WELCH¨ Self-Cleaning Vacuum System 2027
- 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 systems enable superior control and efficiency for each evaporation. Provides controlled solvent stripping in flasks up to 5 L. Use 2 torr Model 2027 for solvents with atmospheric B.P. <160o C - rapid DMF stripping at 4 ml/min. Includes digitial gauge and vacuum regulation. Inlet and exhaust separators protect pump and lab atmosphere.