Sprinklers · Upright sprinkler
Upright sprinkler
- K-factorK-factorThe sprinkler's discharge coefficient: flow = K × √pressure. A higher K gives more water at the same pressure. K5.6 (K80 metric) is the usual head for light and ordinary hazard.
- K4.2 (K60 metric)
- ResponseResponseHow fast the heat-sensitive element reacts. Quick response heads open sooner and are usual in light hazard areas such as hotels, offices and hospitals; standard response suits many ordinary hazard and storage areas.
- Quick
- ThreadThreadNPT is the American taper thread; BSPT (ISO 7-1) is the British taper thread. Match the thread to the fittings used on the project.
- ½" NPT (15 mm)
- Application
- Specific application
- TemperatureTemperature ratingThe temperature at which the glass bulb or link breaks and the sprinkler opens. 68 °C (red bulb) suits normal ceilings; hot spaces such as kitchens and plant rooms need a higher rating.
- 79 °C
- Finish
- Plain brass
- Range
- K4.2 (metric K60), ½" NPT (15 mm), quick response, Specific applicationTemps: 175°F/79°CFinishes: Plain brassMax pressure: See data sheet, data sheet 40.09
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