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Technical Specifications <br />Style: <br />Upright Vertical Sidewall <br />Pendent Vertical Sidewall <br />Threads: 1/2" NPT or ISO 7-R1/2 <br />Nominal K-Factor: 5.6 (80 metric) <br />Max. Working Pressure: 175 psi (12 bar) <br />Material Specifications <br />Thermal Sensor: 3 mm Glass Bulb <br />Sprinkler Frame: Brass Alloy <br />Cap: Bronze Alloy <br />Sealing Washer: Nickel with PTFE <br />Load Screw: Copper Alloy <br />Deflector: Brass Alloy <br />Sprinkler Finishes <br />(See Table B) <br />Sensitivity <br />Quick response <br />Temperature Ratings <br />135°F (57°C) <br />155°F (68°C) <br />175°F (79°C) <br />200°F (93°C) <br />286°F (141°C) <br />Guards & Shields (New Frames) <br />F-2 Guard (FM) <br />Guards & Shields (Legacy Frames) <br />C1 Guard (FM) <br />Sprinkler Wrenches <br />Model W2 <br />Model J (New frame with guard installed) <br />Model JD (Legacy frame with guard <br />installed) <br />Listings and Approvals0) <br />cULus Listed <br />FM Approved <br />LPCB(1) <br />UKCA: 0832-UKCA-CPR-S5045 <br />Notes: <br />1. Listed and approved for Light Hazard ONLY. <br />2. LPCB approved for use in pendent position ONLY. <br />Model F1 FR56 Vertical Sprinkler Components and Dimensions - <br />Deflector <br />Glass Bulb <br />(3 mm) <br />Wrench Flat <br />' ---1 Screw <br />Frame <br />F1 FR_HALF_VSW <br />Cap/Seal Assembly <br />Threads <br />1 1/2" [38mm] <br />2 1/4" [57mm] <br />RQ C O <br />if <br />Bulletin 074 Reliable Page 5 of 9 <br />November 2023 www.reliablesprinkler.com <br />