Buy Welch vacuum pumps from MSE Supplies at the best value.

SKU# : 202801

Clean operation (oil free), low cost of ownership, highest reliability – these are just a few benefits that customers can appreciate when they use a diaphragm pump for laboratory or industrial applications.

Self Cleaning PTFE Diaphragm Vacuum Pumps work completely without oil which has several advantages for the user:

Less maintenance compared to other technologies saves time and money.
Dry vacuum allows cleaner workplace and environment.
Uncontaminated pumping of gases results in cleaner samples and no risk of oil back-streaming.
Pump solution to fit your vacuum control and budget requirements.

Application

Developed to use with rotary evaporators
Solvent distillation
Stripping volatiles
Reflux reactions

MSE Supplies is an authorized distributor of Welch vacuum pumps.

Technical Data

SKU#	202801
Welch Model	2028
Free Air Displacement @60Hz, CFM (L/min)	1.2 (35)
Voltage (V)	115
Maximum Vacuum, in. Hg	29.85
Ult. Vac. Pressure, Torr (mbar)	2 (2.7)
Motor Horsepower, HP (watts)	1/5 (150)
Tubing Needed, I.D. in (mm)	1/4 (7)
Intake (Exhaust) Thread NPT	3/8
Weight, kg (lbs)	13.6 (30)
Overall Dimensions LxWxH in.	12 x 7 x 8.3