Diaphragm check valve

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The working principle and classification of check valve

The working principle and classification of check valve

Check valve is a kind of valve used to control the flow of media, it has the important role of preventing the backflow of media and protecting the safety of equipment. Its working principle is to rely on the medium itself pressure and spool weight to achieve the opening and closing state, when the medium flows into the valve in the specified direction, the flow pressure over the opening pressure of the check valve, the disc will be pushed open under the action of the fluid pressure, the media is smoothly flowing。

Key words:

Check valve

Check valve is a kind of valve used to control the flow of media

lift check valve

Silent check valve

Swing check valve

butterfly check valve

Diaphragm check valve

threaded connection

flange connection

welded connection

clamped connection