vacuum valve products overview: the valve is suitable for working temperature & lt; 425℃,& lt; 550 ℃, the working medium ( Water, steam, or air) The pipeline as an opening and closing device, especially suitable for thermal power plant steam turbine condenser and vacuum negative pressure system, vacuum isolating and sealing effect. This series of valves with flange connections and welding, manual and electric drive. Vacuum valve characteristics and advantages of the main body of the valve series of casting structure, and half a mandatory two-way parallel double sealing seal. Seal movement in place, the wedge to gradually move, to achieve zero leakage. The sealing surface has a small friction, portable, sealing surface wear self-compensation for opening and closing, etc. The utility model has simple structure, compact structure, convenient maintenance, long service life. cover packing chamber adopts vacuum sealed structure, with the expansion and compression function, adopt high strength expansion material, make the system completely isolated from the atmosphere, system tightness. Vacuum valve is suitable for the operating temperature ( < 425℃,& lt; 550 ℃, the working medium ( Water, steam, or air) The pipeline as an opening and closing device, especially suitable for thermal power plant steam turbine condenser and vacuum negative pressure system, vacuum isolating and sealing effect.

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