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Functional classification of ball valves

Views: 1     Author: Site Editor     Publish Time: 2021-08-27      Origin: Site


1. Bypass valve: the ball valve is generally opened by static water, so the bypass valve is set for flat pressure first, that is, both sides are filled with water;

2. Air valve: when filling water, remove the air and take the float to close the valve by itself; During drainage, make up air and the pontoon will descend by itself;

3. Pressure relief valve: when opening and closing the valve, drain the pressure water between the valve and the sealing cover to avoid wearing the sealing cover;

4. Blowdown valve: discharge the sewage from the lower part of the spherical shell.

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