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Wafer Type Double Flanged Double Disc Rtj End Check Valve

Check valve, also known as reflux valve or non-return valve, its function is to prevent media backflow in the pipeline. The bottom valve of the pump suction close also belongs to the check valve category. The opening and closing parts are opened or closed by the flow and force of the medium to prevent the backflow of the medium from being called a check valve. Check valve belongs to automatic valve. Check valve is mainly used in the pipe of one-way flow of medium, only the medium is allowed to flow in one direction to prevent accidents.
Product Details



The  wafer check valve is a general one-way fluid valve. It is light in weight, small in volume, easy to install between flanges, and consists of two semicircular springs and plate surfaces inside the valve. The valve plate is closed by spring deformation fixed on the valve body with a pin, and the fluid pressure makes the deformation of the open spring very fast, which can protect the pipe from the damage of the water hammer.

To API594
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.

Corrosion protection
Inside and outside epoxy coating
Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)
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