China Swing Check Valves and Flanged Swing Check Valves - China Manufacturers, Suppliers, Factory
China Swing Check Valves and Flanged Swing Check Valves, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .
A. Operating torque
The operating torque is the most important parameter for selecting the butterfly valve electric actuator. The output torque of the electric actuator should be 1.2~1.5 times the ...
Valves in the various industries in a wide range of applications, mainly in the petroleum, petrochemical, chemical, metallurgy, electric power, water conservancy, urban construction, fire, machiner...
Butterfly valve is a kind of valve that uses a disc opening and closing part to reciprocate about 90° to open, close or adjust the flow rate of the medium. Butterfly valve not only has simple struc...
Butterfly valve is a kind of valve, is installed on a pipe, used to control the circulation of medium in a pipe. Butterfly valve is characterized by simple structure, light weight, including transm...
1. Valve selection principle:
The selected valve should meet the following basic principles.
(1) Safety and reliability of petrochemical, power station, metallurgy and other industries require cont...
1 Treatment method for increasing pneumatic valve leakage
If the case of the valve spool is worn to reduce the leakage of the valve, it is necessary to clean and remove the foreign body; if the pre...
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