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2021-04-20Application scope and working principle of 100A angle type constant water level valve
100A angle type constant water level valve is a diaphragm type valve for regulating the liquid level of water tank and water tower. The valve is divided into upper and lower chambers by a special reinf...
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2021-04-20How to calculate the conversion between CV value and Kv value of valve
Valve CV value and Kv value conversion represents what, how to calculate Valve flow coefficient is often expressed as CV, and its definition conditions are different from those in China. CV is defined ...
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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...
