{"product_id":"cla-val-55l-casing-relief-valve","title":"Cla-Val 55L CASING RELIEF VALVE","description":"\u003ch2\u003eCla-Val Model 55L Pressure Relief Valve\u003c\/h2\u003e\u003cp\u003eThe Cla-Val Model 55L is a direct-acting, spring-loaded, diaphragm-type pressure relief valve designed specifically for fire protection systems. UL Listed and Factory Mutual (FM) Approved, it delivers precise pressure control to protect your fire pump and distribution network from dangerous overpressure conditions.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed \u0026amp; FM Approved for fire protection service\u003c\/li\u003e\n\u003cli\u003eDirect-acting design for precise, dependable pressure control\u003c\/li\u003e\n\u003cli\u003ePositive, drip-tight closure — no leakage at set pressure\u003c\/li\u003e\n\u003cli\u003eNo packing glands or stuffing boxes for low-maintenance operation\u003c\/li\u003e\n\u003cli\u003eSensitive to small pressure variations for accurate relief\u003c\/li\u003e\n\u003cli\u003eInstalls in any position\u003c\/li\u003e\n\u003cli\u003eAvailable in three pressure ranges: 0–75 psi, 20–175 psi, and 100–300 psi\u003c\/li\u003e\n\u003cli\u003eAdjustment cap can be wire-sealed to prevent tampering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Application\u003c\/h3\u003e\u003cp\u003eUsed on fire protection system headers to prevent pressure build-up when line pressure exceeds the spring setting. The valve opens to relieve excess pressure to atmosphere, protecting the distribution network from damage. Commonly installed alongside the Cla-Val 90-21 Pressure Reducing Valve on main fire headers serving multi-floor buildings.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAlso available in Seawater Service Material — contact us for details.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fire Pump Systems","offers":[{"title":"20-300 PSI","offer_id":47582895177918,"sku":null,"price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/0541\/5870\/files\/55L-60-Fire.png?v=1779843496","url":"https:\/\/www.firepumpsystems.co\/products\/cla-val-55l-casing-relief-valve","provider":"Fire Pump Systems","version":"1.0","type":"link"}