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GI High Vacuum Butterfly Valve
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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Main Technical Performance
¡¡ÊÊÓ÷¶Î§£ºApplicability | ¡¡105¡«1.3¡Á10-4Pa |
¡¡·§ÃÅ©ÂÊ£ºValve Leak Rate | ¡¡¡Ü1.3¡Á10-4Pa.L/S. |
¡¡ÊÊÓÃζȣºApplicable Temperature |
¡¡-25¡«+80¡æ(¶¡ëæÏð½º) -30¡«+150¡æ(·úÏð½º) |
¡¡°²×°·½Ïò£ºMounting Direction | ¡¡ÈÎÒâ |
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Materials of Main Parts
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Body, bonnet and stem: carbon steel or stainless steel
Sealing element: NBR, Viton
ÍâÐμ°Á¬½Ó³ß´ç(mm)
Overall and Connection Dimensions(mm)
Model
ÐͺŠ|
DN
|
D
|
Do
|
D1
|
B
|
H
|
B1
|
L
|
n-¦Õc
|
GI-32
|
32
|
78
|
64
|
36
|
22
|
32
|
36
|
115
|
4-¦Õ7
|
GI-40
|
40
|
85
|
70
|
44
|
22
|
40
|
36
|
115
|
4-¦Õ7
|
GI-50
|
50
|
110
|
90
|
55
|
22
|
50
|
36
|
115
|
4-¦Õ9
|
GI-65
|
65
|
125
|
105
|
70
|
26
|
130
|
38
|
135
|
4-¦Õ9
|
GI-80
|
80
|
145
|
125
|
85
|
30
|
140
|
38
|
135
|
4-¦Õ9
|
GI-100
|
100
|
170
|
145
|
105
|
30
|
153
|
38
|
135
|
4-¦Õ12
|
GI-150
|
150
|
220
|
195
|
156
|
35
|
179
|
40
|
165
|
8-¦Õ12
|
GI-200
|
200
|
275
|
250
|
208
|
40
|
208
|
40
|
185
|
8-¦Õ12
|
GI-250
|
250
|
330
|
300
|
258
|
45
|
234
|
45
|
300
|
8-¦Õ14
|
GI-300
|
300
|
380
|
350
|
308
|
55
|
300
|
55
|
350
|
8-¦Õ14
|
GI-400
|
400
|
500
|
465
|
408
|
60
|
340
|
60
|
500
|
8-¦Õ18
|
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