PRINCIPALS OF OPERATION
The heart of all Liquivac pumps is a twin start helical rotor mounted eccentrically in a cylindrical pump barrel.
On the initial installation the pump should be primed with a suitable liquid.
During start up, surplus liquid is displaced through the discharge port plate, the remainder forms a liquid ring retained and supported by the suction and discharge port plates.
The liquid ring forms a seal between the top tips of the rotor and the underside of the rotor boss.
This arrangement creates a series of progressive, crescent shaped cavities travelling from suction to delivery.
Any product such as Liquid, Air, Foam, Emulsions or Vapours exposed to suction would be drawn into these chambers and discharged through the pump.
The large clearances between the rotating and stationary parts allow the pump to handle hard solids up to 2mm diameter.