Description
Pneumatic Pump
The pneumatic pump is one of the main hydraulic components of the control system for surface BOP stacks. It uses compressed air as the power source. The pneumatic pump is a device converting air pressure energy into hydraulic energy and can increase pressure up to 40MPa. When the motor doesn’t work, the pneumatic pump can pressurize the whole system.
Main Technical Parameters
| Model: | QYB40-120L |
| Maximum output pressure: | 40MPa |
| Displacement per stoke: | 128ml |
| Air supply pressure: | 0.5~1.2Mpa |
| Compression ratio | 60:1 |
| Piston travel | 97mm |
| Air cylinder diameter: | 216mm |
| Hydraulic cylinder diameter: | 28mm |
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