Sea Water Service Wafer Double Plate Check Valve

Sea Water Service Wafer Double Plate Check Valve
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Product Details

Product Application

Opening and closing parts by the media flow and power to open or close on their own, in order to prevent the backflow of the media called the check valve. Check valves are automatic valves, mainly for the medium one-way flow of the pipeline, allowing the media to flow in one direction, to prevent accidents.
Check valve according to the structure, can be divided into lift check valve, swing check valve and butterfly check valve.


Specifications

Size:

1/2"~48"(DN15~DN1200)

Pressure Range:

Class150~2500(PN16~PN1200)

Working Temperature:

-196℃~+560℃

Suitable Medium:

Water, Steam, Nitric  acid, Acetic acid, Oil, etc

Body Material:

Carbon steel, Stainless steel, Alloy  steel, Bronze, etc


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.


Standards

Design & Manufacture: API594, JB/TB8937

Inspection and Test: API598, JB/T9092

Face to Face:  API594, API6D, DIN3202, JB/T8937

Flange End: DIN2543-2548, API605, ASME B 16.47, ANSI B 16.5

Pressure-Temperature Rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74



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