{"product_id":"mech-check-valve-swing-flange-x-flange-ul-fm-copy","title":"WEFLO F1322-350 Flanged Swing Check Valve UL\/FM 350 PSI","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWEFLO F1322-350 UL\/FM Flanged Swing Check Valve – 350 PSI\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eWEFLO F1322-350\u003c\/strong\u003e is a premium flanged swing check valve engineered for demanding fire protection systems. With a \u003cstrong\u003e350 PSI working pressure rating\u003c\/strong\u003e — one of the highest in the industry — this valve offers superior safety margin and performance compared to standard 300 PSI models.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Features \u0026amp; Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e350 PSI Working Pressure\u003c\/strong\u003e — Highest-rated UL\/FM swing check valve available (extra safety over most competitors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Listed \u0026amp; FM Approved\u003c\/strong\u003e — Certified for fire sprinkler risers, standpipes, fire pumps, and other critical backflow prevention applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Waterway Design\u003c\/strong\u003e — Maximizes flow capacity with minimal pressure loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResilient EPDM Seated Disc\u003c\/strong\u003e — Provides bubble-tight shutoff against a bronze seat ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlanged Ends\u003c\/strong\u003e — ANSI B16.1 Class 125 \/ ASME B16.42 Class 150 compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuctile Iron Construction\u003c\/strong\u003e — ASTM A536 Grade 65-45-12 body and bonnet with fusion-bonded epoxy coating (AWWA C550) for long-term corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolted Bonnet\u003c\/strong\u003e — Easy access for inspection and maintenance without removing the valve from the pipeline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Installation\u003c\/strong\u003e — Approved for horizontal or vertical mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003ca href=\"\/pages\/157146382639\" title=\"WEFLO F1322-350 DATA SHEET\"\u003eWEFLO F1322-350 DATA SHEET\u003c\/a\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhy Choose the WEFLO F1322-350?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eHigher pressure rating than generic imports\u003c\/li\u003e\n\u003cli\u003eReliable performance trusted in fire protection systems\u003c\/li\u003e\n\u003cli\u003eExcellent balance of quality, certification, and value\u003c\/li\u003e\n\u003cli\u003eShips from our Illinois warehouse for faster delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always confirm exact project requirements, flange facing, and local Authority Having Jurisdiction (AHJ) approvals. Data sheet available upon request.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e: FM,UL,CUL,LPCB,NSF\/ANSI 61,NSF\/ANSI 372,CE\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis valve features a durable \u003c\/span\u003e\u003cspan\u003ered epoxy finish\u003c\/span\u003e\u003cspan\u003e required for most fire-prevention installations and recognized across NFPA-compliant systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eDesigned specifically for fire prevention systems, this UL\/FM certified valve provides reliable flow control for commercial sprinkler and riser applications.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eRecommended accessory:  NASCO Gasket and Bolt Kit.\u003c\/p\u003e","brand":"WEFLO Valve Co Ltd","offers":[{"title":"2\"","offer_id":56076293570863,"sku":"F1322 50","price":171.15,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\"","offer_id":56076293603631,"sku":"F1322 65","price":199.84,"currency_code":"USD","in_stock":true},{"title":"3\"","offer_id":56076512592175,"sku":"F1322 80","price":255.3,"currency_code":"USD","in_stock":true},{"title":"4\"","offer_id":56076615811375,"sku":"F1322 100","price":375.72,"currency_code":"USD","in_stock":true},{"title":"5\"","offer_id":56076700025135,"sku":"F1322 130","price":551.18,"currency_code":"USD","in_stock":true},{"title":"6\"","offer_id":56076751175983,"sku":"F1322 150","price":647.66,"currency_code":"USD","in_stock":true},{"title":"8\"","offer_id":56076830179631,"sku":"F1322 200","price":1068.26,"currency_code":"USD","in_stock":true},{"title":"10\"","offer_id":56076857737519,"sku":"F1322 250","price":1577.48,"currency_code":"USD","in_stock":true},{"title":"12\"","offer_id":56076936708399,"sku":"F1322 300","price":2273.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/4316\/1647\/files\/ANGLE_GLOBE_VALVE_Female_NPT_X_Female_NPT_200_wrubber_seat_32.png?v=1776794819","url":"https:\/\/shopnasco.com\/products\/mech-check-valve-swing-flange-x-flange-ul-fm-copy","provider":"NASCO Supply LLC","version":"1.0","type":"link"}