{"product_id":"pressure-operated-relief-valve-porv-model-d-3-d-4","title":"Pressure Operated Relief Valve PORV Model D-3 D-4","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Viking Pressure Operated Relief Valve (PORV) Models D-3 and D-4 are critical components designed for fire protection professionals who require reliable pressure management in advanced fire suppression systems. These valves are engineered to maintain system integrity in Viking Deluge, Preaction, Firecycle® Multi-Cycle, and Surefire® systems, ensuring consistent and safe operation.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Construction\u003c\/b\u003e: Crafted from robust materials to endure demanding operational environments, with the Model D-4 featuring specially plated components for enhanced corrosion resistance, extending valve lifespan in harsh conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Pressure Control\u003c\/b\u003e: Automatically vents pressure within control valve chambers to prevent premature resetting of deluge valves, maintaining a positive vent after activation and safeguarding system readiness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAutomatic Reset Functionality\u003c\/b\u003e: Designed to reset seamlessly when pressure is removed from the control diaphragm, eliminating the need for manual intervention and promoting reliable system performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndustry Certifications\u003c\/b\u003e: UL Listed and FM Approved, meeting rigorous safety and performance standards for fire protection equipment, reinforcing trust in system reliability and compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNFPA Compliance and Compatibility\u003c\/b\u003e: Specifically engineered to align with NFPA codes and integrate smoothly with Viking proprietary fire protection systems, enhancing overall system robustness.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nBy effectively managing pressure in control valve chambers, the Viking PORV Models D-3 and D-4 prevent false resets and maintain continuous readiness of fire suppression systems. This reduces downtime and ensures rapid response during fire events, crucial for facilities requiring stringent fire safety measures. Suitable for engineers, contractors, and facility managers, these valves support compliance with fire codes while extending equipment life through corrosion resistance and precision engineering.\n\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"data table additional-attributes\" id=\"product-attribute-specs-table\"\u003e\n\u003ccaption class=\"table-caption\"\u003eMore Information\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eItem Number\u003c\/th\u003e\n\u003ctd class=\"col data\" data-th=\"Item Number\"\u003e 16970-01 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"col data\" data-th=\"Brand\"\u003e Viking \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":"D-3","offer_id":43296410075226,"sku":"16970","price":831.8,"currency_code":"USD","in_stock":true},{"title":"D-4","offer_id":43296410107994,"sku":"16971","price":1279.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/0637\/7818\/files\/pressure-operated-relief-valve-porv-model-d-3-d-4-816983.jpg?v=1777604744","url":"https:\/\/patriotsafesource.com\/products\/pressure-operated-relief-valve-porv-model-d-3-d-4","provider":"Patriot SafeSource","version":"1.0","type":"link"}