{"product_id":"viking-k1-l1-spring-loaded-inline-check-valve","title":"Viking K1\/L1 Spring-Loaded Inline Check Valve","description":"\u003cdiv\u003e\n\u003cp\u003eThe Viking K1\/L1 Spring-Loaded Inline Check Valve provides directional flow control within specialized system plumbing. Install this component directly into your deluge and preaction fire suppression setups to maintain proper system priming and pressure integrity.\u003c\/p\u003e \u003cp\u003eThis spring-loaded inline valve ensures water flows strictly forward while preventing reverse flow or backflow during system operation. Install it in your facility's fire protection assembly to keep your lines secure and operational.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eSpring-loaded mechanism:\u003c\/b\u003e Ensures positive seating and immediate flow control to prevent reverse water movement in fire lines.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSpecialized setup compatibility:\u003c\/b\u003e Engineered specifically for integration into deluge and preaction system plumbing.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlexible sizing:\u003c\/b\u003e Available in 1 ½-inch and 2-inch configurations to match your precise piping specifications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eConnection versatility:\u003c\/b\u003e Choose between grooved or threaded ends to accommodate standard job site piping methods.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e \u003cthead\u003e \u003ctr style=\"background-color: #f2f2f2;\"\u003e \u003cth style=\"text-align: left;\"\u003e\u003cb\u003eTechnical Parameter\u003c\/b\u003e\u003c\/th\u003e \u003cth style=\"text-align: left;\"\u003e\u003cb\u003eSpecification\u003c\/b\u003e\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eManufacturer \/ Brand\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eViking\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eModel \/ Series Number \/ SIN\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eK1 \/ L1 Series\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eConnection \/ Thread Size \u0026amp; Type\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e1 ½-inch and 2-inch (Grooved or Threaded Ends)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003ePressure Rating (WWP)\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e250 psi (17.2 bar) water working pressure\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eMaterial \/ Body Construction\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eBrass body (ASTM C-83600)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eApplicable NFPA Standards\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eNFPA 25\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e \u003cp\u003eContractors must verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets before beginning installation.\u003c\/p\u003e \n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.vikinggroupinc.com\/sites\/default\/files\/migrated\/012202.pdf\" target=\"_blank\" rel=\"noopener\"\u003eViking K-1\/L-1 in-line check valve and trim technical data (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Viking","offers":[{"title":"1-1\/2 in. \/ Grooved","offer_id":46372571939064,"sku":"11054","price":576.99,"currency_code":"USD","in_stock":true},{"title":"1-1\/2 in. \/ Threaded","offer_id":46372571971832,"sku":"10659","price":576.99,"currency_code":"USD","in_stock":true},{"title":"2 in. \/ Grooved","offer_id":46372572004600,"sku":"11059","price":666.99,"currency_code":"USD","in_stock":true},{"title":"2 in. \/ Threaded","offer_id":46372572037368,"sku":"10667","price":666.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/model-k1l1-spring-loaded-in-line-check-valve-827737.png?v=1776004382","url":"https:\/\/fireprotectionparts.net\/products\/viking-k1-l1-spring-loaded-inline-check-valve","provider":"Fire Protection Parts","version":"1.0","type":"link"}