{"product_id":"reliable-f1fr28-k2-8-half-inch-pendent-fire-sprinkler","title":"Reliable F1FR28 K2.8 ½-Inch Pendent Fire Sprinkler","description":"\u003cdiv\u003e\n\u003cp\u003eThe Reliable F1FR28 is a quick-response, standard-coverage pendent fire sprinkler designed to discharge water in a targeted pattern during a fire event. It installs directly into wet or dry commercial fire sprinkler piping assemblies utilizing pendent orientations. Featuring a 3 mm glass bulb thermal element, it activates rapidly upon reaching its designated temperature rating to suppress fires effectively.\u003c\/p\u003e \u003cp\u003eThis fire protection component complies with cULus listing requirements and installation parameters governed by NFPA 13 standards for standard-coverage quick-response sprinkler systems. It satisfies strict commercial life safety code mandates by providing reliable thermal activation and hydraulic distribution tailored for specific hazard classifications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eThermal Element:\u003c\/b\u003e Quick-response 3 mm glass bulb ensures rapid thermal sensitivity and prompt activation during a fire event.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Features a robust brass-alloy frame and deflector, bronze-alloy cap, copper-alloy load screw, and a nickel sealing washer with PTFE.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePressure Rating:\u003c\/b\u003e Maximum working pressure of 175 psi (12 bar) to support standard commercial building water supplies.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHydraulic Performance:\u003c\/b\u003e Nominal K-factor of 2.8 (40 metric) for precise hydraulic calculations.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread Configurations:\u003c\/b\u003e Available in 1\/2-inch NPT or ISO 7-R1\/2 connections to match specific project piping specs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eTechnical Specification\u003c\/b\u003e\u003c\/th\u003e \u003cth\u003e\u003cb\u003eValue \/ Detail\u003c\/b\u003e\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eManufacturer \/ Brand\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eReliable Sprinkler\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eModel \/ Series Number \/ SIN\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eModel F1FR28 \/ SIN RA1411\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eConnection \/ Thread Type\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e1\/2-inch NPT or ISO 7-R1\/2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003ePressure Rating (WWP)\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\u003e2.8 (40 metric)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eTemperature Ratings\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e155°F, 175°F, 200°F, 286°F\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eMaterial \/ Body Construction\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eBrass-alloy frame and deflector, bronze-alloy cap, copper-alloy load screw, nickel sealing washer with PTFE\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eAgency Listings \u0026amp; Approvals\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003ecULus Listed\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 \u003c\/tbody\u003e\n\u003c\/table\u003e \u003cp\u003eAlways verify local Authority Having Jurisdiction (AHJ) guidelines and project specifications prior to ordering or installation. Note that 286°F options are not listed for recessed use, and recessed installations require specific Reliable F1, F2, or FP escutcheons without guards or shields. Use appropriate installation tools such as Model W2 for pendent, Model W1 for recessed, or Model W14 with guards.\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\/2-inch \/ Brass \/ 155F","offer_id":48342782443768,"sku":"F1FR28P1BN","price":22.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Brass \/ 175F","offer_id":48342782476536,"sku":"F1FR28P5BN","price":22.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Brass \/ 200F","offer_id":48342782509304,"sku":"F1FR28P2BN","price":22.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Brass \/ 286F","offer_id":48342782542072,"sku":"F1FR28P3BN","price":22.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Chrome \/ 155F","offer_id":48342782312696,"sku":"F1FR28P1CN","price":23.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Chrome \/ 175F","offer_id":48342782345464,"sku":"F1FR28P5CN","price":23.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Chrome \/ 200F","offer_id":48342782378232,"sku":"F1FR28P2CN","price":23.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Chrome \/ 286F","offer_id":48342782411000,"sku":"F1FR28P3CN","price":24.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ White \/ 155F","offer_id":48342782574840,"sku":"F1FR28P1WN","price":24.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ White \/ 175F","offer_id":48342782607608,"sku":"F1FR28P5WN","price":24.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ White \/ 200F","offer_id":48342782640376,"sku":"F1FR28P2WN","price":24.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ White \/ 286F","offer_id":48342782673144,"sku":"F1FR28P3WN","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/reliable-f1fr28-fire-sprinkler-pendent-k28-12-thread-1291786.webp?v=1778907375","url":"https:\/\/fireprotectionparts.net\/es\/products\/reliable-f1fr28-k2-8-half-inch-pendent-fire-sprinkler","provider":"Fire Protection Parts","version":"1.0","type":"link"}