Across International Welch Self Cleaner 1.2 CFM 35 L/m Full Chemical Resistant Diaphragm Pump 2027

Self-Cleaning Dry Vacuum Systems(TM) are complete vacuum solutions for rotary evaporation. All systems feature rugged corrosion resistant PTFE diaphragm pumps for low maintenance and long life. Optimize each solvent evaporation using handy vacuum adjustment.

Also included with all models:

• Digital or analog vacuum read-out
• Inlet and outlet traps to protect the pump and exhaust line from liquids
• Prominent emergency "bump stop" switch for bumping/foaming control
• All models are 35 l/min at 60Hz (29 l/min. at 50Hz)
• Automatic self-cleaning purge at shutdown
  
  
  The self-cleaning feature and vacuum control technology contribute to Self Cleaning Systems’ long diaphragm life.
  
  Model 2027 offers digital adjustable high vacuum. Digital vacuum read-out, vacuum regulator, 2 torr ultimate vacuum for fast stripping DMF and other solvents with boiling point < 160 °C.