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Double Disc Wafer Check Valve(ball valve, globe valve) Features: 1) CG check valves conform to ASME B16.342) Each tested according to API 589, and marking is per MSS SP-253) Three bonnet designs: a) Bolted b) Welded c) Pressure seal4) Three different design configurations: a) Piston check b) Ball check c) Swing check5) Working pressure: PN1.0 - 42.0MPa, Class 150 - 2,500lbs6) Diameter: DN15 - 1,200mm, NPS1/2 - 487) Working temperature: 196 - 540°C8) Medium: water, steam, oilInner packing: plastic bagOuter packing: wooden case