Welch* Standard Duty Oil Free Vacuum Pump

These rugged oil-free, dry vacuum pumps are popular in pharmacy, waste water, lab, cell culture standard-duty filtration settings. Quiet, compact, and portable, they are suitable for up to 3 filtration setups (model 2522) or 5 setups (model 2546). The vacuum and pressure controllers are simple to operate and the gauges are easy to read. Use full vacuum for filtering, lessen vacuum for aspiration. With durable, long-lasting operation, Welch Standard Duty Dry Vacuum Pumps can be easily rebuilt when needed, using readily available repair kits.
Not intended for use with corrosive or organic solvent vapors.

• Faster filtration from 26 or 27.2 in. Hg vacuum performance
• Vacuum controller includes liquid ingestion blockade system
• Also can provide pressure up to 100 psi
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Free Air Displacement: 22 L/min.
Ultimate Vacuum (Hg): 26 in.
Dimensions L x W x H (in.): 100
Weight lbs. (kg): 1/8 (93)
Electrical: 8.1 x 8.8 x 10

Free Air Displacement: 45 L/min.
Ultimate Vacuum (Hg): 27.6 in.
Dimensions L x W x H (in.): 60
Weight lbs. (kg): 1/4 (190)
Electrical: 10 x 7.5 x 9