GM High vacuum diaphragm valve

GM High vacuum diaphragm valve use valve rod to press rubber film directly on the valve seat, use to cut-off or connect vacuum system. Connection form as: lap joint flange connection, fast unload flange connection,weld type connection. Weld type connection is divided into weld I type connection(both end weld),weld II type connection(one end weld,another end insert). Applicable medium can be air and noncorrosive gases.

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