{"product_id":"vk3021-k5-6-quick-response-pendent-fire-sprinkler","title":"VK3021 K5.6 Quick Response Pendent Fire Sprinkler","description":"\u003cdiv\u003e\n\u003cp\u003eThe Viking VK3021 K5.6 Quick Response Pendent Fire Sprinkler installs directly onto ceiling-mounted piping networks to provide early-stage fire suppression in commercial, industrial, and residential spaces. Engineered for reliable activation, this component uses a thermosensitive bulb that quickly detects rising ambient temperatures to initiate fast water discharge. It integrates smoothly into wet pipe, dry pipe, pre-action, and deluge fire sprinkler configurations.\u003c\/p\u003e \u003cp\u003eThis sprinkler satisfies strict life-safety design criteria and complies with NFPA 13 installation standards. It carries official UL listings and FM approvals, giving facility managers and trade contractors verified compliance for new construction and retrofit projects.\u003c\/p\u003e \u003ch2\u003eKey Features \u0026amp; Construction\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eQuick Response Mechanism:\u003c\/b\u003e Utilizes a thermosensitive bulb to promptly detect heat and trigger fast water flow, minimizing fire spread.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePendent Installation:\u003c\/b\u003e Mounts on ceilings to deliver wide-area water distribution and maximize suppression efficiency.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSystem Compatibility:\u003c\/b\u003e Operates seamlessly across wet pipe, dry pipe, pre-action, and deluge fire sprinkler configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Built with high-grade metals and corrosion-resistant finishes, including available ENT (Nickel PTFE) coatings, to ensure longevity in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOptimized Flow:\u003c\/b\u003e Features a K5.6 orifice rating designed to provide effective water discharge without excess pressure loss.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical Specifications \u0026amp; Compliance\u003c\/h2\u003e\n\u003ctable\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\u003eVK3021\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eConnection \/ Thread Size \u0026amp; Type\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e1\/2\" NPT (15 mm)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003ePressure Rating (WWP \/ Max Working Pressure)\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e175 psi (12 bar)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eK-Factor\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e5.6\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eTemperature Rating \/ Response Type\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eQuick Response\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eMaterial \/ Body Construction\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eHigh-grade metals with corrosion-resistant finishes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eAgency Listings \u0026amp; Approvals\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eUL Listed, FM Approved\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eApplicable NFPA Standards\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eNFPA 13\u003c\/td\u003e \u003c\/tr\u003e\n\u003c\/table\u003e \u003cp\u003eVerify all local Authority Having Jurisdiction (AHJ) requirements and spacing rules before starting installation. \u003cbr\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.vikinggroupinc.com\/sites\/default\/files\/2025-07\/110720.pdf\"\u003eDownload Manufacturer Technical Data \u0026amp; Cut Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fire Protection Parts","offers":[{"title":"Black-Polyester \/ No Guard \/ 135 °F (57 °C)","offer_id":68031321636954,"sku":"23870MA\/B","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Black-Polyester \/ No Guard \/ 155 °F (68 °C)","offer_id":68031321669722,"sku":"23870MB\/B","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Black-Polyester \/ No Guard \/ 175 °F (79 °C)","offer_id":68031321702490,"sku":"23870MD\/B","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Black-Polyester \/ No Guard \/ 286 °F (141 °C)","offer_id":68031321735258,"sku":"23870MG\/B","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Black-Polyester 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