{"id":41867,"date":"2026-04-23T04:42:27","date_gmt":"2026-04-23T04:42:27","guid":{"rendered":"https:\/\/valve-atlas.com\/hvac-check-valves\/"},"modified":"2026-04-26T03:26:29","modified_gmt":"2026-04-26T03:26:29","slug":"hvac-check-valves","status":"publish","type":"page","link":"https:\/\/valve-atlas.com\/fr_ca\/hvac-check-valves\/","title":{"rendered":"HVAC Check Valves"},"content":{"rendered":"<style>\ndiv.va-loc { font-family: Outfit, -apple-system, sans-serif !important; max-width: 1200px !important; margin: 32px auto !important; padding: 0 24px !important; box-sizing: border-box; }\ndiv.va-loc h2 { border-bottom: 3px solid #0B5ED7 !important; padding-bottom: 8px !important; margin-top: 48px !important; margin-bottom: 20px !important; color: #021228 !important; font-size: 32px !important; }\ndiv.va-loc h3 { color: #021228 !important; margin-top: 32px !important; margin-bottom: 12px !important; font-size: 22px !important; }\ndiv.va-loc p { color: rgba(2,18,40,0.82) !important; line-height: 1.7 !important; margin-bottom: 16px !important; font-size: 17px !important; }\ndiv.va-loc ul { padding-left: 24px !important; margin: 16px 0 24px !important; }\ndiv.va-loc ul li { color: rgba(2,18,40,0.82) !important; line-height: 1.8 !important; margin-bottom: 8px !important; list-style: disc !important; font-size: 17px !important; }\ndiv.va-loc strong { color: #021228 !important; }\ndiv.va-loc a { color: #0B5ED7 !important; text-decoration: underline !important; }\ndiv.va-loc a:hover { color: #021228 !important; }\ndiv.va-loc table { border-collapse: collapse; width: 100%; margin: 24px 0; background: white; border: 1px solid #E2E8F0; border-radius: 8px; overflow: hidden; }\ndiv.va-loc table th { background: #021228; color: white; padding: 12px 16px; text-align: left; font-weight: 600; }\ndiv.va-loc table td { padding: 12px 16px; border-top: 1px solid #E2E8F0; color: rgba(2,18,40,0.82); }\ndiv.va-loc table tr:nth-child(even) td { background: #F8FAFC; }\ndiv.va-loc .va-regions { background: #F8FAFC !important; border: 1px solid #E2E8F0 !important; border-radius: 12px !important; padding: 24px 28px !important; margin: 32px 0 !important; }\ndiv.va-loc .va-regions h3 { margin-top: 0 !important; color: #021228 !important; }\ndiv.va-loc .va-regions ul { list-style: none !important; padding: 0 !important; display: grid !important; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)) !important; gap: 8px !important; }\ndiv.va-loc .va-regions ul li { list-style: none !important; margin: 0 !important; }\ndiv.va-loc .va-regions a { display: block !important; padding: 10px 14px !important; border: 1px solid #E2E8F0 !important; border-radius: 8px !important; background: white !important; color: #0B5ED7 !important; text-decoration: none !important; text-align: center !important; font-weight: 500 !important; }\ndiv.va-loc .va-regions a:hover { background: #0B5ED7 !important; color: white !important; }\n<\/style>\n<div class=\"va-loc\" style=\"max-width:1200px;margin:32px auto;padding:0 24px;font-family:Outfit,-apple-system,sans-serif;box-sizing:border-box;\">\n<h2 class=\"wp-block-heading\">HVAC Check Valves: Swing, Dual-Plate and Silent Disk Check Valves for Heating-Cooling Piping<\/h2>\n<p>ValveAtlas supplies UNIVAL HVAC check valves \u2014 swing (DC-0301), bronze threaded (DC-0201), dual-plate wafer (DPC-0201), silent wafer (DSC-0201) DN15-DN600. NOT UL\/FM listed. For fire service see <a href=\"\/check-valves-fire-protection\/\">UL\/ULC\/FM Fire Check Valves<\/a>.<\/p>\n<h2 class=\"wp-block-heading\">Check valve type selection<\/h2>\n<p>Swing for low velocity; dual-plate wafer for compact install; silent (spring-assisted) for water hammer prevention on pump discharge.<\/p>\n<h2 class=\"wp-block-heading\">Related products<\/h2>\n<p><a href=\"\/hvac-butterfly-valves\/\">HVAC butterfly valves<\/a>, <a href=\"\/hvac-ball-valves\/\">HVAC ball valves<\/a>, <a href=\"\/flanged-valves\/\">Flanged valves<\/a>.<\/p>\n<p>Contact <a href=\"mailto:info@valve-atlas.com\">info@valve-atlas.com<\/a>.<\/p>\n<div class=\"va-regions\">\n<h3>HVAC Check by Region<\/h3>\n<ul>\n<li><a href=\"\/hvac-check-valves-toronto\/\">Toronto<\/a><\/li>\n<li><a href=\"\/hvac-check-valves-montreal\/\">Montr\u00e9al<\/a><\/li>\n<li><a href=\"\/hvac-check-valves-new-york\/\">New York<\/a><\/li>\n<li><a href=\"\/hvac-check-valves-boston\/\">Boston<\/a><\/li>\n<li><a href=\"\/hvac-check-valves-london\/\">London UK<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>HVAC Check Valves: Swing, Dual-Plate and Silent Disk Check Valves for Heating-Cooling Piping ValveAtlas supplies UNIVAL HVAC check valves \u2014 swing (DC-0301), bronze threaded (DC-0201), dual-plate wafer (DPC-0201), silent wafer (DSC-0201) DN15-DN600. NOT UL\/FM listed. For fire service see UL\/ULC\/FM Fire Check Valves. Check valve type selection Swing for low velocity; dual-plate wafer for compact&hellip;<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","iawp_total_views":0,"footnotes":""},"class_list":["post-41867","page","type-page","status-publish","hentry","description-off"],"_links":{"self":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/pages\/41867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/comments?post=41867"}],"version-history":[{"count":7,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/pages\/41867\/revisions"}],"predecessor-version":[{"id":42597,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/pages\/41867\/revisions\/42597"}],"wp:attachment":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/media?parent=41867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}