WELCH Self-Cleaning Vacuum System 2028
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
Free air displacement: 35 L/min (1.2 CFM)
Incremental ballast switch enables fast response to bumping / foaming
Description
Complete programmable 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.
Store up to 5 methods for 2 solvent evaporations. Provides walk-away solvent stripping in flasks up to 5 L.
Use 2 torr Model 2028 for solvents with atmospheric B.P. <160o C - rapid DMF stripping at 4 ml/min.
Includes keypad controller interface with LED readout. Inlet and exhaust separators protect pump and lab atmosphere.