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.
Model 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
Performance Data – Vacuum (60 Hz)
Model |
Rated HP |
CFM |
Voltage Range |
Max Amps |
Seal Water (GPM) |
Weight (lbs.) |
| 3AVN95 | 6.2 | 65 | 230/460 | 16/8 | 4 | 134 |
| 3AVN125 | 8.9 | 90 | 230/460 | 22.5/11 | 5 | 159 |
| 3AVN180 | 11 | 125 | 230/460 | 27/13.5 | 8 | 214 |
3AVN Dimensions (Inches)
Model |
A |
B |
C |
D |
E |
F |
G |
H |
J |
K |
L |
M |
N |
P |
| 3AVN95 | 10.8 | 11.8 | 3.1 | 18.4 | 12.5 | 6.3 | 7.7 | 5.5 | 6.9 | 2.4 | 3.9 | .5 | 8.9 | 12.0 |
| 3AVN125 | 11.3 | 11.8 | 3.3 | 20.3 | 13.2 | 7.5 | 8.8 | 5.5 | 6.9 | 2.8 | 4.4 | .6 | 11.0 | 12.5 |
| 3AVN180 | 12.1 | 11.8 | 4.9 | 25.9 | 15.4 | 8.5 | 10.1 | 5.5 | 8.6 | 4.3 | 5.2 | .7 | 12.6 | 16.7 |
3AVN Dimensions (Inches)
Performance Curves
