The Belt Drive Rotary Vane Pumps are offered in both single & double stages pump either as Air cooled or Water cooled types. The capacities ranges from 150 LPM through to 4000 LPM. These pumps are designed keeping in mind the wide range of industrial applications , absolutely compact and with noise and vibration at its minimum. IVP 1000 - S / 4000 - S Capacity : 1000 / 4000 LPM Water Cooled single Stage, Belt - Drive Rotary Vacuum Pumps.