To understand the general structure and principles of various types of vacuum valves. For the same type of vacuum valve, the valve type should be ...
In the vacuum drying process of electrical products industry such as transformers, transformers, capacitors, etc., it is required that the vacuum system can ...
The pressure is lower than atmospheric pressure, and the pressure drop on the disc must not exceed 1 kgf/cm2. The operating temperature of the medium depends ...
The frequent operation of the valve can not only prevent impurities from accumulating on the surface of the valve seat or valve ball, but also avoid excessive ...