The attached photos represent a Welch 8907 Direct Drive Rotary Vane Vacuum Pump sold as is with the understanding that we sell quality products and equipment that have been tested and operate as intended unless otherwise stated. Please review my feedback to see that I have a solid record.
The Welch 8907A Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures < 1 Torr. The 8907A achieves < 0.001 Torr with a pumping speed of 73 liters/min (2.6 CFM).
Two stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure.
- Pumping Speed: 2.6 CFM (73 L/min)
- Maximum Vacuum: 0.001 torr
- Oil Capacity: 1 quart
- Tubing Needed: 7/16 in (11 mm)
- Inlet Connection: UNIBARB
- Pump rpm at 60 Hz: 1725
- Electrical: 115 V, 60 Hz
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Code: R2 B2 P130