Osaka Vacuum
Osaka P90 Oil-Sealed Rotary Vacuum Pumps
Manufacturer: Osaka Vacuum, Ltd.
Model: P90
Features
- Stable and continuous operation at high pressures (low vacuum zones)
- Withstanding operation characterized by severe repetition
- Robust exhaust valve
- Sight glass for observing oil circulation
- Oil gauge for observing oil level
- Efficient oil separator
- Easy to make an inspection and maintain the exhaust valve storage
- Easy cleaning oil tank becaus of a large cleanout
- Quickly discharge the oil accumulated in oil tanks via the oil drain valve
- Easily maintained shaft sealing assembly
Specifications
| Inlet flange | 50A JIS10KFF | |||
| Nominal volume flow rate (50/60Hz) | m3/h | 90 | ||
| L/min | 1500 | |||
| Permissible inlet pressure for continuous operation | kPa | ≦7 | ||
| Base pressure | Pa | 0.7 | ||
| Allowable backing pressure | kPa | ≦120 | ||
| Pumping-down time limit *1 | min | ≦30 | ||
| Maximum volume for pump down time limit | m3 | ≦15 | ||
| Rotation speed (50/60Hz) | r/min | 410 | ||
| Standard motor output | kW | 2.2 | ||
| Oil capacity | L | 5 | ||
| Cooling water consumption *2 | m3/h | Air cooling | ||
| Weight | With totally enclosed fan cooling motor | kg | 185 | |
| Without motor | kg | 165 | ||
*1: Applies to the time from atmospheric pressure to 7 kPa with a tank free of leakage or gas emissions.
*2: Maximum cooling water temperature should be 30℃.
-Allowable ambient temperature: 10 to 40℃ during operation, -5 to +60℃ in storage.
-Drain water before storing to prevent freezing over.
Dimensions
