Edwards EXT-250 Turbomolecular Vacuum Pump
Inlet Flange ISO 100K
Exhaust Flange KF-25
Vent Port 1/8” BSP
Purge Port 1/8” BSP
Pumping Speed
Nitrogen 220 Liters/Second
Helium 230 Liters/Second
Hydrogen 180 Liters/Second
Compression Ratio
Nitrogen >1x108
Helium 2x104
Hydrogen 1500
Recommended Backing Pump Edwards RV-3
Cooling Method Forced air or water
