Category:
GI series
High Vacuum Butterfly Valve
GI series high vacuum butterfly valve is used to connect or cut off the air flow in the vacuum tube. The opening and closing of the valve has a locking function. The applicable working medium is air and non-corrosive gas.
Product Consultation- Technical Parameters
- Dimensions
- Electronic sample download
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- Commodity name: High Vacuum Butterfly Valve
- Commodity ID: D-001
- 型号: GI series
GI series high vacuum butterfly valve is used to connect or cut off the air flow in the vacuum tube. The opening and closing of the valve has a locking function. The applicable working medium is air and non-corrosive gas.
- Applicable range (Pa) 105 ~1.3×10-6
- Valve leakage rate (Pa.L/S) ≤1.3×10-7
- Medium temperature (°C) -25~+80 (the sealing material is NBR) -30~+150 (the sealing material is fluororubber)
- Valve main parts material stainless steel or carbon steel
- Flange standard JB919
- Installation position any
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Connection and Dimensions
model
diameter（DN）
ΦD
ΦB
H
A
L
n-ΦC
GI-25
25
70
55
64
22
104
4-Φ7
GI-32
32
78
64
68
GI-40
40
85
70
72
116
GI-50
50
110
90
85
4-Φ9
GI-63
63
130
110
96
26
132
GI-80
80
145
125
108
30
154
GI-100
100
170
145
120
4-Φ12
GI-125
125
195
170
136
35
197
GI-150
150
220
195
150
8-Φ12
GI-200
200
275
250
185
40
242
GI-250
250
330
300
219
45
330
GI-300
300
380
350
245
55
8-Φ14 GI-400
400
500
465
320
60
435
8-Φ18
Note: GI-63 flange connection is GB/T6070 standard.
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File size: 224.4KB
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