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GDQ�ͣ���Ӹ���Փ����y |
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GDQ�͚�Ӹ���Փ����y��ͨ�^늴œQ���y��׃��·����,�����ƈ�(zh��)�К���(q��)���y�T�����]�\�ӡ����ڽ�ͨ���Д���չ�·�еĚ���,���m�ý��|(zh��)�鼃���՚�ͷǸ��g�Ԛ��w��
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GDQ�ͣ���Ӹ���Փ����y
Pneumatic High Vacuum Flapper Valve
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GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed. It is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases.
With signal feedback device. |
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GDQ�ͣ���Ӹ���Փ����y��Ҫ���g(sh��)����
Main Technical Performance |
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| ���m�÷�����Applicability |
��105��1.3×10-4Pa(�S������z)
��105��1.3×10-5Pa(�S��鲨�y��) |
| ���y�T©�ʣ�Valve Leak Rate |
��≤1.3×10-4Pa.L/S.(�S������z)
��≤1.3×10-5Pa.L/S.(�S��鲨�y��) |
| ���m�Üضȣ�Applicable Temperature |
��-25��+80��(�������z)
��-30��+150��(�����z) |
| ����Դ������Annoy pressure |
��0.4��0.6MPa |
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GDQ�ͣ���Ӹ���Փ����y��Ҫ�������
Materials of Main Parts |
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Body, bonnet and stem: aluminium alloy, carbon steel or stainless steel
Sealing element: NBR, Viton, bellows(shaft seal) |
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| CONSTRUCTION FIGHTS(mm) |
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GDQ�ͣ���Ӹ���Փ����y��ж���m�B�� |
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Model
��̖
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DN
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D1
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D
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A
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H
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B
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W
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���m��(bi��o)��(zh��n)
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GDQ-J10(b)
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10
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12.2
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30
|
30
|
120
|
52
|
40
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GB4982
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GDQ-J16(b)
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16
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17.2
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30
|
40
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140
|
58
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40
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GDQ-J25(b)
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25
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26.2
|
40
|
50
|
150
|
58
|
40
|
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GDQ-J32(b)
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32
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34.2
|
55
|
58
|
158
|
58
|
40
|
|
GDQ-J40(b)
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40
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41.2
|
55
|
65
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183
|
75
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50
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GDQ-J50(b)
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50
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52.2
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75
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70
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190
|
75
|
50
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GDQ�ͣ���Ӹ���Փ����y�����m�B�� |
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Model
��̖
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DN
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D
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Do
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D2
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A
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P
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H
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n-φc
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DNy�A(y��)���
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���m��(bi��o)��(zh��n)
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GDQ-J50
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50
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110
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90
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55
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70
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95
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278
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4-φ9
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GB6070
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GDQ-J63
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63
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130
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110
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68
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88
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108
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360
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4-φ9
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GDQ-J80
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80
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145
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125
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85
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98
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133
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379
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8-φ9
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GDQ-J100
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100
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165
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145
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105
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108
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159
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394
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8-φ9
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GDQ-J(S)160
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160
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225
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200
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165
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158
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240
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555
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8-φ11
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DN40 GB4982
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GDQ-J(S)200
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200
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285
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260
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208
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200
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280
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623
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12-φ11
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DN50 GB6070
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GDQ-J(S)250
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250
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335
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310
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258
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208
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350
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663
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12-φ11
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DN63 GB6070
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GDQ-J(S)320
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320
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425
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395
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328
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250
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425
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832
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12-φ14
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DN80 GB6070
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GDQ-J(S)400
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400
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510
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480
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410
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330
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530
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1120
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16-φ14
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DN100 GB6070
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GDQ-J(S)500
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500
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610
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580
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510
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360
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630
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1036
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16-φ14
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DN125 GB6070
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GDQ-J(S)630
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630
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750
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720
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642
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450
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750
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1415
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20-φ14
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DN160 GB6070
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GDQ-J(S)800
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800
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920
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880
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815
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530
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920
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1850
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24-φ14
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DN200 GB6070
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GDQ-J(S)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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158
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160
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555
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8-φ12
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DN40 GB4982
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JB919
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GDQ-J(S)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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250
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250
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832
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8-φ14
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DN80 GB6070
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GDQ-J(S)600
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600
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710
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670
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610
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450
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750
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1415
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12-φ21
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DN150 GB919
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