GDQ-J(b) electronic and pneumatic high vacuum damper valve(Angle Valve) is sealed by sylphon and signaled by electrical signal as the valve switch and depended on the compressed air as the motive force to open or close the valve. The valve will be relied on the spring to close the valve automatically when losing power supply or the compressed air. To be the on and off mechanism in the high vacuum tube, such valve is advantageous in operating steady and reliable with long life span, which can be the top choice within the automatic vacuum facilities. Applicable medium can be air and noncorrosive gases.
Basic Dimensions
| Applicable Scope(Pa) | 1×105～1.3×10-6 |
| Valve Leak Rate(Pa.L/S) | ≤1.3×10-7 |
| Applicable Temperature（℃） | -25～+40 |
| Air Source Pressure（MPa） | 0.4～0.6 |
| Flange Standard | GB4982 |
| Install Position | Arbitrary |
| Power Valtage | Standard Technism：AC220V/50Hz especially for AC110V；DC24V；DC12V. |
| Signal Feedback | Standard Technism：without signal feedback especially for microswitch |
Overall Dimensions
| Model | Diameter(DN) | ΦD | ΦB | W | H | h | A | bxb |
| GDQ-J10(b)/KF | 10 | 30 | 12.2 | 76 | 170 | 146 | 40 | 36×36 |
| GDQ-J16(b)/KF | 16 | 30 | 17.2 | 76 | 170 | 146 | 40 | 36×36 |
| GDQ-J25(b)/KF | 25 | 40 | 26.2 | 95 | 200 | 165 | 50 | 61×61 |
| GDQ-J40(b)/KF | 40 | 55 | 41.2 | 112 | 232 | 186 | 65 | 80×80 |
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