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2021-04-16How many stop valves are commonly used
1) Flange stop valve: in DC or Y-shaped stop valve, the flow passage of valve body is inclined with the main channel, so the damage degree of flow state is smaller than that of conventional stop valve,...
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2021-04-16Comparison of plug valves
1. Stem lifting wedge plug valve, with no friction on the switch, ensures easy operation, zero leakage and long service life. When opening the valve, the valve core moves upward to break away from the ...
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2021-04-12Application scope of electric on-off control valve
The electric on-off (on-off) regulating valve adopts double spool up and down guiding structure, equipped with electric actuator. The valve body is a three-way structure, namely one in two out (split f...
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2021-04-12What is the difference between single (double) action pneumatic valve
There is no spring in the double acting cylinder, and there is no air to turn on and off (or add air from the air circuit to turn on and off). The valve position remains unchanged in case of failure. T...
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2021-04-06Working principle of air filter
The filtering principle of the air filter separates the liquid water and liquid oil drops in the compressed air, and filters the dust and solid impurities in the air, but cannot remove the gaseous wate...
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2021-04-06What is the function of balance valve in heating pipeline
The pressure fluctuation of the network can be absorbed and the flow of the controlled load can be maintained constant. The pressure fluctuation of the network can be absorbed and the internal disturba...