{"id":8794,"date":"2026-01-06T21:12:38","date_gmt":"2026-01-06T13:12:38","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=8794"},"modified":"2026-02-04T15:51:29","modified_gmt":"2026-02-04T07:51:29","slug":"a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/","title":{"rendered":"A105N Swing Check Valve API 602 3 inch 800 lb SW End"},"content":{"rendered":"<section id=\"introduction\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\" style=\"cursor:inherit\">Table of 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\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" 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><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#A105N_Swing_Check_Valve_API_602_3_inch_800_lb_SW_End\" >A105N Swing Check Valve API 602 3 inch 800 lb SW End<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Key_Features_Benefits\" >Key Features &amp; Benefits<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Need_Technical_Assistance\" >Need Technical Assistance?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Technical_Specifications\" >\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Available_Material_Options\" >Available Material Options<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Applications\" >\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Oil_Gas_Processing\" >Oil &amp; Gas Processing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Chemical_Manufacturing\" >Chemical Manufacturing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Power_Generation\" >Power Generation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Mining_Operations\" >Mining Operations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Water_Treatment\" >\u041e\u0447\u0438\u0441\u0442\u043a\u0430 \u0432\u043e\u0434\u044b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#What_is_the_primary_function_of_a_swing_check_valve\" >What is the primary function of a swing check valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Why_choose_a_socket_weld_SW_end_connection\" >Why choose a socket weld (SW) end connection?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Why_Choose_Our_A105N_Swing_Check_Valve\" >Why Choose Our A105N Swing Check Valve<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Advantages\" >\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Ready_to_Order_Your_A105N_Swing_Check_Valve\" >Ready to Order Your A105N Swing Check Valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Ordering_Information\" >Ordering Information<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Need_Immediate_Assistance\" >Need Immediate Assistance?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.stvvalves.com\/ru\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/#Conclusion\" >\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"A105N_Swing_Check_Valve_API_602_3_inch_800_lb_SW_End\"><\/span>A105N Swing Check Valve API 602 3 inch 800 lb SW End<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>The A105N Swing Check Valve is an essential component in high-pressure fluid systems, designed to prevent backflow and protect equipment from damage. Built to API 602 standards with a 3-inch diameter and 800 lb pressure rating, this socket weld (SW) end valve delivers exceptional performance in demanding environments. Ideal for oil and gas processing, chemical manufacturing, power generation, and other industrial applications where reliability is non-negotiable.<\/p>\n<div class=\"img-container\">\n<div class=\"image-embed\" data-image=\"%7B%22src%22%3A%22https%3A%2F%2Fstorage.googleapis.com%2F48877118-7272-4a4d-b302-0465d8aa4548%2F7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3%2F73368bf3-1123-4a51-90f5-5ea41e4a157f.jpg%22%2C%22title%22%3A%22A105N%20Swing%20Check%20Valve%20API%20602%203%20inch%20800%20lb%20SW%20End%20front%20view%20showing%20socket%20weld%20connections%22%2C%22method%22%3A%22text-to-image%22%2C%22generator%22%3A%222%22%2C%22date%22%3A1767663262759%7D\">\n<div class=\"_Media_1itgw_1 _ImageEmbed_1itgw_28\">\n<p><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/48877118-7272-4a4d-b302-0465d8aa4548\/7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3\/73368bf3-1123-4a51-90f5-5ea41e4a157f.jpg\" alt=\"A105N Swing Check Valve API 602 3 inch 800 lb SW End front view showing socket weld connections\" \/><\/p>\n<div class=\"_Buttons_1itgw_5\" contenteditable=\"false\" data-media=\"true\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"key-features\">\n<h2><span class=\"ez-toc-section\" id=\"Key_Features_Benefits\"><\/span>Key Features &amp; Benefits<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"two-columns\">\n<div>\n<div class=\"img-container\">\n<div class=\"image-embed\" data-image=\"%7B%22src%22%3A%22https%3A%2F%2Fstorage.googleapis.com%2F48877118-7272-4a4d-b302-0465d8aa4548%2F7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3%2Ff2a8a500-1951-483c-9660-c0cf61d258df.jpg%22%2C%22title%22%3A%22A105N%20Swing%20Check%20Valve%20internal%20mechanism%20showing%20swing%20disc%20and%20seat%22%2C%22method%22%3A%22text-to-image%22%2C%22generator%22%3A%222%22%2C%22date%22%3A1767663262659%7D\">\n<div class=\"_Media_1itgw_1 _ImageEmbed_1itgw_28\">\n<p><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/48877118-7272-4a4d-b302-0465d8aa4548\/7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3\/f2a8a500-1951-483c-9660-c0cf61d258df.jpg\" alt=\"A105N Swing Check Valve internal mechanism showing swing disc and seat\" \/><\/p>\n<div class=\"_Buttons_1itgw_5\" contenteditable=\"false\" data-media=\"true\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<ul class=\"custom-list\">\n<li><strong>Premium Material Construction:<\/strong>\u00a0Manufactured from A105N forged carbon steel, providing excellent strength, durability, and resistance to high-pressure and high-temperature conditions.<\/li>\n<li><strong>API 602 Compliance:<\/strong>\u00a0Fully adheres to API 602 standards for steel gate, globe, and check valves for refineries, petrochemical plants, and related facilities.<\/li>\n<li><strong>High-Pressure Rating:<\/strong>\u00a0800 lb pressure class ensures reliable performance in demanding industrial environments.<\/li>\n<li><strong>Socket Weld End Connection:<\/strong>\u00a0Provides a secure, leak-tight joint that maintains system integrity under pressure.<\/li>\n<li><strong>Swing Check Design:<\/strong>\u00a0Offers lower pressure drop compared to other check valve types, with self-cleaning action during operation.<\/li>\n<li><strong>Bolted Bonnet Construction:<\/strong>\u00a0Facilitates easier maintenance and inspection when required.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"img-container\"><\/div>\n<div class=\"cta-block\">\n<h3 class=\"cta-block-title\"><span class=\"ez-toc-section\" id=\"Need_Technical_Assistance\"><\/span>Need Technical Assistance?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"cta-block-text\">Our engineering team is available to help you select the right valve for your specific application requirements.<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/www.stvvalves.com\/ru\/contact-us\/\" rel=\"nofollow\" data-link=\"true\" data-id=\"1\">Contact Our Engineers<\/a><\/p>\n<\/div>\n<\/section>\n<section id=\"technical-specifications\">\n<h2><span class=\"ez-toc-section\" id=\"Technical_Specifications\"><\/span>\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"table-container\">\n<table class=\"responsive-table responsive-table-bordered\">\n<thead>\n<tr>\n<td data-row=\"head\">\u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f<\/td>\n<td data-row=\"head\">Details<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Specification\">\u043d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0442\u043e\u0432\u0430\u0440\u0430<\/td>\n<td data-label=\"Details\">A105N Swing Check Valve, API 602, 3 Inch, 800 LB, SW End<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">Body Material<\/td>\n<td data-label=\"Details\">ASTM A105N Forged Carbon Steel<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">Nominal Size<\/td>\n<td data-label=\"Details\">3 Inch (DN80)<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">Pressure Class<\/td>\n<td data-label=\"Details\">800 LB (PN130)<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">\u041a\u043e\u043d\u0446\u0435\u0432\u043e\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435<\/td>\n<td data-label=\"Details\">Socket Weld (SW)<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0434\u0438\u0437\u0430\u0439\u043d\u0430<\/td>\n<td data-label=\"Details\">API 602<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">\u041b\u0438\u0446\u043e\u043c \u043a \u043b\u0438\u0446\u0443<\/td>\n<td data-label=\"Details\">Manufacturer Standard, ASME B16.10<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">Testing Standard<\/td>\n<td data-label=\"Details\">API 598, \u0418\u0421\u041e 5208<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">\u0420\u0430\u0431\u043e\u0447\u0430\u044f \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430<\/td>\n<td data-label=\"Details\">-29\u00b0C to 425\u00b0C<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">Port Type<\/td>\n<td data-label=\"Details\">\u041f\u043e\u0440\u0442 \u0440\u0435\u0434\u0443\u043a\u0442\u043e\u0440\u0430<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Specification\">Suitable Media<\/td>\n<td data-label=\"Details\">Water, Natural Gas, Oil, and some corrosive liquids<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"img-container\">\n<div class=\"image-embed\" data-image=\"%7B%22src%22%3A%22https%3A%2F%2Fstorage.googleapis.com%2F48877118-7272-4a4d-b302-0465d8aa4548%2F7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3%2Fa425eeb5-58d6-4a53-b427-6ac7ffbd5d97.jpg%22%2C%22title%22%3A%22A105N%20Swing%20Check%20Valve%20API%20602%20dimensional%20drawing%20showing%20specifications%22%2C%22method%22%3A%22text-to-image%22%2C%22generator%22%3A%222%22%2C%22date%22%3A1767663262459%7D\">\n<div class=\"_Media_1itgw_1 _ImageEmbed_1itgw_28\">\n<p><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/48877118-7272-4a4d-b302-0465d8aa4548\/7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3\/a425eeb5-58d6-4a53-b427-6ac7ffbd5d97.jpg\" alt=\"A105N Swing Check Valve API 602 dimensional drawing showing specifications\" \/><\/p>\n<div class=\"_Buttons_1itgw_5\" contenteditable=\"false\" data-media=\"true\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Available_Material_Options\"><\/span>Available Material Options<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"table-container\">\n<table class=\"responsive-table responsive-table-striped\">\n<thead>\n<tr>\n<td data-row=\"head\">Material Code<\/td>\n<td data-row=\"head\">\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/td>\n<td data-row=\"head\">\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Material Code\">ASTM A105N<\/td>\n<td data-label=\"Description\">\u0423\u0433\u043b\u0435\u0440\u043e\u0434\u0438\u0441\u0442\u0430\u044f \u0441\u0442\u0430\u043b\u044c<\/td>\n<td data-label=\"Application\">General purpose, oil &amp; gas, power generation<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Material Code\">ASTM A182 F304\/F304L<\/td>\n<td data-label=\"Description\">\u041d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0430\u044f \u0441\u0442\u0430\u043b\u044c<\/td>\n<td data-label=\"Application\">Corrosive environments, chemical processing<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Material Code\">ASTM A182 F316\/F316L<\/td>\n<td data-label=\"Description\">\u041d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0430\u044f \u0441\u0442\u0430\u043b\u044c<\/td>\n<td data-label=\"Application\">Highly corrosive environments, marine applications<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Material Code\">ASTM A350 LF2<\/td>\n<td data-label=\"Description\">Low-Temperature Carbon Steel<\/td>\n<td data-label=\"Application\">Low-temperature services, cryogenic applications<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Material Code\">ASTM A182 F11\/F22<\/td>\n<td data-label=\"Description\">Alloy Steel<\/td>\n<td data-label=\"Application\">High-temperature services, power plants<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Material Code\">\u0410\u0421\u0422\u041c \u0410182 \u042451<\/td>\n<td data-label=\"Description\">Duplex Stainless Steel<\/td>\n<td data-label=\"Application\">Highly corrosive environments with mechanical stress<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"img-container\">\n<div class=\"image-embed\" data-image=\"%7B%22src%22%3A%22https%3A%2F%2Fstorage.googleapis.com%2F48877118-7272-4a4d-b302-0465d8aa4548%2F7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3%2Fea1c0109-266b-45a1-bf14-c77f3e7ac86f.jpg%22%2C%22title%22%3A%22A105N%20Swing%20Check%20Valve%20material%20cross-section%20showing%20forged%20steel%20construction%22%2C%22method%22%3A%22text-to-image%22%2C%22generator%22%3A%222%22%2C%22date%22%3A1767663262359%7D\">\n<div class=\"_Media_1itgw_1 _ImageEmbed_1itgw_28\">\n<p><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/48877118-7272-4a4d-b302-0465d8aa4548\/7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3\/ea1c0109-266b-45a1-bf14-c77f3e7ac86f.jpg\" alt=\"A105N Swing Check Valve material cross-section showing forged steel construction\" \/><\/p>\n<div class=\"_Buttons_1itgw_5\" contenteditable=\"false\" data-media=\"true\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"applications\">\n<h2><span class=\"ez-toc-section\" id=\"Applications\"><\/span>\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"three-columns\">\n<div class=\"column-card\">\n<div class=\"img-container\"><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Oil_Gas_Processing\"><\/span>Oil &amp; Gas Processing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Prevents backflow in high-pressure pipelines, protecting pumps and compressors in refineries and processing facilities. Ensures one-way flow in critical transfer lines and prevents contamination between process streams.<\/p>\n<\/div>\n<div class=\"column-card\">\n<div class=\"img-container\"><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Manufacturing\"><\/span>Chemical Manufacturing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Maintains process integrity in chemical production lines by preventing reverse flow of reactive materials. The forged steel construction provides excellent resistance to a wide range of chemical media under high pressure.<\/p>\n<\/div>\n<div class=\"column-card\">\n<div class=\"img-container\"><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Power_Generation\"><\/span>Power Generation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Protects critical equipment in steam and feedwater systems. Prevents water hammer in high-pressure steam lines and protects turbines and pumps from damage due to reverse flow conditions.<\/p>\n<\/div>\n<\/div>\n<div class=\"two-columns\">\n<div class=\"column-card\">\n<div class=\"img-container\"><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Mining_Operations\"><\/span>Mining Operations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ensures reliable operation in slurry transport systems and high-pressure water lines. The robust construction withstands abrasive media while maintaining system integrity in demanding environments.<\/p>\n<\/div>\n<div class=\"column-card\">\n<div class=\"img-container\"><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Water_Treatment\"><\/span>\u041e\u0447\u0438\u0441\u0442\u043a\u0430 \u0432\u043e\u0434\u044b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Prevents backflow in high-pressure water distribution systems and protects pumps from reverse flow damage. Maintains system integrity in critical water processing applications where reliability is essential.<\/p>\n<\/div>\n<\/div>\n<div class=\"img-container\"><\/div>\n<div class=\"faq-container\">\n<div class=\"faq-item\">\n<h3 class=\"faq-question\"><span class=\"ez-toc-section\" id=\"What_is_the_primary_function_of_a_swing_check_valve\"><\/span>What is the primary function of a swing check valve?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"faq-answer\">\n<p>\u0410<a href=\"https:\/\/www.stvvalves.com\/ru\/products\/a105n-swing-check-valve-api-602-3-inch-800-lb-sw-end\/\"> \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0442\u043d\u044b\u0439 \u043a\u043b\u0430\u043f\u0430\u043d<\/a> automatically prevents reverse flow in a piping system. When flow moves in the intended direction, the disc swings open to allow passage. When flow attempts to reverse, pressure pushes the disc against the seat, creating a seal that prevents backflow. This protects equipment from damage and maintains system integrity.<\/p>\n<\/div>\n<\/div>\n<div class=\"faq-item\">\n<h3 class=\"faq-question\"><span class=\"ez-toc-section\" id=\"Why_choose_a_socket_weld_SW_end_connection\"><\/span>Why choose a socket weld (SW) end connection?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"faq-answer\">\n<p>Socket weld connections provide superior joint strength and leak resistance compared to threaded connections, especially in high-pressure applications. They create a smooth internal flow path that reduces turbulence and pressure drop. For critical services where joint integrity is paramount, socket weld connections offer excellent reliability and safety.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"why-choose\">\n<h2><span class=\"ez-toc-section\" id=\"Why_Choose_Our_A105N_Swing_Check_Valve\"><\/span>Why Choose Our A105N Swing Check Valve<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"pros-cons\">\n<div class=\"pros\">\n<h3 class=\"pros-title\"><span class=\"ez-toc-section\" id=\"Advantages\"><\/span>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Manufactured to strict API 602 standards ensuring quality and reliability<\/li>\n<li>Forged steel construction provides superior strength and pressure containment<\/li>\n<li>Comprehensive testing to API 598 standards for guaranteed performance<\/li>\n<li>Lower pressure drop design improves system efficiency<\/li>\n<li>Self-cleaning action during normal operation reduces maintenance<\/li>\n<li>Wide temperature range capability (-29\u00b0C to 425\u00b0C)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"img-container\"><\/div>\n<div class=\"rating-container\">\n<div class=\"rating-overall\"><\/div>\n<div class=\"rating-details\">\n<div class=\"rating-item\">\n<div class=\"rating-value\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cta-block\">\n<h3 class=\"cta-block-title\"><span class=\"ez-toc-section\" id=\"Ready_to_Order_Your_A105N_Swing_Check_Valve\"><\/span>Ready to Order Your A105N Swing Check Valve?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"cta-block-text\">Our valves are manufactured to the highest standards with a production capacity of 6000 tons per year. Standard delivery time is 30 days with shipping available worldwide.<\/p>\n<p><a class=\"cta-btn cta-btn-large\" href=\"https:\/\/www.stvvalves.com\/ru\/contact-us\/\" rel=\"nofollow\" data-link=\"true\" data-id=\"2\">Request a Quote<\/a><\/p>\n<\/div>\n<div class=\"blockquote\">\n<p>&#8220;The A105N Swing Check Valves we installed in our refinery&#8217;s high-pressure system have performed flawlessly for over three years in continuous operation. Their reliability has significantly reduced our maintenance downtime and associated costs.&#8221;<\/p>\n<div class=\"blockquote-author\">&#8211; Senior Process Engineer, Global Petroleum Corporation<\/div>\n<\/div>\n<\/section>\n<section id=\"ordering-information\">\n<h3><span class=\"ez-toc-section\" id=\"Ordering_Information\"><\/span>Ordering Information<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"table-container\">\n<table class=\"responsive-table\">\n<thead>\n<tr>\n<td data-row=\"head\">Parameter<\/td>\n<td data-row=\"head\">Details<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Parameter\">\u0421\u0440\u043e\u043a \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438<\/td>\n<td data-label=\"Details\">30 Days Standard (Expedited options available)<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Parameter\">Packaging<\/td>\n<td data-label=\"Details\">\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0439 \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u043d\u044b\u0439 \u0444\u0430\u043d\u0435\u0440\u043d\u044b\u0439 \u044f\u0449\u0438\u043a<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Parameter\">\u0423\u0441\u043b\u043e\u0432\u0438\u044f \u0434\u043e\u0441\u0442\u0430\u0432\u043a\u0438<\/td>\n<td data-label=\"Details\">EXW, FOB, CFR, CIF (per customer requirement)<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Parameter\">\u0423\u0441\u043b\u043e\u0432\u0438\u044f \u043e\u043f\u043b\u0430\u0442\u044b<\/td>\n<td data-label=\"Details\">30% prepayment, 70% balance before shipping<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Parameter\">Minimum Order Quantity<\/td>\n<td data-label=\"Details\">10 \u0448\u0442\/\u0440\u0430\u0437\u043c\u0435\u0440<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Parameter\">Certification<\/td>\n<td data-label=\"Details\">API 602, Material Certificates, Test Reports<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"img-container\">\n<div class=\"image-embed\" data-image=\"%7B%22src%22%3A%22https%3A%2F%2Fstorage.googleapis.com%2F48877118-7272-4a4d-b302-0465d8aa4548%2F7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3%2Fedbfb28f-8eb1-4cf8-a1e7-3c99a940aab2.jpg%22%2C%22title%22%3A%22A105N%20Swing%20Check%20Valve%20packaging%20and%20shipping%20preparation%22%2C%22method%22%3A%22text-to-image%22%2C%22generator%22%3A%222%22%2C%22date%22%3A1767663261560%7D\">\n<div class=\"_Media_1itgw_1 _ImageEmbed_1itgw_28\">\n<p><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/48877118-7272-4a4d-b302-0465d8aa4548\/7c0162ef-88b5-4cf7-9ba9-cc48ad7031d3\/edbfb28f-8eb1-4cf8-a1e7-3c99a940aab2.jpg\" alt=\"A105N Swing Check Valve packaging and shipping preparation\" \/><\/p>\n<div class=\"_Buttons_1itgw_5\" contenteditable=\"false\" data-media=\"true\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<form action=\"\">\n<div class=\"form-container\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"ru\"\/><\/form>\n<\/div>\n<div class=\"cta-block\">\n<h3 class=\"cta-block-title\"><span class=\"ez-toc-section\" id=\"Need_Immediate_Assistance\"><\/span>Need Immediate Assistance?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"cta-block-text\">Contact our technical sales team directly for expedited quotes and technical support.<\/p>\n<\/div>\n<\/section>\n<section id=\"conclusion\">\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The A105N Swing Check Valve API 602 3 inch 800 lb SW End represents the pinnacle of industrial valve engineering for high-pressure applications. With its forged steel construction, compliance with rigorous API standards, and versatile performance across multiple industries, this valve delivers exceptional reliability and longevity even in the most demanding environments.<\/p>\n<p>Our commitment to quality manufacturing, comprehensive testing, and customer satisfaction ensures that you receive a product that not only meets but exceeds industry expectations. Whether for oil and gas processing, chemical manufacturing, power generation, or other critical applications, our A105N Swing Check Valve provides the performance and peace of mind that industrial professionals demand.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>A105N Swing Check Valve API 602 3 inch 800 lb SW End The A105N Swing Check Valve is an essential component in high-pressure fluid systems, designed to prevent backflow and protect equipment from damage. Built to API 602 standards with a 3-inch diameter and 800 lb pressure rating, this socket weld (SW) end valve delivers [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":8795,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[3992,3993,3998,3994,3996,3995,3997],"class_list":["post-8794","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-3-inch-swing-check-valve","tag-800lb-swing-check-valve","tag-a105n-swing-check-valve-catalog","tag-api-602-swing-check-valve","tag-bolt-bonnet-swing-check-valve","tag-bolt-bonnet-swing-check-valve-manufacturer","tag-china-a105n-swing-check-valve"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/posts\/8794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/comments?post=8794"}],"version-history":[{"count":2,"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/posts\/8794\/revisions"}],"predecessor-version":[{"id":8896,"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/posts\/8794\/revisions\/8896"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/media\/8795"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/media?parent=8794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/categories?post=8794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ru\/wp-json\/wp\/v2\/tags?post=8794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}