Female thread check valve refers to the valve that automatically opens and closes the valve flap depending on the flow of the medium itself, and is used to prevent the medium from flowing back. It is also called a check valve, one-way valve, reverse flow valve, and back pressure valve. The check valve is a kind of automatic valve, its main function is to prevent the backflow of the medium, prevent the pump and the drive motor from reversing, and the discharge of the container medium. Check valves can also be used to supply pipelines where the pressure of the auxiliary system may rise above the system pressure.

Swing Check Valve VS Flange

1. Material:

Swing type check valve material can be CF8,CF8M,CF3M, flanged end check valve material can be C/I, D/I, WCB, Stainless Steel

2. Pressure:

Swing Check valve pressure is 200WOG,800WOG,1000WOG,1500WOG,2000WOG.Flanged check valve pressure is Class125/150/300/600/900, PN10/PN16/PN25/PN40/PN63, 5K/10K/16K

3. Range of Applications (Similarity):

Stardard: ANSI, BS, DIN

Sealing Material: PTFE, R-PTFE

Connection type:Thread end (difference)

4. Installation (Difference):

Threaded swing check valve types with male threaded fitting or pipe connected directly to pipeline.

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