3 Review(s)

Fire Sprinkler Head 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) fire sprinklers, Frame: Brass ; Button: Brass/Copper; Sealing Assembly: Beryllium Nickel w/Teflon; Bulb: Glass Compression; Screw: Bronze; Deflector: Copper