Water working pressure rating - 175 psi (12 bars). Factory tested hydrostatically to 500 psi (34 bars). Maximum low temperature glass bulb rating is -55°C. Frame - bronze. Deflector - brass. Screw - brass. Bulb seat - copper. Spring - nickel alloy. Seal - teflon. Bulb - glass with alcohol based solution, 3mm size. Classification: ordinary. Available sprinkler temperature: 68°C. Bulb color: red. N.F.P.A. maximum ceiling temperature: 38°C. K factor: 4.2 (59 metric). Thread size: 1/2" NPT. Length: 2 ¼".
The Globe Fire Sprinklers GL4230 Fire Sprinkler name is one of 73 Fire Sprinklers from Globe Fire Sprinkler Corporation featured on TheBigRedGuide.com. View technical specifications and compare the GL4230 with other Fire Sprinklers.