Zhejiang Naibang Valve Co.,Ltd
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Check Valve

Sea Water Service Wafer Double Plate Check Valve

Sea Water Service Wafer Double Plate Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...

Products 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.




Pressure Range:


Working Temperature: 


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.


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

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of sea water service wafer double plate check valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.
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