Liquid Ring Pump
- Accommodating to water & solvents
- Very Forgiving
Rotary Vane, Oil-Sealed Mechanical Pump
Rotary Vane Pump
- Compact
- Sensitive to solvents
Dry Vacuum Pumps
One Stage Roots Blower Pump Assembly
Roots Blower Pump
- Dry Running
- High operating speeds
High Vacuum Pumps: Oil Diffusion Pumps
Pump Construction
How Diffusion Pumps Work
Condensers to Enhance Vacuum
pV = nRT è
- volume is reduces in transitioning from vapor phase to liquid phase, or vapor pressure decreases with temperature