{"product_id":"f1fr-upright-fire-sprinkler-head-k2-8-1-2-inch-npt-ra1421","title":"F1FR Upright Fire Sprinkler Head K2.8 1\/2 Inch NPT RA1421","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Reliable Model F1FR Upright Fire Sprinkler (K2.8\/40, RA1421) is a precision-engineered component essential for robust fire protection systems. Designed for commercial and industrial applications, this quick-response sprinkler head provides dependable performance and efficient water delivery in critical safety scenarios.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eQuick-Response (QR) Activation\u003c\/b\u003e: Equipped with a sensitive 3.0 mm glass bulb, typically red, indicating a 155°F (68°C) temperature rating, for rapid fire detection and suppression. This quick-response design ensures water is applied to a fire significantly faster than standard response sprinklers, helping to contain incidents swiftly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow K-Factor 2.8 (40 Metric)\u003c\/b\u003e: Features a K-factor of 2.8, which is a lower discharge coefficient, restricting the flow of water. This makes it ideal for specific applications, particularly light hazard occupancies where a precise and efficient water spray is sufficient to manage the fire without excessive water discharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUpright Configuration\u003c\/b\u003e: Engineered with a brass deflector plate designed for upright installation, ensuring an optimal water distribution pattern when mounted in an upward position from the pipe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandard Threaded Connection\u003c\/b\u003e: Integrates seamlessly into existing piping with a universal 1\/2\" (15MM) NPT threaded connection, ensuring compatibility and ease of installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Brass Construction\u003c\/b\u003e: Manufactured with a robust brass alloy frame and deflector, providing longevity and resistance to corrosion, crucial for reliable, long-term operation within fire suppression systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTechnical Traceability (RA1421)\u003c\/b\u003e: Bears the RA1421 Sprinkler Identification Number (SIN), facilitating precise system design, maintenance, and compliance verification for contractors and distributors managing complex installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Working Pressure\u003c\/b\u003e: Rated for a maximum working pressure of 175 psi (12 bar), ensuring consistent performance under demanding operational conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nChoosing the Reliable Model F1FR Upright K2.8 sprinkler means investing in enhanced safety and efficient fire management. Its quick-response mechanism significantly reduces potential damage by activating faster, while the low K-factor optimizes water usage, preventing unnecessary water harm to property. Professionals benefit from simplified system integration and maintenance due to its standard connection and clear identification. Moreover, this sprinkler meets rigorous industry standards, providing the confidence that your commercial or industrial fire protection system is equipped for dependable operation in critical situations.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Reliable Sprinkler","offers":[{"title":"Brass \/ 175F","offer_id":48293296898296,"sku":"F1FR28U5NF","price":24.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/model-f1fr-upright-k28-40-threads-12-15mm-ra1421-5221071.png?v=1778907036","url":"https:\/\/fireprotectionparts.net\/es\/products\/f1fr-upright-fire-sprinkler-head-k2-8-1-2-inch-npt-ra1421","provider":"Fire Protection Parts","version":"1.0","type":"link"}