Sprinklers · Upright sprinkler

Upright sprinkler

K-factoriK-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.Close

K5.6 (K81 metric)

ResponseiResponseHow 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.Close

Quick

ThreadiThreadNPT is the American taper thread; BSPT (ISO 7-1) is the British taper thread. Match the thread to the fittings used on the project.Close

½" NPT (15 mm)

TemperatureiTemperature 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.Close

57–141 °C

Finish

Plain brass and others

Range

K5.6 (metric K81), ½" NPT (15 mm), quick response, Light & ordinary hazard, storageTemps: 135°F/57°C, 155°F/68°C, 175°F/79°C, 200°F/93°C, 286°F/141°CFinishes: Plain brass, Chrome, White or cream, Nickel/Teflon, Flat black, Custom, Bright whiteMax pressure: UL 250 psi / FM 175 psi, data sheet 40.10

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