{"product_id":"reliable-f1-42-ra1313-k4-2-pendent-fire-sprinkler","title":"Reliable F1-42 RA1313 K4.2 Pendent Fire Sprinkler","description":"\u003cdiv\u003e\n\u003cp\u003eThe Reliable F1-42 RA1313 is a standard-response, standard-coverage pendent fire sprinkler designed to discharge water directly down into a protected space during a thermal event. Operating as part of a wet or dry commercial fire suppression assembly, this component installs onto branch lines to provide reliable, code-compliant hazard mitigation. It satisfies specific life safety requirements under \u003cstrong\u003eNFPA 13\u003c\/strong\u003e, ensuring proper hydraulic distribution and thermal activation parameters for commercial installations.\u003c\/p\u003e \u003cp\u003eFeaturing a durable brass-alloy frame and deflector paired with a bronze-alloy cap, this unit activates via a 5.0 mm glass bulb thermal element. It handles a maximum working pressure of 175 psi (12 bar) and delivers a nominal K-factor of 4.2 (60 metric). Multiple temperature options allow you to match the exact ambient heat thresholds required by your facility layout. Note that units rated at 286°F and higher are strictly prohibited from recessed use, and installation requires specific tools like the Model W2 or W1 to prevent frame damage.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eStandard-Response Element:\u003c\/b\u003e Utilizes a robust 5.0 mm glass bulb to activate reliably at your specified temperature rating.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Built with a brass-alloy frame and deflector, bronze cap, nickel sealing washer with PTFE, and copper-alloy load screw for long-term service life.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHigh Pressure Tolerance:\u003c\/b\u003e Rated for a maximum working pressure of 175 psi (12 bar) to support standard commercial system demands.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePrecise Thermal Options:\u003c\/b\u003e Available in temperature ratings from 135°F up to 360°F to fit various environmental heat conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003e\u003cb\u003eTechnical Parameter\u003c\/b\u003e\u003c\/th\u003e \u003cth\u003e\u003cb\u003eSpecification Details\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 F1-42 \/ RA1313\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eConnection \/ Thread Size \u0026amp; Type\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e15mm (N\/A additional thread specifics provided)\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) max working pressure\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eK-Factor\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003e4.2 (60 metric)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cb\u003eTemperature Rating \/ Response Type\u003c\/b\u003e\u003c\/td\u003e \u003ctd\u003eStandard response; 135°F, 155°F, 175°F, 200°F, and 360°F options available\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, nickel sealing washer with PTFE, copper-alloy load screw\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\u003eVerify all local Authority Having Jurisdiction (AHJ) guidelines and project specifications regarding temperature ratings and escutcheon choices prior to ordering or mounting. \u003ca href=\"#\"\u003eRead Reliable Bulletin 067, including page 3 for RA1313 pendent specifications\u003c\/a\u003e, for complete technical data.\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 \/ Chrome \/ 135F","offer_id":48342739124472,"sku":"F42POCN","price":56.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Chrome \/ 155F","offer_id":48342739157240,"sku":"F42P1CN","price":56.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Chrome \/ 200F","offer_id":48342739190008,"sku":"F42P2CN","price":56.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Chrome \/ 360F","offer_id":48342739222776,"sku":"F42P6CN","price":60.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Brass \/ 135F","offer_id":48342739255544,"sku":"F42P0BN","price":48.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Brass \/ 155F","offer_id":48342739288312,"sku":"F42P1BN","price":48.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Brass \/ 200F","offer_id":48342739321080,"sku":"F42P2BN","price":48.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ Brass \/ 360F","offer_id":48342739353848,"sku":"F42P6BN","price":51.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ White \/ 135F","offer_id":48342739386616,"sku":"F42POWN","price":60.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ White \/ 175F","offer_id":48342739419384,"sku":"F42P5WN","price":60.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ White \/ 200F","offer_id":48342739452152,"sku":"F42P2WN","price":60.99,"currency_code":"USD","in_stock":true},{"title":"1\/2-inch \/ White \/ 360F","offer_id":48342739484920,"sku":"F42P6WN","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/Wn3lUReP3qhgQJWHqg0hWxLdhRhUHj56L46ISNs2ZT825avqqjEJeBcVD6YJckResh-8rpcuajslqi4MAsx0E6awC6PLh033q8-NfeVj7OeWuie-HkIdjZZY4LCVN1O22Balx4wkV4m0ZcIsIAl63KWk_zJENcC-O-OgLATQqjM5GNfCKKPXSxL.jpg?v=1781713774","url":"https:\/\/fireprotectionparts.net\/products\/reliable-f1-42-ra1313-k4-2-pendent-fire-sprinkler","provider":"Fire Protection Parts","version":"1.0","type":"link"}