{"product_id":"reliable-m336-k33-6-esfr-pendent-fire-sprinkler","title":"Reliable M336 K33.6 ESFR Pendent Fire Sprinkler","description":"\u003cdiv\u003e\n\u003cp\u003eProtect high-density warehousing configurations with the Reliable Model M336 Early Suppression Fast Response (ESFR) pendent sprinkler. Engineered for high-challenge storage fire protection in wet pipe suppression systems, this heavy-duty component rapidly detects and suppresses fires to meet strict commercial facility requirements.\u003c\/p\u003e \u003cp\u003eThis sprinkler satisfies stringent FM Global storage criteria and operates in accordance with FM Data Sheets 2-0 and 8-9. Contractors rely on its precise hydraulic performance to meet designated commodity and storage standards enforced by the authority having jurisdiction (AHJ).\u003c\/p\u003e \u003ch2\u003eKey Features \u0026amp; Construction\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eHigh-Capacity K-Factor:\u003c\/b\u003e Delivers a nominal K-33.6 (480 metric) flow rate to ensure rapid fire suppression in demanding storage environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Built with a robust brass-alloy frame, bronze-alloy cap and deflector, and nickel-alloy components to withstand industrial facility conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReliable Thermal Response:\u003c\/b\u003e Utilizes a levered fusible-alloy solder link available in ordinary (165°F \/ 74°C) and intermediate (212°F \/ 100°C) temperature ratings.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePTFE Sealing Assembly:\u003c\/b\u003e Prevents sticking and ensures dependable valve operation over extended service intervals.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlexible Connection Options:\u003c\/b\u003e Configured for 1¼-inch NPT, ISO 7-R1¼ (BSPT) threads, or a 1¼-inch AWWA C606 grooved connection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical Specifications \u0026amp; Compliance Table\u003c\/h2\u003e\n\u003ctable\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eManufacturer \/ Brand\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003eReliable Sprinkler\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eModel \/ Series Number \/ SIN\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003eModel M336 \/ SIN R610\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eConnection \/ Thread Size \u0026amp; Type\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003e1¼-inch NPT, ISO 7-R1¼ (BSPT), or 1¼-inch AWWA C606 Groove\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003ePressure Rating (WWP \/ Max Working Pressure)\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003e175 psi (12 bar)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eK-Factor\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003e33.6 (480 metric)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eTemperature Rating \/ Response Type\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003e165°F (74°C) or 212°F (100°C) \/ Quick-Response ESFR\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eMaterial \/ Body Construction\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003eBrass-alloy frame, bronze-alloy cap and deflector, nickel-alloy solder link and sealing assembly with PTFE\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eAgency Listings \u0026amp; Approvals\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003eFM Approved\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eApplicable NFPA Standards\u003c\/b\u003e\u003c\/th\u003e \u003ctd\u003eWet pipe system design criteria per FM Data Sheets 2-0 and 8-9\u003c\/td\u003e \u003c\/tr\u003e\n\u003c\/table\u003e \u003cp\u003eAlways verify local authority having jurisdiction (AHJ) mandates and match the full ordering reference, connection standard, temperature rating, and sprinkler markings before job-site installation. Threaded models require the Reliable Model W17 sprinkler wrench, while grooved units must utilize couplings installed per the manufacturer's instructions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e \u003ca href=\"#\"\u003eDownload Manufacturer Technical Data \u0026amp; Cut Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Reliable Sprinkler","offers":[{"title":"1-1\/4-inch \/ Special Paint \/ 165 F Threaded","offer_id":48408887099640,"sku":"M3361M","price":220.99,"currency_code":"USD","in_stock":true},{"title":"1-1\/4-inch \/ Special Paint \/ 212 F Threaded","offer_id":48408887132408,"sku":"M3362M","price":220.99,"currency_code":"USD","in_stock":true},{"title":"1-1\/4-inch \/ Brass \/ 165 F Threaded","offer_id":48408887165176,"sku":"M3361","price":220.99,"currency_code":"USD","in_stock":true},{"title":"1-1\/4-inch \/ Brass \/ 212 F Threaded","offer_id":48408887197944,"sku":"M3362","price":220.99,"currency_code":"USD","in_stock":true},{"title":"1-1\/4-inch \/ Brass \/ 165 F Grooved","offer_id":48408887230712,"sku":"M3361G","price":231.99,"currency_code":"USD","in_stock":true},{"title":"1-1\/4-inch \/ Brass \/ 212 F Grooved","offer_id":48408887263480,"sku":"M3362G","price":231.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/reliable-model-m336esfr-pendentk336-npt-threads1-14-r610-3914376.png?v=1778907142","url":"https:\/\/fireprotectionparts.net\/products\/reliable-m336-k33-6-esfr-pendent-fire-sprinkler","provider":"Fire Protection Parts","version":"1.0","type":"link"}