2EN Series liquid ring vacuum pump are designed in two stage type with two impellers to achieve high vacuum level Normally water must be supplied to pump as service liquid to form liquid ring and remove heat resulting of gas compression in which from a piston-like behavior of the liquid It is possible to supply vacuum systems with either partial or total recirculation of service liquid, complete with separator tank, heat exchanger and all accessories required for a package unit.
| Pump model | Connection | Speed | Installed
power |
Max.suction capacity | Liquid consumption
at 120 mbar |
Noise at 80 mbar |
|---|---|---|---|---|---|---|
| rpm | kw | m3/hr | mbar | m3/hr | ||
| 2EN 055 | DN40 | 1450 | 5.5 | 218 | 33 | 0.85 |
| 2EN 110 | DN50 | 1450 | 11 | 385 | 33 | 2.4 |
| 2EN 150 | DN50 | 1450 | 15 | 460 | 33 | 2.4 |
| 2EN 150L | DN65 | 1450 | 15 | 580 | 33 | 2.5 |
| 2EN 185 | DN65 | 1450 | 18.5 | 695 | 33 | 2.5 |
