(4 Pack) UL Listed 1/2" NPT Fire Sprinkler Head 155 F (68 C) Horizontal Sidewall Spray K=5.6 K80 Standard Response for Automatic Fire Sprinkler System Sidewall Bronze

Technical Details: Temperature Rating: 155°F (68°C) Discharge Coefficient: K=5.6(U.S) /80(Metric) Nominal Orifice Size:1/2"(15mm) Maximum Working Pressure:175psi(12bar) Min. Operating Pressure: 7psi (0.48bar) Factory Hydrostatic Test: 100%@ 500psi (34.5bar) Physical Characteristics Frame: Bronze Button: Brass/Copper Sealing Assembly: Beryllium Nickel w/Teflon Bulb: Glass Compression Screw: Bronze Deflector: Copper