Powered By An Economical WOB-L Piston
Simplicity is the key to the economical aluminum design. As piston wobbles, air resistance on upward stroke expands Teflon seal on piston to increase its efficiency while compensating for the wobble action.
Non-Corrosive Duty- Cell harvesting
- Centrifuge
- Filtration
- Aspiration
- Drying
Features- Vacuum to 4 Torr (29.8, in. Hg)
- Four sizes: 60, 65, 100 L/min
- No water or oil
- Lightweight, compact and quiet
- Continuous oil-free Pumping
Ordering Information1 & Specifications
| Catalog Number | Welch Model | 2567 | 2581 | 2585 | Free Air Displacement | | | | CFM (L/min) @ 60 Hz | 3.5(100) | 3.5(100) | 7.1(201) | m3/hr (L/min) @ 50 Hz | 4.9(83) | 5.0(83) | 10(168) | Max. Vacuum, in. Hg | 27.6 | 29.8 | 27.6 | Ultimate Pressure, | 60(80) | 4(5) | 60(80) | Torr (mbar) | Stages | 2 | 2 | 2 | Tubing Needed, | 3/8(10) | 3/8(10) | 3/8(10) | I.D., in.(mm) | Weight, | 16.5(7.5) | 22.5(10.3) | 22.5(10.3) | lbs (kg) | Dimensions | 11.7.22x9.5 | 13.2x7.6x11.7 | 13.2x7.6x11.7 | (LxWxH), in. | Ship Weight, | 18(8.2) | 30(13.6) | 30(13.6) | lbs (kg) |
- All pumps supplied with an exhaust muffler and an installed intake hose barb.
- 50Hz models provided with CE marking.
|
