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GDQ Series
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 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. |
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Main Technical Performance |
| Vacuum Range： |
105~6.7x10-4Pa(sealing of shaft is NBR or Viton）
105~6.7x10-6Pa(sealing of shaft isBellows） |
| Valve Leak Rate：
|
≤1.3x110-4 Pa.L/S(sealing of shaft is NBR or Viton）
≤1.3x10-6 Pa.L/S(sealing of shaft isBellows） |
| Applicable Temperature： |
-25~+80℃(NBR)
-30~+150℃(Viton) |
| Actuator Air Pressure： |
0.4-0.6MPa |
| Mounting state： |
Any |
| Power Voltage： |
Standard： 220v±10%/50Hz，
Special： AC110V,DC24V | |
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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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Overall and Connection Dimensions (mm) |
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Model
|
DN |
D |
D1 |
A |
H |
B |
W |
法兰标准 |
| GDQ-J10b |
10 |
30 |
12.2 |
30 |
120 |
52 |
40 |
GB4982
ISO-KF |
| GDQ-J16b |
16 |
30 |
17.2 |
40 |
140 |
58 |
40 |
| GDQ-J25b |
25 |
40 |
26.2 |
50 |
150 |
58 |
40 |
| GDQ-J32b |
32 |
55 |
34.2 |
58 |
158 |
58 |
50 |
| GDQ-J40b |
40 |
55 |
41.2 |
65 |
183 |
75 |
50 |
| GDQ-J50b |
50 |
75 |
52.2 |
70 |
190 |
75 |
50 | |
| |
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Model
|
DN |
D |
D0 |
D2 |
A |
P |
H |
n-øc |
DNy预抽口 |
法兰标准 |
| GDQ-J50b |
50 |
110 |
90 |
55 |
70 |
95 |
278 |
4-ø9 |
|
GB6070 |
| GDQ-J63 |
63 |
130 |
110 |
68 |
88 |
108 |
360 |
4-ø9 |
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| GDQ-J80 |
80 |
145 |
125 |
85 |
98 |
133 |
379 |
8-ø9 |
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| GDQ-J100 |
100 |
165 |
145 |
105 |
108 |
159 |
394 |
8-ø9 |
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| GDQ-J(S)160 |
160 |
225 |
200 |
165 |
158 |
240 |
555 |
8-ø11 |
DN 40 GB4982 |
| GDQ-J(S)200 |
200 |
285 |
260 |
208 |
200 |
280 |
623 |
12-ø11 |
DB50 GB6070 |
| GDQ-J(S)250 |
250 |
335 |
310 |
258 |
208 |
350 |
663 |
12-ø11 |
DN 63 GB6070 |
| GDQ-J(S)320 |
320 |
425 |
395 |
328 |
250 |
425 |
832 |
12-ø14 |
DN 80 GB6070 |
| GDQ-J(S)400 |
400 |
510 |
480 |
410 |
330 |
530 |
1120 |
16-ø14 |
DN 100 GB6070 |
| GDQ-J(S)500 |
500 |
610 |
580 |
510 |
360 |
630 |
1036 |
16-ø14 |
DN 125 GB6070 |
| GDQ-J(S)630 |
630 |
750 |
720 |
642 |
450 |
750 |
1415 |
20-ø14 |
DN 160 GB6070 |
| GDQ-J(S)800 |
800 |
920 |
890 |
815 |
53 |
920 |
1731 |
24-ø14 |
DN 200 GB6070 |
| GDQ-J(S)1000 |
1000 |
1120 |
1090 |
1015 |
650 |
1120 |
2020 |
32-ø14 |
DN 320 GB6070 |
| GDQ-J(S)150 |
150 |
220 |
195 |
156 |
158 |
160 |
555 |
8-ø12 |
DN 40 GB4982 |
JB919 |
| GDQ-J(S)300 |
300 |
380 |
350 |
308 |
250 |
250 |
832 |
8-ø14 |
DB 80 GB6070 |
| GDQ-J(S)600 |
600 |
710 |
670 |
610 |
450 |
750 |
1415 |
12-ø21 |
DN 150 JB919 |
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注：1. DN≤160 的规格标准出厂时都可反顶大气，反向漏率与正向漏率相同。而其它规格则需另外指定。
2. 型号中带"J"的表示没有预抽口，带“S"的表示有预抽口，带"b"的表示波纹管轴封。
3. DN63以上的产品，若其主要材料需要 为不锈钢或纹管轴时，客户须特殊指定。 | |
