][vc_single_image image=&#8221;3635&#8243; img_size=&#8221;470X380&#8243; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1741474359315{background-color: var(&#8211;porto-light-color) !important;border-color: var(&#8211;porto-light-color) !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1741474170284{background-color: #ffffff !important;border-color: #ffffff !important;}&#8221;]<\/p>\n<h4>SWING CHECK VALVE<\/h4>\n<p>A swing check valve is a type of check valve that allows fluid to flow in one direction and prevents backflow, The\u00a0primary\u00a0function\u00a0of\u00a0a\u00a0swing\u00a0check\u00a0valve\u00a0is\u00a0to\u00a0prevent\u00a0backflow\u00a0in\u00a0a\u00a0piping\u00a0system.\u00a0It\u00a0allows\u00a0full,\u00a0unobstructed\u00a0flow\u00a0and\u00a0automatically\u00a0closes\u00a0as\u00a0pressure\u00a0decreases,\u00a0ensuring\u00a0that\u00a0the\u00a0fluid\u00a0flows\u00a0in\u00a0only\u00a0one\u00a0direction.<\/p>\n<p>Dimension:\u00a0 2&#8243; &#8211; 24&#8243;<\/p>\n<p>Pressure:\u00a0 \u00a0 \u00a0 \u00a0Class 150 \/ 300 \/ 600 \/ 900 \/ 1500 \/ 2500<\/p>\n<p><strong>Standards:<\/strong><\/p>\n<p><strong>Design Standard: ASME B16.34 \/ BS 1668<br \/>\nFace to Face: ASME B16.10<br \/>\nEnd to End: ASME B16.10<br \/>\n<\/strong><strong>Comply with ASME B 16.5<br \/>\n<\/strong><strong>Butt Weld End: ASME B16.25<br \/>\nNACE MR 0175<br \/>\n<\/strong><\/p>\n<h3 class=\"text-md-strong pb-1 [&amp;:not(:first-child)]:pt-3.5\">Key\u00a0Features<\/h3>\n<ul class=\"relative list-outside marker:text-foreground-750 dark:marker:text-foreground-600 flex flex-col ms-4 px-1\">\n<li class=\"ps-2\"><span class=\"font-ligatures-none\"><strong>Design<\/strong>:\u00a0Consists\u00a0of\u00a0a\u00a0hinged\u00a0disc\u00a0that\u00a0swings\u00a0open\u00a0with\u00a0forward\u00a0flow\u00a0and\u00a0closes\u00a0against\u00a0reverse\u00a0flow.<\/span><\/li>\n<li class=\"ps-2\"><span class=\"font-ligatures-none\"><strong>Material<\/strong>:\u00a0Available\u00a0in\u00a0various\u00a0materials,\u00a0including\u00a0stainless\u00a0steel,\u00a0carbon\u00a0steel,\u00a0and\u00a0cast\u00a0iron.<\/span><\/li>\n<li class=\"ps-2\"><span class=\"font-ligatures-none\"><strong>Operation<\/strong>:\u00a0The\u00a0disc\u00a0swings\u00a0open\u00a0when\u00a0the\u00a0fluid\u00a0pressure\u00a0is\u00a0higher\u00a0on\u00a0the\u00a0inlet\u00a0side\u00a0and\u00a0closes\u00a0when\u00a0the\u00a0pressure\u00a0drops\u00a0or\u00a0reverses.<\/span><\/li>\n<li class=\"ps-2\"><span class=\"font-ligatures-none\"><strong>Seal<\/strong>:\u00a0Can\u00a0have\u00a0metal-to-metal\u00a0or\u00a0soft\u00a0seat\u00a0options\u00a0for\u00a0sealing.<\/span><\/li>\n<\/ul>\n<h3 class=\"text-md-strong pb-1 [&amp;:not(:first-child)]:pt-3.5\">Applications<\/h3>\n<ul class=\"relative list-outside marker:text-foreground-750 dark:marker:text-foreground-600 flex flex-col ms-4 px-1\">\n<li class=\"ps-2\"><span class=\"font-ligatures-none\"><strong>Water\u00a0and\u00a0Wastewater\u00a0Systems<\/strong>:\u00a0Commonly\u00a0used\u00a0in\u00a0water\u00a0treatment\u00a0plants\u00a0and\u00a0wastewater\u00a0systems.<\/span><\/li>\n<li class=\"ps-2\"><span class=\"font-ligatures-none\"><strong>Oil\u00a0and\u00a0Gas<\/strong>:\u00a0Suitable\u00a0for\u00a0pipelines\u00a0and\u00a0processing\u00a0plants\u00a0to\u00a0prevent\u00a0backflow\u00a0of\u00a0hydrocarbons.<\/span><\/li>\n<li class=\"ps-2\"><span class=\"font-ligatures-none\"><strong>Industrial\u00a0Processes<\/strong>:\u00a0Used\u00a0in\u00a0various\u00a0industrial\u00a0applications\u00a0to\u00a0protect\u00a0equipment\u00a0and\u00a0maintain\u00a0process\u00a0integrity.<\/span><\/li>\n<li class=\"ps-2\"><span class=\"font-ligatures-none\"><strong>HVAC\u00a0Systems<\/strong>:\u00a0Utilized\u00a0in\u00a0heating,\u00a0ventilation,\u00a0and\u00a0air\u00a0conditioning\u00a0systems\u00a0to\u00a0prevent\u00a0reverse\u00a0flow.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h5>Download Datasheet<\/h5>\n<p><a href=\"https:\/\/govalit.com\/index.php\/check-valves-swing-dual-plate-wafer\/swing-check-valve-cs-ss-asme\/\" rel=\"attachment wp-att-3634\">SWING CHECK VALVE CS SS ASME<\/a>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;ASME DUAL PLATE CHECK VALVES&#8221; tab_id=&#8221;1741471863589-f7dae3de-0ffc&#8221;][vc_single_image image=&#8221;3630&#8243; img_size=&#8221;1128X342&#8243; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1741474394587{background-color: var(&#8211;porto-light-color) !important;border-color: var(&#8211;porto-light-color) !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1741473090004{background-color: #ffffff !important;border-color: #ffffff !important;}&#8221;]<\/p>\n<h4>DUAL PLATE CHECK VALVE (WAFER &#8211; LUG &#8211; DOUBLE FLANGED)<\/h4>\n<p>Dual\u00a0Plate\u00a0Check\u00a0Valves\u00a0are\u00a0designed\u00a0to\u00a0prevent\u00a0backflow\u00a0in\u00a0piping\u00a0systems.\u00a0They\u00a0feature\u00a0two\u00a0spring-loaded\u00a0plates\u00a0hinged\u00a0on\u00a0a\u00a0central\u00a0pin,\u00a0which\u00a0open\u00a0to\u00a0allow\u00a0flow\u00a0in\u00a0one\u00a0direction\u00a0and\u00a0close\u00a0to\u00a0prevent\u00a0reverse\u00a0flow.<\/p>\n<p>Dimension:\u00a0 2&#8243; &#8211; 24&#8243;<\/p>\n<p>Pressure:\u00a0 \u00a0 \u00a0 \u00a0Class 150 \/ 300 \/ 600 \/ 900 \/ 1500 \/ 2500<\/p>\n<p><strong>Standards:<\/strong><\/p>\n<p><strong>Design Standard: API 594<br \/>\nMetal to metal seating for inherent fire safety<br \/>\nComply with ASME B 16.5<br \/>\nASME B16.34 Pressure\/Temperature ratings<br \/>\nRetainerless design as standard, no leak path to atmosphere<br \/>\nPED 2014\/68\/EU (Cat III and below)<br \/>\nResilient seat option<\/strong><\/p>\n<p>Dual Plate Check Valves offer several benefits, including reduced weight, cost-efficiency, and reliable performance. They are available in various materials, such as carbon steel, stainless steel, and alloy steel, to suit different applications.<\/p>\n<h5>Download Datasheet<\/h5>\n<p><a href=\"https:\/\/govalit.com\/index.php\/check-valves-swing-dual-plate-wafer\/dual-plate-check-wafer-lug-duble-flange\/\" rel=\"attachment wp-att-3632\">Dual PLate check wafer lug duble flange<\/a>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Ductile Iron Swing Check&#8221; tab_id=&#8221;1740235861496-712060de-a51a&#8221;][vc_single_image image=&#8221;3563&#8243; img_size=&#8221;340&#215;310&#8243; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1741470821352{background-color: #ffffff !important;border-color: #ffffff !important;}&#8221;][vc_column_text css=&#8221;&#8221;]<strong>Ductile Iron Swing Check Valve<\/strong><\/p>\n<p>Dimension:\u00a0 DN 40 &#8211; DN 1200<\/p>\n<p>Pressure:\u00a0 \u00a0 \u00a0 \u00a0PN 10 \/ PN 16<\/p>\n<p>Body:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Ductile Iron \/ Cast Iron<\/p>\n<p>Disc:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 STEEL + EPDM \/ NBR , Ductile Iron , Cast Iron<\/p>\n<p><strong>Standards:<\/strong><\/p>\n<p>Design: EN 1074-3<\/p>\n<p>Flanges: EN 1092-1<\/p>\n<p>Face to Face: EN 558 Series 48<\/p>\n<p>Hydrotest:\u00a0 \u00a0 \u00a0 EN 12266-1 (ISO 5208)<\/p>\n<p>A Swing Check Valve is a type of check valve designed to allow fluid flow in one direction while preventing backflow in the opposite direction. It is commonly used in piping systems to protect pumps, compressors, and other equipment from damage caused by reverse flow. The valve operates automatically, using a hinged disc (or &#8220;swing&#8221;) that opens and closes based on the flow of the fluid.<\/p>\n<h3><strong>How It Works:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>Flow Direction<\/strong>:\n<ul>\n<li>When fluid flows in the desired direction, the pressure of the flow pushes the disc open, allowing the fluid to pass through.<\/li>\n<li>When the flow stops or reverses, the disc swings back to its closed position due to gravity or a spring mechanism, preventing backflow.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Hinged Disc Design<\/strong>:\n<ul>\n<li>The disc is attached to a hinge or pivot point at the top of the valve body, allowing it to swing freely.<\/li>\n<li>The disc seals against a seat when closed, creating a tight seal to prevent leakage.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Automatic Operation<\/strong>:\n<ul>\n<li>The valve operates automatically based on the flow direction, requiring no external power or manual intervention.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Key Features:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>Simple Design<\/strong>:\n<ul>\n<li>Consists of a valve body, a hinged disc, and a seat, making it easy to manufacture and maintain.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Low Pressure Drop<\/strong>:\n<ul>\n<li>When fully open, the disc moves out of the flow path, minimizing resistance and pressure drop.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Versatility<\/strong>:\n<ul>\n<li>Suitable for a wide range of applications, including water, oil, gas, and steam systems.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Durable Construction<\/strong>:\n<ul>\n<li>Available in materials like cast iron, stainless steel, brass, and PVC, depending on the application and fluid type.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Bidirectional Sealing (Optional)<\/strong>:\n<ul>\n<li>Some swing check valves are designed to seal in both directions, providing additional protection against backflow.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Applications:<\/strong><\/h3>\n<ul>\n<li><strong>Water and Wastewater Systems<\/strong>: To prevent backflow in pipelines and protect pumps.<\/li>\n<li><strong>Oil and Gas Industry<\/strong>: In pipelines to ensure one-directional flow and protect equipment.<\/li>\n<li><strong>HVAC Systems<\/strong>: To prevent reverse flow in heating and cooling systems.<\/li>\n<li><strong>Chemical and Process Industries<\/strong>: For handling corrosive or high-temperature fluids.<\/li>\n<li><strong>Power Plants<\/strong>: In steam and condensate systems to prevent backflow.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Ductile Iron Dual Plate Wafer&#8221; tab_id=&#8221;1740237964744-2d047794-4f73&#8243;][vc_single_image image=&#8221;3565&#8243; img_size=&#8221;340&#215;310&#8243; alignment=&#8221;center&#8221; css=&#8221;.vc_custom_1740238793467{background-color: #ffffff !important;border-color: #ffffff !important;}&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<h4>Dual Plate Wafer Check Valve<\/h4>\n<p>Dimension:\u00a0 DN 40 &#8211; DN 300<\/p>\n<p>Pressure:\u00a0 \u00a0 \u00a0 \u00a0PN 10 \/ PN 16<\/p>\n<p>Body:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Ductile Iron \/ Cast Iron<\/p>\n<p>Disc:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Stainless Steel \/ Ductile Iron \/ Bronze Aluminium<\/p>\n<p><strong>Standards:<\/strong><\/p>\n<p>Design: EN 1074-3<\/p>\n<p>Flanges: EN 1092-1<\/p>\n<p>Face to Face: EN 558 Series 16<\/p>\n<p>Hydrotest:\u00a0 \u00a0 \u00a0 EN 12266-1 (ISO 5208)<\/p>\n<p>Dual Plate Wafer Check Valve\u00a0designed with a wafer-style body, making it lightweight, compact, and easy to install between flanges in a piping system. It combines the benefits of a dual plate check valve (fast closure, low pressure drop, and compact design) with the simplicity and cost-effectiveness of a wafer-style valve. This type of valve is widely used in industries where space and weight are critical considerations.<\/p>\n<h3><strong>How It Works:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>Flow Direction<\/strong>:\n<ul>\n<li>When fluid flows in the desired direction, the pressure of the flow pushes the two spring-loaded plates open, allowing the fluid to pass through.<\/li>\n<li>When the flow stops or reverses, the plates quickly close due to the spring force, preventing backflow.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Wafer Design<\/strong>:\n<ul>\n<li>The valve is designed to fit between two pipeline flanges, held in place by bolts. It does not have its own flanges, which reduces weight and cost.<\/li>\n<li>The wafer design ensures a tight seal between the valve and the pipeline flanges.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Spring-Loaded Plates<\/strong>:\n<ul>\n<li>The two plates are hinged in the center and held in the closed position by springs, ensuring rapid closure and minimizing water hammer.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Key Features:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>Compact and Lightweight<\/strong>:\n<ul>\n<li>The wafer design eliminates the need for additional flanges, making the valve lighter and more space-efficient.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Fast Closure<\/strong>:\n<ul>\n<li>The spring-loaded plates close quickly, reducing the risk of water hammer and protecting the system from damage.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Low Pressure Drop<\/strong>:\n<ul>\n<li>When fully open, the plates create minimal obstruction to flow, resulting in low pressure drop and high flow efficiency.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Easy Installation<\/strong>:\n<ul>\n<li>The wafer design allows the valve to be installed between flanges, simplifying installation and reducing costs.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Durable Construction<\/strong>:\n<ul>\n<li>Available in materials like carbon steel, stainless steel, and alloy steels, depending on the application and fluid type.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Applications:<\/strong><\/h3>\n<ul>\n<li><strong>Water and Wastewater Systems<\/strong>: To prevent backflow in pipelines and protect pumps.<\/li>\n<li><strong>Oil and Gas Industry<\/strong>: In pipelines to ensure one-directional flow and protect equipment.<\/li>\n<li><strong>Power Plants<\/strong>: In steam and condensate systems to prevent backflow.<\/li>\n<li><strong>Chemical and Process Industries<\/strong>: For handling corrosive or high-temperature fluids.<\/li>\n<li><strong>HVAC Systems<\/strong>: To prevent reverse flow in heating and cooling systems.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Ductile Iron Ball Check Valves&#8221; tab_id=&#8221;1740237167455-7ff507b4-b4ed&#8221;][vc_single_image image=&#8221;3567&#8243; img_size=&#8221;600&#215;335&#8243; alignment=&#8221;center&#8221; css=&#8221;&#8221;][vc_column_text css=&#8221;.vc_custom_1740238824232{background-color: #ffffff !important;border-color: #ffffff !important;}&#8221;]<\/p>\n<h4>Ductile Iron Ball Check Valves<\/h4>\n<p>Dimension:\u00a0 DN 50 &#8211; DN 600<\/p>\n<p>Pressure:\u00a0 \u00a0 \u00a0 \u00a0PN 10 \/ PN 16<\/p>\n<p>Body:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Ductile Iron \/ Cast Iron<\/p>\n<p>Ball:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Carbon Steel+ NBR or Ductile Iron + NBR<\/p>\n<p><strong>Standards:<\/strong><\/p>\n<p>Design: EN 12334<\/p>\n<p>Flanges: EN 1092-2<\/p>\n<p>Hydrotest:\u00a0 \u00a0 \u00a0 EN 12266-1 (ISO 5208)<\/p>\n<p><strong>Ductile Iron Ball Check Valves<\/strong>\u00a0are a type of check valve designed to prevent backflow in piping systems. They use a free-floating or spring-loaded ball as the closing mechanism, which moves in response to fluid flow. When the flow stops or reverses, the ball seats itself against the valve&#8217;s sealing surface, blocking reverse flow. Ductile iron construction makes these valves robust, durable, and suitable for a wide range of applications, particularly in water, wastewater, and industrial systems.<\/p>\n<h3><strong>How It Works:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>Flow Direction<\/strong>:\n<ul>\n<li>When fluid flows in the desired direction, the pressure of the flow pushes the ball away from the seat, allowing the fluid to pass through.<\/li>\n<li>When the flow stops or reverses, the ball returns to its seat, either by gravity or with the help of a spring, preventing backflow.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ball Mechanism<\/strong>:\n<ul>\n<li>The ball is typically made of metal, rubber-coated metal, or synthetic materials, depending on the application.<\/li>\n<li>The sealing surface is designed to provide a tight seal when the ball is in the closed position.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ductile Iron Construction<\/strong>:\n<ul>\n<li>Ductile iron, also known as nodular cast iron, provides excellent strength, durability, and corrosion resistance, making it ideal for demanding environments.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Key Features:<\/strong><\/h3>\n<ol start=\"1\">\n<li><strong>Durable Construction<\/strong>:\n<ul>\n<li>Ductile iron body provides high strength and resistance to impact, making it suitable for high-pressure and heavy-duty applications.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tight Sealing<\/strong>:\n<ul>\n<li>The ball and seat design ensures a bubble-tight seal, preventing leakage and backflow.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Low Maintenance<\/strong>:\n<ul>\n<li>Simple design with few moving parts reduces the need for frequent maintenance.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Versatility<\/strong>:\n<ul>\n<li>Suitable for a wide range of fluids, including water, wastewater, oil, and gas.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Compact Design<\/strong>:\n<ul>\n<li>Typically smaller and lighter than other types of check valves, such as swing check valves.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Optional Spring Assistance<\/strong>:\n<ul>\n<li>Some models include a spring to assist in closing the ball, ensuring faster response and reducing water hammer.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Applications:<\/strong><\/h3>\n<ul>\n<li><strong>Water and Wastewater Systems<\/strong>: To prevent backflow in pipelines and protect pumps.<\/li>\n<li><strong>Industrial Processes<\/strong>: In chemical, oil, and gas industries for handling corrosive or high-pressure fluids.<\/li>\n<li><strong>Irrigation Systems<\/strong>: To maintain efficient water flow and prevent backflow.<\/li>\n<li><strong>Fire Protection Systems<\/strong>: To ensure one-directional flow in firefighting water systems.<\/li>\n<li><strong>HVAC Systems<\/strong>: To prevent reverse flow in heating and cooling systems.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][\/vc_tta_tabs][\/vc_column][\/vc_row][vc_row][vc_column]\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f74-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"74\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/index.php\/wp-json\/wp\/v2\/pages\/2986#wpcf7-f74-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"74\" \/><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-f74-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<h2 class=\"short mb-2\"><b>Contact<\/b> Us<\/h2>\n<p class=\"mb-5\">Feel free to ask for details, don't save any questions!<\/p>\n<div class=\"row form-row\">\n    <div class=\"col-lg-6\">\n        <div class=\"form-group\">\n            <label for=\"contact-name\" class=\"font-weight-bold text-dark\">Your name *<\/label>\n            <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=\"contact-name\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n        <\/div>\n    <\/div>\n    <div class=\"col-lg-6\">\n        <div class=\"form-group\">\n            <label for=\"contact-email\" class=\"font-weight-bold text-dark\">Your email address *<\/label>\n            <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=\"contact-email\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n        <\/div>\n    <\/div>\n    <div class=\"col-lg-12\">\n        <div class=\"form-group\">\n            <label for=\"contact-subject\" class=\"font-weight-bold text-dark\">Subject<\/label>\n            <span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text form-control\" id=\"contact-subject\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n        <\/div>\n    <\/div>\n    <div class=\"col-lg-12\">\n        <div class=\"form-group\">\n            <label for=\"contact-message\" class=\"font-weight-bold text-dark\">Your Message<\/label>\n            <span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea form-control\" id=\"contact-message\" aria-invalid=\"false\" name=\"your-message\"><\/textarea><\/span>\n        <\/div>\n    <\/div>\n    <div class=\"col-lg-12\">\n        <div class=\"form-group\">\n            <input class=\"wpcf7-form-control wpcf7-submit has-spinner btn btn-primary btn-modern\" type=\"submit\" value=\"Send Message\" \/>\n        <\/div>\n    <\/div>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row css=&#8221;.vc_custom_1740238586590{background-color: #ffffff !important;border-color: #ffffff !important;}&#8221; conditional_render=&#8221;%5B%7B%22value_role%22%3A%22administrator%22%7D%5D&#8221;][vc_column][vc_column_text css=&#8221;&#8221;]A check valve is a type of valve that allows fluid (liquid or gas) to flow in one direction only. It prevents backflow, ensuring that the fluid moves efficiently and does not return to the source or damage equipment. A check valve operates automatically, using the pressure of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-2986","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CHECK VALVES - Goval Italy<\/title>\n<meta name=\"description\" content=\"CHECK VALVES TYPE DUAL PLATE, WAFER, LUG, DOUBLE FLANGED CHECK VALVE , SWING CHECK VALVE , DUCTILE IRON CARBON STEEL STAINLESS STEEL\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/govalit.com\/index.php\/check-valves-swing-dual-plate-wafer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CHECK VALVES - 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