1. Nominal diameter:
2" - 48" (DN50 - DN1200)
2. Pressure range:
Class 150 - Class 2500 (PN16 - PN420)
3. Working temperature:
4. Body material:
Carbon steel, Stainless steel, Alloy steel, Bronze
5. End Connection:
RF, RTJ, BW
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;
Pipe flange: JB/T74~90, SH3406, ASME B16.5, DIN2543~2548, GB/T13402.
Pressure-temperature rating: ASME B16.34, DIN2410,GB/T9124, HG20625, SH3406, JB/T74;
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