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GM Series High Vacuum Diaphragm Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 86 (21) 3652 8716
Mob: (86) 138 1635 6498

product drawing

GM series high vacuum diaphragm valves
GM series high vacuum diaphragm valves

Features and usages

GM series high vacuum diaphragm valve is used for connecting or cutting off the vacuum system. Connecting pipe welding vacuum diaphragm valve is the ideal fitting for lithium bromide refrigeration equipments. GM series vacuum diaphragm valve applicable medium is air and non-corrosive gas. Flange connection standard according to GB6070 or GB4982 requirements, or can be connecting pipe welding type.

Main technical specifications

applicable scope Pa 1.3×10-4
leakage rate Pa.L/S 6.7×10-4
medium temperature ℃ diaphragm is NBR, -25~+80
diaphragm is fluorubber, -30~+150

The materials of main parts

part name materials
body carbon steel, stainless steel
diaphragm NBR, fluorubber
stem stainless steel

External and connection dimensions(mm)

GM series high vacuum diaphragm valve constructral diagram pic1
GM series high vacuum diaphragm valve constructral diagram pic1
GM series high vacuum diaphragm valve constructral diagram pic2
GM series high vacuum diaphragm valves constructral diagram pic2
GM series high vacuum diaphragm valve constructral diagram pic3
GM series high vacuum diaphragm valves constructral diagram pic3
GM series high vacuum diaphragm valve constructral diagram pic4
GM series high vacuum diaphragm valves constructral diagram pic4

Ⅰtype connecting pipe-welding diaphragm valve external and connection dimensions(figure1)

type/dimension DN D H A L L1
GM-10C-H(Ⅰ) 10 19 80 55 240 120
GM-25C-H(Ⅰ) 25 32 105 80 240 120
GM-40C-H 40 45 133 100 240 120
GM-50C-H 50 57 157 100 240 120
GM-10D-H(Ⅰ) 10 19 77.5 50 150 150
GM-25C-H(Ⅰ) 25 32 105 60 75 75

II type connecting pipe-welding diaphragm valve external and connection dimensions(figure 2)

type/dimension DN D H A L L1
GM-10C-H(Ⅱ) 10 19 80 55 195 120
GM-25C-H(Ⅱ) 25 32 105 80 236 120
GM-10D-H(Ⅱ) 10 19 77.5 50 150 75
GM-25D-H(Ⅱ) 25 32 105 66 175 75

Ⅲ piston connection diaphragm valve external and connection dimensions(figure 3)

type/dimension DN D D1 H A L
GM-10C-KF 10 30 12.2 80 55 75
GM-25C-KF 25 40 26.2 105 80 120
GM-40-KF 40 50 41.2 133 100 120

Ⅳ piston connection diaphragm valve external and connection dimensions(figure 4)

type/dimension DN D D1 H A L n-Фc
GM-10C 10 46 36 80 55 75 4-Ф6
GM-25C 25 70 55 105 80 120 4-Ф7
GM-40C 40 100 80 133 100 150 4-Ф9
GM-50C 50 110 90 157 100 180 4-Ф9

implement standard:design and manufacture:GB/TM12239 face to face dimension:JB1688 flange connection dimension:JB78(PN1.0MPa)

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