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Check Valve Classification Structure

Ningbo Fenfa Valve Co.,Ltd | Updated: May 15, 2017

Check the simple introduction and classification structure you know?

Check valve is to rely on the media itself to automatically open and close the valve, used to prevent the media back to the valve, also known as check valve, check valve, counter valve, and back pressure valve. Check valve is an automatic valve, its main role is to prevent the media back to prevent the pump and drive the motor reversal, and the container media discharge.

Check valve classification

The opening and closing of the medium by the flow of power to open or close itself to prevent the media back to the valve called the check valve. Check valve is an automatic valve, mainly for the media on the one-way flow of the pipeline, only to allow the media to flow in one direction to prevent accidents.

Check valve by structure, can be divided into lift check valve, swivel check valve and butterfly check valve three:

1. Lifting check valve is divided into vertical and horizontal two.

2. Swing check valve is divided into single-valve, double-valve and multi-valve type three.

3. The butterfly check valve is straight type.

Check valve More than a few check valves in the form of connection can be divided into threaded connection, flange connection, welding connection and folder to connect four.

Check valve structure

Check valve: According to the structure, can be divided into lift check valve, swivel check valve and butterfly check valve three. Lifting check valve can be divided into vertical and straight type two. Swing check valve is divided into single-valve, double-valve and multi-valve type three. Butterfly check valve for the butterfly double valve, butterfly single flap, more than a few check valves in the form of connection can be divided into threaded connection, flange connection, welding and folder to connect four.



Ningbo Fenfa Valve Co.,Ltd