Metalware Solutions specializes in manufacturing and providing premium quality fire safety products for our customers and we are proud to be the #1 choice for both commercial and residential applications. Backed by our no-hassle guarantee, we are committed to developing products to meet all your fire safety needs, for now and in the future. ✔️ 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) ✔️ UL Listed EX6430.1/2" NPT thread for USA automatic fire sprinkler systems. ✔️ Frame: Chrome; Button: Brass/Copper; Sealing Assembly: Beryllium Nickel w/Teflon; Bulb: Glass Compression; Screw: Bronze; Deflector: Copper See our storefront and other ASINs for our full range of fire safety products we manufacture including: ✔️ sprinkler heads - side/upright/pendant ✔️ sprinkler head guards - chrome/red/white ✔️ sprinkler head escutcheon plates - chrome/white ✔️ sprinkler head wrenches - chrome/black/red
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