Residential adjustable concealed pendent sprinkler. 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. Cover Plate - brass. 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 ½".
| Make | Globe Fire Sprinklers |
|---|---|
| Manufacturer | Globe Fire Sprinkler Corporation |
| Model code | GL4247 |
| Standards | NFPA |
| Temp. rating (°C) | 57~77 |
| Type | Automatic |
| NFPA temperature class | Ordinary |
| Additional info |
Residential adjustable concealed pendent sprinkler. 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. Cover Plate - brass. 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 ½". |