Osaka Vacuum
Osaka DSP251 / DSP501 Dry Vacuum Pumps


Manufacturer: Osaka Vacuum, Ltd.
Model: DSP251 / DSP501
Features
- Clean Vacuum
- No oil back-streaming to the chamber.
- Maintenance Free
- No time gear means no lubricating oil to be maintained.
- Maintenance free due to no chip seal change or oil change is required.
- Compact
- Small-size, lightweight, and easy to carry.
- Air-Cooled Type
- No utility required other than the electricity.
- High-Speed Pump Down
- Large pumping speed at close to atmospheric pressure range by the bypass line.
- Energy Efficient
- Low power consumption design
Specifications
| Model | DSP 251 | DSP 501 | |||
| Performance | Pumping Speed | w/o Gas Ballast | L/min | 230 | 500 |
| w Gas Ballast | L/min | 200 | 430 | ||
| Base Pressure | w/o Gas Ballast | Pa | 0.5 | ||
| w Gas Ballast | Pa | 2 | |||
| Port Dimension | Inlet | – | KF25 | KF40 | |
| Outlet | – | KF25 | |||
| Approx. Weight | kg | 16 | 21 | ||
| Utility | Power Input | Phase | Single Phase | ||
| Voltage | V | AC100-230 ±10%(50/60Hz) | |||
| Power Capacity | VA | 450 | 660 | ||
| Connector | – | Made by Hirakawa Hutec CM11 | |||
| Power consumption | At Base Pressure | W | 240 | 270 | |
| Maximum | 380 | 600 | |||
Dimensions












