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Packaging: wooden case
Place of Origin: CHINA
Supply Ability: 8000
Product:Double Disc Swing Check Valve
Standard: API 6D
Flanged Dimension:ASME B16.5
Face to face :API6D
Pressure & Temperature :ASME B16.34
Test & inspection:API 598 / API 6D
Materials: Carbon Steel, Stainless Steel ,CF8, CF8M, CF3, CF3M
Working Pressure: PN10~PN40
Suitable Temp: -196º C~550º C
Suitable Medium: Water, Natural Gas, Oil and some corrosive liquid
Design features :Dual plate or single plate.
Light-weight & compact design.
Spring loaded disc.
Resilient or metal seated.
Optional plug disc.
Dual plate check valves have the advantage of zero leakage toward outside, cost saving. It can be installed in any line orientation, superior seal performance.SUNGO series DPV check valve has a shorter face-to-face dimension and dual plate design , the end connection options include wafer type, lug type and double-flange type , and are available in size from 2" to 60 " and in pressure ratings from ASME class 150 through 1500 . A wide range of body and trim materials are optional on customer' s request. This series of valves are widely used in oil & gas production, petroleum refining, petrochemical , pulp & paper, shipbuilding , and other fluid back flow prevention application.