Vacuum isolation valve

This series of vacuum isolation valve connected to form sub-flange, welding, two drive a manual, electric two kinds. The vacuum isolation valve suitable for working temperature ≤425 ℃ and ≤550 ℃, the working medium for the pipeline of water, steam or air, as the opening and closing device; especially for the thermal power plant steam turbine condensate and vacuum system, from the vacuum isolation seal effect.