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GM Series (High vacuum diaphragm valves)

GM-25

The GM series high vacuum diaphragm valve uses the stem to press the rubber mold directly on the seat to shut off or connect the vacuum system. The connection forms include looping flange connection, quick discharge flange connection and welded connection.The applicable working medium is air and non-corrosive gas

Main technical parameters
Range of application（Pa）	10⁵~1.3×104
Leak rate(Pa.L/S)	≤1.3×10⁴
Medium temperature(℃)	-25~+80(The sealing material is butadiene rubber) -30~+150(The sealing material is fluorine rubber)
Way to install	Any
Main component material	Stainless steel

Main technical parameters
Range of application（Pa）	10⁵~1.3×104
Leak rate(Pa.L/S)	≤1.3×10⁴
Medium temperature(℃)	-25~+80(The sealing material is butadiene rubber) -30~+150(The sealing material is fluorine rubber)
Way to install	Any
Main component material	Stainless steel

Looper flange connection and dimensions

Model	DN	φD	φB	φW	H	L	N-φc	Flange standard
GM-25	25	70	55	90	115	120	4-φ7	GB/T6070-1995

Looper flange connection and dimensions

Model	DN	φD	φB	φW	H	L	N-φc	Flange standard
GM-25	25	70	55	90	115	120	4-φ7	GB/T6070-1995

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