Wafer Flap Type Check Valve
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.
Main Parameter Specification
Inspection and test: API598, JB/T9092;
Design and manufacture: API594, API 6D,JB/TB8937;
Face to face and end to end: API594, API6D, DIN3202, JB/T8937;
Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74;
Pipe flange: JB/T74~90, SH3406, ASME B16.5, DIN2543~2548, GB/T13402, API605, ASME B16.47.
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