Edwards E2M28/30 Rotary Vane Vacuum Pump

Free Air Displacement @ 60 Hz. 22.9 CFM  

Pumping Speed @ 60 Hz. 19.4 CFM  

2 Stages  

Ultimate Vacuum Pressure without gas ballast 7.5x10^-4 Torr  

Partial Pressure without gas ballast 7.5x10^-5 Torr

Partial Pressure with full gas ballast 1.5X10^-1 Torr  

Oil Capacity: 1.5 Liters Maximum, 1.2 Liters Minimum