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VTGI型－高真空蝶閥
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VTGI型高真空蝶閥用于接通或切斷真空管路中的氣流。適用介質為純凈空氣和非腐蝕性氣體。
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VTGI
High Vacuum Butterfly Valve
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VTGI high vacuum butterfly valve is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases.
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主要技術性能
Main Technical Perbance
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適用范圍：Applicability
105～1.3×10-4Pa
閥門漏率：Valve Leak Rate
≤1.3×10-4Pa.L/S.
適用溫度：Applicable Temperature
-25～+80℃(丁腈橡膠)
-30～+150℃(氟橡膠)
安裝方向：Mounting Direction
任意
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主要零件材料
Materials of Main Parts
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閥體、閥蓋、閥桿：碳鋼或不銹鋼
密封件：丁腈橡膠、氟橡膠。
Body, bonnet and stem: carbon steel or stainless steel
Sealing element: NBR, Viton
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CONSTRUCTION FIGHTS(mm)
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外形及連接尺寸(mm)
Overall and Connection Dimensions(mm)
Model
型號
DN
D
Do
D1
B
H
B1
L
n-φc
GI-32
32
78
64
36
22
32
36
115
4-φ7
GI-40
40
85
70
44
22
40
36
115
4-φ7
GI-50
50
110
90
55
22
50
36
115
4-φ9
GI-65
65
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125
105
70
26
130
38
135
4-φ9
GI-80
80
145
125
85
30
140
38
135
4-φ9
GI-100
100
170
145
105
30
153
38
135
4-φ12
GI-150
150
220
195
156
35
179
40
165
8-φ12
GI-200
200
275
250
208
40
208
40
185
8-φ12
GI-250
250
330
300
258
45
234
45
300
8-φ14
GI-300
300
380
350
308
55
300
55
350
8-φ14
GI-400
400
500
465
408
60
340
60
500
8-φ18
