UL Listed 1/2"NPT Fire Sprinkler Head 155°F (68°C) K=5.6 Concealed Pendent Spray K80 Standard Response for Automatic Fire sprinkler System Dia 5mm Bulb Concealed Head with White Cover Plate
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<b>[Product Information]</b><br>
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<li>UL Listed EX6430.1/2" NPT thread</li>
<li>Temperature Rating: 155°F (68°C);Discharge Coefficient: K=5.6(U.S) /80(Metric);Nominal Orifice Size:1/2"(15mm)</li>
<li>Maximum Working Pressure:175psi(12bar); Min. Operating Pressure: 7psi (0.48bar); Factory Hydrostatic Test: 100%@ 500psi (34.5bar)</li>
<li>Frame: Bronze; Button: Brass/Copper; Sealing Assembly: Beryllium Nickel w/Teflon; Bulb: Glass Compression; Screw: Bronze; Deflector: Copper</li>
<li>Fire sprinkler head guard and sprinkler head wrench are available, please see our other Asins</li>
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