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GM serial High-vacuum diaphragm valve

Min.Order Quantity: 1 Set/Sets GM serial High-vacuum diaphragm valve

Supply Ability: 2 Set/Sets per Month GM serial High-vacuum diaphragm valve

Payment Terms: L/C,T/T,


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                                            GM serial High-vacuum diaphragm valve

High-vacuum diaphragm valve utilizes the valve stem to directly press the rubber diaphragm into the valve seat for the purpose of cutting off or connecting the vacuum system.

The applicable active media of this valve are air and non-corrosive gas.

Main techinical performance:

Applicable rangePa

10 5  ~1.3×10 -4

Gas leakage ratePa.L/S)

≤1.3×10 -4

Medium temperature

-25~+80(Seal material: acrylonitrile butadiene rubber)

-30~+150(Seal amterial: fluoro rubber)

Installation position

Any

GM.png

( Picture one)Loose flange"s outline dimension and conncection size

Model

Nominal diameter (DN)

ΦD

ΦB

ΦW

H

L

n-ΦC

Flange standard

GM-10

10

46

36

55

75

75

4-Φ6

JB919

GM-25

25

70

55

90

115

120

4-Φ7

GB/T6070

GM-40

40

100

80

100

132

150

4-Φ9

GM-50

50

110

90

100

157

180

4-Φ9

 

(Picture two)Quick release flange (KF)Outline dimension and connection size

Model

Nominal diameter (DN)

ΦD

ΦW

H

L

Flange standard

GM-10/KF

10

30

55

75

75

GB4982

GM-25/KF

25

40

90

115

100

GM-40/KF

40

55

100

132

150

GM-50/KF

50

75

100

157

180

/

 

Welding joint and ouline dimension

Model

Nominal diameter (DN)

ΦD

ΦW

H

L

GM-10-H(I)

10

19

55

75

150

GM-25-H(I)

25

32

90

115

200

GM-40-H(I)

40

45

100

132

240

GM-50-H(I)

50

57

100

157

240

GM-10-H(II)

10

9

55

75

150

GM-25-H(II)

25

19

90

115

200

 


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