Benefits

• Energy efficient: superior efficiency resulting in reduced energy

consumption and CO2 footprint.

• Hygienic: designed according to the most stringent hygienic

design standards and with verified and effective CIP

cleanability.

• Quiet: operates very quietly compared to other self-priming

pumps improving the working environment.

• Reduced capital investment: designed for Cleaning-in-Place

(CIP) duties containing entrained air but can also pump

product reducing need for additional pump.

Working principle

On applications where the pumped media contains a mixture of

air and liquid in the suction line, airscrew rotation causes the

formation of a continuous liquid ring within the canister. Due to the

eccentric position of the canister relative to the airscrew, an air

chamber forms between the liquid ring and the airscrew, which

separates into air pockets between the air-screw vanes.

The continuous rotation of the air-screw forces air pockets

through the canister into the suction stage of the impeller which

are then pumped out via the discharge.

Liquid is returned from the discharge via the recirculation pipe into

the canister to ensure the liquid ring is maintained at all times.