3AVN Single-Stage Liquid Ring Vacuum Pumps for High Liquid Carryover

The Airtech 3AVN Series closed-coupled liquid ring vacuum pumps are an attractive option for many vacuum applications, offering low power requirements,compact design, and reliability.

The single-stage design incorporates valves, port cylinder, and a mechanical seal, facilitating capacity between 55 CFM and 125 CFM.

3AVN Features


  • Up to 5 times the delivery of liquid as compared  to conventional liquid ring vacuum pumps
  • Stable suction capacity even when liquid is delivered
  • No need for pre-separation
  • Easy installation
  • Regulated power consumption ensures minimal operating costs
  • Extremely low noise levels
  • Patented hydraulic and assembly system

Click a link below to view product specifics


Nominal Capacity (ACFM)
Pump Speed (RPM)
Max Vacuum (inches HgV)
3AVN95 65 6.2 1750 28.2
3AVN125 90 8.9 1750 28.2
3AVN180 125 11 1750 28.2