STANDARD LAB DUTY OIL-FREE
Non Corrosive Duty
- Filtration
- Aspiration
- Desiccation
- Replace water aspirator
- Vacuum Drying
- Chamber Roughing
Features
- Vacuum and Pressure - to 60 Torr (27.6"Hg) and 106 Pascal (100 PSIG)
- Three Sizes - 22 L/min, 34 L/min, 45 L/min
- No Water or Oil
- Vacuum and Pressure Regulators and Gauges - simple to adjust and monitor vacuum level and delivery pressure
- Inlet Water Trap - float ball rises to seal off pump from accidental ingestion of water.
- Muffler - quiets pump and filters discharge air
- Low Cost
Specifications
| Catalog Number | ||||
|---|---|---|---|---|
| Wired for 115V, 60Hz, 1 PH with N. American 115V Plug | 2511B-01 $310.00 |
2522B-01 $530.00 |
2534B-01 $595.00 |
2546B-01 $675.00 |
| Wired for 220V, 50 Hz, 1 PH with Cont. Euro. (Schuko) Plug | 2511C-02 $309.75 |
2522C-02 $530.00 |
2534C-02 $595.00 |
2546C-01 $685.48 |
| Free Air Displacement | ||||
| CFM (L/min) @ 60 Hz | 0.39(11) | 0.76(22) | 1.2(34) | 1.6(45) |
| CFM (L/min) @ 50 Hz | 0.55(9.2) | 1.1(18) | 1.0(28) | 2.3(38) |
| Max. Cont. Press. PSIG (Pascal) | 33(3.3x106) | 100(106) | 50(5 x 105) | 100(106) |
| Max. Vacuum, in. Hg (Torr) | 21.3(219) | 26(100) | 27.2(70) | 27.6(60) |
| Motor Horsepower | 1/30 | 1/8 | 1/7 | 1/4 |
| Tubing Needed, I.D. in. | 3/16 | 1/4 | 1/4 | 1/4 |
| Weight, lbs (kg) | 5 | 11.7(5.3) | 11.7(5.3) | 13.8(6.3) |
| Dimensions L x W x H in. | 7.6 x 4.5 x 7.5 | 8.1 x 8.8 x 10 | 8.1 x 8.8 x 10 | 8.1 x 8.8 x 10 |
| Ship Weight, lbs (kg) | 6(1) | 15(6.6) | 15(6.6) | 18.5(8.4) |
For Free Air Displacements 60 L/min and greater, see our High-Throughput Pumps
WOB-L Piston Pump Accessories
Exhaust Silencer



Exhaust silencers are insalled in the exhaust port of the pump to reduce pump noise.
| Exhaust Silencer | ||||
|---|---|---|---|---|
| Cat. No. | 1412C $28.25 |
1412D $50.00 ; |
1412E $51.00 |
1412B $34.00 |
| Pump Model | 2565, 2585 | 2561 | 2581 | 2012, 2022, 2030, 2015, 2017 |
Replacement Jars
Plastic (1415C) or glass jar (1415B) to replace the collection jar included with the pumps.
| Replacement Jars | ||
|---|---|---|
| Cat. No. | 1415C $21.50 |
1415B $21.50 ; |
| Pump Model | 2522, 2535, 2545, 2546,2534 | 2561,2565,2581,2585,202501,202601,202701 |
Dial Vacuum Gauge

Inexpensive gauge for measuring vacuum level. Not an absolute pressure gauge.
| Dial Vacuum Gauge | ||||
|---|---|---|---|---|
| Cat. No. | 726021 $42.40 |
; | 726020 $81.10 |
726023 $120.00 |
| Dial Diameter | 2 in. O.D | 2 in. O.D. | 2 1/2 in.O.D. | 2 in. O.D. |
| Unit of Measure | in. Hg, cm Hg (brass) | Pascal (Brass) | in. Hg, mm Hg (Brass) | in. Hg, mm Hg (stainless) |
| Connection | 1/8" male NPT | 1/8" male NPT | 1/4" male NPT | 1/8" male NPT |








