ULVAC Mechanical Booster Pump PMB-C Series
By using together with dry vacuum pumps, oil rotary vacuum pumps or water-sealed vacuum pumps, mechanical booster pumps can increase pumping speed in the range between 10kPa to 0.1 Pa, where roughing pump pumping speed drops.
By using together with dry vacuum pumps, oil rotary vacuum pumps or water-sealed vacuum pumps, mechanical booster pumps can increase pumping speed in the range between 10kPa to 0.1 Pa, where roughing pump pumping speed drops.
| Model | PMB-040C | PMB-060C | |
|---|---|---|---|
| Actual pumping speed *1 | 50Hz | 3800m3/h | 6200m3/h |
| 60Hz | (63300L/min) | (103300L/min) | |
| Maximum suction pressure | 50Hz | 8.0 x 102Pa | |
| 60Hz | |||
| Ultimate pressure *2 | 6.7 x 10-1Pa | ||
| Allowable drive pressure | 1.0 x 10-3Pa | ||
| Motor (number of poles) *3 | 15kW (4P) | 18.5kW (4P) | |
| Oil *4 | ULVOIL R-7 | ||
| Oil capacity | 8.0L | ||
| Cooling water | Cooling method | Water cooling | |
| Primary side pressure | 0.1～0.3MPa | ||
| Inlet/outlet differential pressure | 0.05MPa | ||
| Cooling water volume | 10L/min | ||
| Cooling water temperature | 5 to 30℃ | ||
| Suction diameter JIS B 2290 | Corresponds to VG250 | Corresponds to VG300 | |
| Exhaust port diameter JIS B 2290 | Equivalent to VF150 | Equivalent to VF200 | |
| External dimensions | 772 x 1182 x 680mm | 772 x 1452 x 680mm | |
| L x W x H *5 | |||
| Weight | 970kg | 1100kg | |
| (without motor) | (without motor) | ||
| Standard backing pump | PKS-070 | PKS-070 x 2 | |
