The GDQ-J63(B) is a pneumatic high vacuum baffle valve for DN63 vacuum lines, with welded bellows sealing rated for 800,000 cycles and a conductance of 160 L/s.
| Model | GDQ-J63(B) |
| Nominal diameter (DN) | DN63 mm |
| Pressure range | 1*10⁻⁵ ~ 1*10⁵ Pa |
| Leak tightness | ≤1.3*10⁻⁷ Pa·L/s |
| Conductance | 160 L/s |
| Cycles until first service | 800,000 times |
| Opening / closing time | ≤0.8 s |
| Temperature | ≤120 °C |
| Power supply | AC 220 V 50 Hz 6 W or DC 24 V 3 W |
| Air source | 0.4~0.7 MPa |
| Position indication | Magnetic switch / mechanical indicator |
| Installation position | Any |
| Dimensions A*B*C*D1*E*F*G | 255*63*88*108*142*154*40 mm |
| Body material | Stainless steel |
High vacuum systems, coating, semiconductor, vacuum furnace, analytical instruments and general vacuum pipelines.