Flanged Stainess Steel Swing Check Valve

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Product Detail

Check valve is to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent the media back to the valve, also known as check valve, check valve, counterflow valve, and back pressure valve. Check valve is an automatic valve, its main role is to prevent media backflow, to prevent the pump and drive motor reversal, and the release of container media.

Check Valve (Check Valve): divided by structure, can be divided into lifting check valve, swing check valve and butterfly check valve three. Lift check valve can be divided into vertical and straight-through two. Swing check valve is divided into single-valve, double-valve and multi-valve three. Butterfly check valve Butterfly double valve, butterfly single flap, the above types of check valve in the connection form can be divided into thread connection, flange connection, welding and clip-on connection of four.


Install editing

Check Valve installation should pay attention to the following


1, do not make the check valve in the pipe system to bear the weight, large check valve should be independent support, so that the pressure generated by the piping system.


2, when installing, pay attention to the direction of the medium flow should be consistent with the direction of the arrow marked by the valve body.


3, vertical drop-check valve should be installed in the vertical pipe.


4, lift-level flap check valve should be installed on the level of the pipeline.


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