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GI型－高真空蝶阀
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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
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105～1.3×10-4Pa
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阀门漏率：Valve Leak Rate
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≤1.3×10-4Pa.L/S.
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适用温度：Applicable Temperature
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-25～+80℃(丁腈橡胶)
-30～+150℃(氟橡胶)
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安装方向：Mounting Direction
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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
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CONSTRUCTION FIGHTS(mm)
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外形及连接尺寸(mm)(JB919)
Overall and Connection Dimensions(mm)
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Model
型号
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DN
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D
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Do
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D1
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B
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H
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B1
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L
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n-φc
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GI-32
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32
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78
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64
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36
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22
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32
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36
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115
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4-φ7
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GI-40
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40
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85
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70
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44
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22
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40
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36
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115
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4-φ7
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GI-50
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50
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110
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90
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55
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22
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50
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36
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115
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4-φ9
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GI-65
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65
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125
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105
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70
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26
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130
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38
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135
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4-φ9
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GI-80
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80
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145
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125
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85
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30
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140
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38
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135
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4-φ9
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GI-100
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100
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170
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145
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105
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30
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153
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38
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135
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4-φ12
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GI-150
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150
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220
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195
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156
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35
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179
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40
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165
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8-φ12
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GI-200
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200
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275
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250
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208
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40
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208
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40
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185
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8-φ12
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GI-250
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250
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330
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300
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258
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45
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234
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45
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300
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8-φ14
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GI-300
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300
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380
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350
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308
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55
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300
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55
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350
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8-φ14
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GI-400
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400
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500
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465
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408
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60
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340
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60
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500
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8-φ18
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