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GI high vacuum valve

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GI high vacuum valve

 

GI series high vacuum valve is used to connect or disconnect the vacuum tube in the air. Valve opening and closing a lock function.
GI series high vacuum valve working medium suitable for air and non-corrosive gases.
The main technical performance

Scope (Pa)
1051.3x10-5
Valve leak rate (Pa.L/S)
≤1.3x10-6
Medium temperature(℃)
-25~+80(Sealing material is nitrile rubber)
-30~+150(Viton sealing material)
Air pressure(MPa)
0.4~0.8
Flange Standard
JB919
Installation location
Any

The main external connection size

Model
DN
ΦD
ΦB
H
A
L
n-ΦC
GI-25
25
70
55
65
22
105
4-Φ7
GI-32
32
78
64
70
22
105
4-Φ7
GI-40
40
85
70
75
22
116
4-Φ7
GI-50
50
110
90
90
22
116
4-Φ9
GI-63
63
130
110
100
26
132
4-Φ9
GI-80
80
145
130
110
30
154
4-Φ9
GI-100
100
170
145
120
30
154
4-Φ12
GI-125
125
195
170
140
35
197
4-Φ12
GI-150
150
220
195
155
35
197
8-Φ12
GI-200
200
275
250
190
40
242
8-Φ12
GI-250
250
330
300
225
45
330
8-Φ12
GI-300
300
380
350
245
55
330
8-Φ14
GI-400
400
500
465
409
60
420
8-Φ18

Note: GI-63 flange connection of GB / T6070 Standard
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