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APV series Ws+ self-priming pumps

The Ws+ structure employs a built in eccentric air screw to form the liquid ring required for its self-priming capability. The self-priming Ws+ is designed to handle Clean In Place (CIP) return and other fluids with entrained air and foam.

Consumable features:

  • Type: centrifugal for beverages and liquids
  • Type: self-priming
  • Capacity: 30 m³/h, 50 m³/h, 90 m³/h
  • Pressure range: 6 - 13 bar

The lineup: Ws+20/15, Ws+30/30, Ws+44/50

Ws+ self-priming centrifugal pump

Application fields


At 50 Hz, the Ws+ pump operates at a maximum pressure of 6.5 bar and a capacity of 90 m3 /h, while these values for the 60 Hz pump are 9.5 bar and 110 m3 /h.

График производительности модели

The principle of operation

Pump structure

Конструкция самовсасывающего насоса

  1. Fluid recirculation loop
  2. Impeller
  3. Eccentric screw

Air-screw compressor

Конструкция воздушного компрессора

  1. Air screw
  2. Liquid ring

Features and Benefits of the Ws+ series

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