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Sprinkler Head-NX017W04(4pack)

(4 Pack) UL Listed 1/2" NPT Fire Sprinkler Head 155°F (68°C) Horizontal Sidewall Spray K=5.6 K80 Standard Response for Automatic Fire Sprinkler System Sidewall White
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  • Description
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  • UL Listed EX6430.1/2" NPT thread for USA automatic fire sprinkler system. Both 2 pack and 4 pack are available to meet your different quantity demand
  • 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); Factory Hydrostatic Test: 100%@ 500psi (34.5bar)
  • Frame: Bronze; Button: Brass/Copper; Sealing Assembly: Beryllium Nickel w/Teflon; Bulb: Glass Compression; Screw: Bronze; Deflector: Copper
  • Fire sprinkler head guard, sprinkler head escutcheon, sprinkler head spanner, and sprinkler head paint cover are available for protecting and decorating your sprinkler head,please see our other Asins.

Product description

Size:4 Pack


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) 

Factory Hydrostatic Test: 100%@ 500psi (34.5bar) 

NPT: National Pipe Tapered is common in plumbing and some industrial uses. Sometimes referred to as pipe thread because PVC pipe and schedule 40 pipe are typically threaded in NPT. As its name implies this is a tapered thread so that the outside diameter of the male (ODM) gets smaller towards the end of the fitting and the inside diameter of the female narrows with depth. As the two fittings are threaded together the opposite tapers force thread friction and makes the seal without the use of a gasket.

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