For industries: Marine This section is only for development help

Evac EasyVac Liquid-ring screw pump vacuum generation unit

The Evac EasyVac is a durable, low-maintenance online vacuum generation unit that macerates sewage and generates the vacuum required for the discharge process.

The Evac EasyVac is particularly suitable for vessels with medium passenger and crew capacities. It features extra-strong bearings, heavy-duty mechanical seals. The vacuum is generated and sewage pumped by means of a special liquid-ring screw pump, manufactured from cast iron with special corrosion resistant coating.

  • Lightweight, with an extremely small footprint (1 mÇ / 10.76 ftÇ)
  • Robust construction
  • Reliable operation
  • Low maintenance



  • Vacuum pump casing: cast iron, EN-GJS-400
  • Impeller and macerator: stainless steel, EN 1.4404
  • Frame: steel S235, EN 10025
  • Piping: acid-proof steel, EN 1.4404

Evac EasyVac can be installed in areas of varying size and layout.


Model: Evac EasyVac 38 
Pumps2 x V19
Capacity32 m³/h 50 Hz 4.4 kW
40 m³/h 60 Hz 5.0 kW
Weight kgNet weight (dry): 155
Shipping weight: 175
Dimensions W x L x H mm788 x 687 x 1026