Welch 2.3 CFM 65 L/min Piston Pump WOB-L® Oil-Free Pump 2562
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Manufacturer: Welch Pumps
- Economical
- Oil Free
- Adjustable Vacuum
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*Note: Standard-duty dry pumps are not recommended for pumping organic, acidic, or basic vapors.
Product Details
- Economical
- Oil Free
- Adjustable Vacuum
The Welch 2562 is a two-head WOB-L piston pump in a cast aluminium housing. It runs oil-free, so there are no oil changes, no oil mist and no risk of oil working back into your sample or vacuum line.
It is built for standard, non-corrosive duty: vacuum filtration, aspiration, degassing and general bench vacuum, and it is a common choice for the Rice porosity test. It reaches 7.5 Torr and moves 2.3 cfm, which is plenty for filter flasks and small vacuum chambers.
Keep it away from solvent, acid or base vapours. Run on chemical-duty work, a standard piston pump wears out early; for rotary evaporation and solvent recovery, a PTFE diaphragm pump is the right tool.
Free Air Displacement @ 60 Hz, cfm (L/min) | 2.3 (65) |
Ultimate Pressure, torr | 7.5 |
Motor Power, HP (kW) at 60 Hz | 1/3 (0.25) |
Inlet (Exhaust) Connection Thread NPT | 1/4 |
Tubing Needed, I.D. in. (mm) | 3/8 (10) |
| Weight, lbs (kg) | 16.7 (7.5) |
| Dimensions LxWxH, in (mm) | 17.0x7.5x12 (430x190x310) |
| 110V Order Number | 2562B-01 |
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