{"product_id":"3-4-4000b-rp-backflow-less-valve-bronze-body-by-manufacturer","title":"3\/4\" 4000B RP Backflow Less Valve Bronze Body by Manufacturer","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe 3\/4\" 4000B RP Backflow Less Valve Bronze Body is engineered for professionals seeking reliable, code-compliant backflow prevention specifically in fire protection systems. Its robust design ensures safe potable water integrity while accommodating the demands of residential, commercial, and industrial fire sprinklers.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial Construction\u003c\/b\u003e: Crafted from corrosion-resistant bronze with precision-machined stainless steel internal components, providing durability and long service life in harsh fire system environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompliance and Certification\u003c\/b\u003e: UL Listed to UL 312, FM Approved, and compliant with ASSE 1013 standards, meeting NFPA 13 and 25 requirements for fire sprinkler system backflow protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure and Temperature Range\u003c\/b\u003e: Supports up to 175 PSI (12.1 bar) working pressure and operates reliably between 33°F to 140°F (0.5°C to 60°C), suitable for a variety of installation settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReduced Pressure Principle Design\u003c\/b\u003e: Incorporates spring-loaded check valves and elastomeric seats to maintain a tight seal, effectively preventing backflow under fluctuating pressure conditions common in fire service lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnection Options\u003c\/b\u003e: Available with threaded or soldered ends to ease integration into both new installations and retrofit scenarios without extensive plumbing modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact Footprint\u003c\/b\u003e: Space-saving design allows installation in confined mechanical rooms or outdoor pits without compromising accessibility for maintenance or inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow-Less Configuration\u003c\/b\u003e: Minimizes valve seat clogging and stiction, reducing downtime during routine service and ensuring consistent performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis valve safeguards potable water supplies by preventing contamination risks associated with cross-connection in fire sprinkler systems. Its precise engineering and material selection deliver dependable operation in critical life-safety applications while simplifying installation and maintenance challenges. Ideal for facility managers, plumbers, and fire protection contractors, the 3\/4\" 4000B RP valve provides peace of mind with proven compliance and durability where water purity and uninterrupted fire system readiness are paramount.\n\u003c\/p\u003e \u003cbr\u003e \u003ctable id=\"product-attribute-specs-table\" class=\"data table additional-attributes\"\u003e\n\u003ccaption class=\"table-caption\"\u003eMore Information\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" class=\"col label\"\u003eItem Number\u003c\/th\u003e\n\u003ctd data-th=\"Item Number\" class=\"col data\"\u003e4000BLB-75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" class=\"col label\"\u003eBrand\u003c\/th\u003e\n\u003ctd data-th=\"Brand\" class=\"col data\"\u003eAmes Backflows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" class=\"col label\"\u003eBox Quantity\u003c\/th\u003e\n\u003ctd data-th=\"Box Quantity\" class=\"col data\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Fire Protection Parts","offers":[{"title":"Default Title","offer_id":42419557498960,"sku":"4000BLB-75","price":989.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0242\/9940\/5392\/files\/34-4000b-rp-backflow-less-valves-for-fire-protection-7282919.jpg?v=1779400512","url":"https:\/\/shop.water-services.us\/products\/3-4-4000b-rp-backflow-less-valve-bronze-body-by-manufacturer","provider":"store.water-services.us","version":"1.0","type":"link"}