{"id":2187,"date":"2019-01-07T07:28:47","date_gmt":"2019-01-07T08:28:47","guid":{"rendered":"https:\/\/isatis-fa.com\/?p=2187"},"modified":"2020-02-19T12:00:34","modified_gmt":"2020-02-19T13:00:34","slug":"%da%86%da%a9-%d9%88%d9%84%d9%88-check-valve","status":"publish","type":"post","link":"https:\/\/isatis-fa.com\/en\/%da%86%da%a9-%d9%88%d9%84%d9%88-check-valve\/","title":{"rendered":"check valve"},"content":{"rendered":"<h2 style=\"text-align: right;\" class=\"translation-block\"><span style=\"font-size: 14px;color: #000000\"><strong> <\/strong><strong>Check Valve<\/strong><strong> : <\/strong><\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"font-size: 14px; color: #000000;\">In check valves, the fluid can flow in only one direction. If the flow direction reverses, the valve closes completely. These valves do not have an actuator or handwheel, and the opening and closing occurs automatically based on the fluid flow direction.<\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"font-size: 14px; color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2189\" src=\"https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve1.jpg\" alt=\"check-valve1\" width=\"250\" height=\"127\" srcset=\"https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve1.jpg 730w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve1-300x152.jpg 300w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve1-150x76.jpg 150w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve1-50x25.jpg 50w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve1-600x305.jpg 600w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/><\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"font-size: 14px; color: #000000;\"> Check valves are used in processes where the backflow of fluid in the undesired direction is likely, which could disrupt system operation. <\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"font-size: 14px; color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2188\" src=\"https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve2.jpg\" alt=\"check-valve2\" width=\"265\" height=\"204\" srcset=\"https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve2.jpg 265w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve2-150x115.jpg 150w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2019\/01\/check-valve2-50x38.jpg 50w\" sizes=\"(max-width: 265px) 100vw, 265px\" \/><\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"font-size: 14px; color: #000000;\">One of the most important applications of check valves is installing them before a pump to prevent backflow of fluid after the pump is turned off. <\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"font-size: 14px; color: #000000;\">An important concept in check valves is the cracking pressure, which is the minimum upstream pressure required to open the valve and allow fluid to flow in the intended direction.<\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"color: #000000;\">\u00a0<\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"color: #000000;\">\u00a0<\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"color: #000000;\">\u00a0<\/span><\/h2>\n<h2 style=\"text-align: right;\"><span style=\"color: #000000;\">\u00a0<\/span><\/h2>","protected":false},"excerpt":{"rendered":"<p>Check Valve:\nIn check valves, the fluid is allowed to flow only in one direction, and if the direction [...]<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>","protected":false},"author":2,"featured_media":3286,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.4 (Yoast SEO v22.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0686\u06a9 \u0648\u0644\u0648,\u0634\u06cc\u0631 \u06cc\u06a9\u0637\u0631\u0641\u0647\u060c check valve\u060c \u0648\u0644\u0648\u0648\u06cc\u0644\u0627\u06a9\u060c \u0646\u0645\u0627\u06cc\u0646\u062f\u06af\u06cc \u0648\u06cc\u0644\u0627\u06a9\u060c \u0648\u0644\u0648 \u0645\u0646\u06cc\u0641\u0648\u0644\u062f \u0648\u06cc\u0644\u0627\u06a9,<\/title>\n<meta name=\"description\" content=\"\u062f\u0631 \u0634\u06cc\u0631\u0647\u0627\u06cc \u06cc\u06a9 \u0637\u0631\u0641\u0647 \u06cc\u0627 \u0686\u06a9 \u0648\u0644\u0648 \u0647\u0627 \u0633\u06cc\u0627\u0644 \u062a\u0646\u0647\u0627 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