Parker ball valves are widely used in petroleum refining, long-distance pipelines, chemicals, paper, pharmaceuticals, water conservancy, electricity, municipal, steel and other industries, occupying a decisive position in the national economy. In fact, the wide application of the ball valve is inseparable from his various classifications. Then Xiaobian will give you a brief introduction to his classification.
By function
1, by-pass valve: ball valve is generally open for static water, so set the bypass valve flat pressure, that is, both sides filled with water;
2. Air valve: When filling water, take out the air and take the buoy to close the valve on its own; when it is drained, use air to supplement it and float it to drop by itself;
3, pressure relief valve: open and close the valve, remove the pressure between the valve and the seal cover, so as not to wear the seal cover;
4. Drain valve: Discharge the sewage in the lower part of the ball shell.
Press transmission
1, pneumatic ball valve
2, electric ball valve
3, hydraulic ball valve
4, pneumatic ball valve
5ã€Electrohydraulic ball valve
6, turbine transmission ball valve
What is the classification of ball valve
September 05 11:05:03, 2021
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