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GI�ͣ�����յ��y |
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GI�͸���յ��y���ڽ�ͨ���Д���չ�·�еĚ���,���m�ý��|(zh��)�鼃���՚�ͷǸ��g�Ԛ��w,�� |
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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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GI�͸���յ��y��Ҫ���g(sh��)����
Main Technical Performance |
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���m�÷�����Applicability |
��105��1.3×10-4Pa |
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���y�T(m��n)©�ʣ�Valve Leak Rate |
��≤1.3×10-4Pa.L/S. |
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���m�Üضȣ�Applicable Temperature |
��-25��+80��(�������z)
��-30��+150��(�����z) |
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�����b����Mounting Direction |
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GI�͸���յ��y ��Ҫ�������
Materials of Main Parts |
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Body, bonnet and stem: carbon steel or stainless steel
Sealing element: NBR, Viton |
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CONSTRUCTION FIGHTS(mm) |
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Model
��̖(h��o)
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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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