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Check Valve Classification Introduction
Jan 30, 2018

1. Lift Check valve: A check valve that slides along the vertical centerline of the valve body, lift check valve can only be installed in the horizontal pipe, in the high-pressure small-caliber check valve on the disc can be used ball, lift check valve body shape and cut-off valve, so its fluid resistance coefficient is larger.

2. Swing Check valve: The disc around the seat of the pin rotation of the check valve, swing check valve is more commonly used.

3. Disc Check valve: Disc Check valve revolving around the pin axis in the seat, the disc-type Non-return valve structure is simple, can only be installed on the horizontal pipe, the sealing is poor.

4. Pipe type Check valve: Valve disc along the center line of the valve, the pipeline check valve is a new type of valve, its small size, lighter weight, good processing technology, is one of the development direction of the check valve, but the fluid resistance coefficient than the swing-type check valve slightly larger.


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