Main Parameter Specification
BW end Dimension:ASME B16.25
Face to Face and End to End:ASME B16.10
Pressure-temperature ratings:ASME B16.34
Wall Thickness Dimension:API 600, BS 1868
Inspection and Test:API598, API600 or API 6D
Design and Manufacture:Cast Steel Check Valve to BS 1868, ASME B16.34, API 6D
End Flange Dimension:ASME B16.5 (ASME B 16.47 series B, API 605, ASME B16.47 A Series, MSS SP-44)
Main features
The valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.
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