Welch Dry Vacuum Pump 2581B-50 WOB-L 3.5 cfm NEW 115V 1PH
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Additional information
| Weight | 25 lbs |
|---|---|
| New / Rebuilt | |
| Level of Vacuum | ROUGH VACUUM PUMP to 29 Inches atmospheric pressure (760 torr) to 7.5 x 10E-1 torr |
| CFM / L/M (Displacement) | |
| Inlet / Exhaust | |
| Motor | |
| Power Options |
Description
As a Welch distributor, we are proud to offer their full line of PTFE oil-free laboratory vacuum pumps for chemical duty to pump acid vapors and corrosive gases as well as economical standard lab duty pumps in a range of sizes and vacuum levels for pumping water vapor and non-corrosive gases. The GELMASTER® and SELF-CLEANING DRY VACUUM SYSTEMS are fully configured for gel drying, and for rotary evaporation and other applications. Finally, Welch dry rotary vane pumps are an economical solution for pumping dry air.
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Welch Dry Vacuum Pump 2581B-50 WOB-L 3.5 cfm NEW 115V 1PH Specifications
| Standard Duty Vacuum Pumps | |||
| 2561 | 2567 | 2581 | |
| Free Air Displacement | |||
| CFM (L/min) @ 60Hz | 2.1(60)) | 3.5(100) | 3.5(100) |
| m3/hr (L/min) @ 50Hz | 3.0(50) | 4.9(83) | 4.9(83) |
| Ultimate Pressure, Torr (mbar) | 5(6.7) | 60(80) | 5(6.7) |
| Max Pressure PSIG (pascal) | ––––––––– | ––––––––– | ––––––––– |
| Maximum Vacuum, in. Hg | 29.8 | 27.6 | 29.8 |
| Motor Horsepower (watts) | 1/3(250) | 1/3(250) | 1/3(250) |
| Tubing Needed, I.D. in. (mm) | 3/8(10) | 3/8(10) | 3/8(10) |
| Intake/Exhaust Thread NPT | 1/4 | 1/4 | 1/4 |
| Weight (lbs.) | 16.5 | 16.5 | 24.5 |
| Overall Dimensions | |||
| L in. (cm) | 17.3(43.9) | 15.0(38.1) | 17(43.2) |
| W in. (cm) | 6.5(16.5) | 10(25.4) | 7.5(19.1) |
| H in. (cm) | 10.5(26.7) | 10(25.4) | 12(30.5) |
| Ship Weight, lbs (kg) | 24(10.9) | 24(10.9) | 32(14.5) |
| Shipping Carton Dimensions | 21.5 x 12.5 x 16 | 21.5 x 12.5 x 16 | 21.5 x 12.5 x 16 |
| L x W x H in. (cm) | (55 x 32 x 41) | (55 x 32 x 41) | (55 x 32 x 41) |
Click Below for Specification Sheet
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