This Welch dry vacuum pump has been fully tested, inspected and verified to be in great working condition.
Includes a 60 Day Warranty!
Tested to below 9 torr
Includes Welch 2025 & Power Cord
- Automatic Self-cleaning purge maintains efficiency, extends diaphragm life
- Free air displacement: 35 L/min (1.2 CFM)
- Incremental ballast switch enables fast response to bumping / foaming
Complete oil-free dry vacuum systems for rotary evaporators and concentrators. Corrosion-resistant PTFE diaphragm vacuum pump systems enable superior control and efficiency for each evaporation. Provides controlled solvent stripping in flasks up to 5 L. Use 9 torr Model 2025 for solvents with atmospheric B.P. <120o C. Includes analog gauge and vacuum regulation. Inlet and exhaust separators protect pump and lab atmosphere.
|Applications||Concentrator - Gel Dryer Combination, Rotary Evaporator, and other|
|Type||Laboratory Vacuum Pumps|
|Free air displacement: 35 L/min (1.2 CFM)||1.2(34)|
|Ultimate Pressure, torr||9|
|Max Pressure PSIG (pascal)||29.5|
|Adjustable Vac. / Gas Ballast||1/5|
|Intake Thread NPT||1/4|
|ISO Exhaust / Intake Flange||3/8|
|Overall Dimensions LxWxH in. (cm)||13.6 x 12 x 11.3 (34.5 x 30.5 x 28.7)|
|Ship Weight (lbs/kg)||30 (16.4)|
|Intake Catch Jar||Yes|
|Exhaust Catch Jar||Yes|
Product ID # 2228