GI
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GI型高真空蝶阀用于接通或切断真空管路中的气流。适用介质为纯净空气和非腐蚀性气体。
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GI
High Vacuum Butterfly Valve
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GI 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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主要技术性能
Main Technical Performance
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适用范围:Applicability
105～1.3×10-4Pa
阀门漏率:Valve Leak Rate
≤1.3×10-4Pa.L/S.
适用温度:Applicable Temperature
-25～+80℃(丁腈橡胶)
-30～+150℃(氟橡胶)
安装方向:Mounting Direction
任意
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主要零件材料
Materials of Main Parts
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阀体、阀盖、阀杆:碳钢或不锈钢
密封件:丁腈橡胶、氟橡胶。
Body, bonnet and stem: carbon steel or stainless steel
Sealing element: NBR, Viton
CONSTRUCTION FIGHTS(mm)
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外形及连接尺寸(mm)(JB919)
Overall and Connection Dimensions(mm)
Model
型号
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
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