Classification of Check Valves
- Jun 04, 2018-
The opening and closing parts are opened or closed by the force of the medium flow to prevent the backflow of the media from the valve called check valve.
Check valve belongs to Automatic valve type, mainly used for medium unidirectional flow pipe, only allow medium to flow in one direction to prevent accident.
Check valve According to the structure division, can be divided into lifting type check valve, swing check valve and butterfly check valve three kinds:
1. Lifting type check valve is divided into vertical and horizontal two kinds.
2. Swing Check valves are divided into single, double and multiple three types.
3. Butterfly Check valve is straight-through.
The above kinds of check valve in the connection form can be divided into thread connection, flange connection, welding connection and four kinds of clamp connection.
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