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Shenyang Taike Fluid Control Co.,Ltd

Classification Of WCB Check Valve

Check valve, also known as one-way valve or check valve, water pump outlet valve is also a check valve, its role is to prevent the reverse flow of medium in the pipeline, that is, the need for the opposite direction of flow. The valve is opened or closed by the force of the medium flow to prevent the medium from returning to the valve. Check valve is an automatic valve, check valve is mainly used for medium flow on the pipeline, only to allow the media to flow in one direction to prevent the occurrence of fluid counter-current accident.WCB Check Valve

Check valve by structure, can be divided into lift check valve, swivel check valve and butterfly check valve, shuttle 4 kinds. Lifting check valve can be divided into vertical lift check valve and horizontal lift check valve two. Swing check valve is divided into single flap check valve, double flap open check valve and multi-flap open check valve three. Butterfly check valve, butterfly valve to open and close the central axis, like butterflies waving wings in general, so called butterfly check valve shuttle check valve for the straight check valve, more than a few check valves in the connection form Can be divided into three types of threaded connection check valve, flange connection check valve and welding check valve. The lift type flap check valve should be installed on a horizontal pipe. WCB Check Valve The structure of the lift check valve is generally similar to the cut-off valve, the valve flap along the channel in the line for lifting movements, reliable action, but the fluid resistance is large, suitable for small caliber occasions. Lifting check valve can be straight and vertical two. Straight-through lift check valves can only be installed in the horizontal pipe, and vertical lift check valve is generally installed in the vertical pipe. The flap of the swivel check valve is used for rotary motion. Its fluid resistance is generally less than the lift check valve, it is suitable for larger caliber occasions. Swing check valve according to the number of discs can be divided into single-swivel, double-flap and multi-flap open three.WCB Check Valve


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