Main pumped products


Working principle

1 | Stopping phase
A small quantity of liquid is trapped into the pump to enable the next starting 

2 | Priming Phase
the impeller gives an accurate circulation of air + liquid mix moving air from the suction pipe to the discharge side in the atmosphere. 

3 | Pumping phase
After the air is removed from the suction side, the tube is flooded by the liquid, and the pumping phase can start. 

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  • Peripheral self-priming technology

  • Reversible (the flow direction of rotation) 

  • Capacities up to 40l/min

  • Start-up with empty pipes

  • Very fast priming phase

  • Extended suction lift capability (up to -5m) 

  • 3 motor executions according to the liquid specific gravity: "N" standard - 1,1 ; "P" powered - 1,35 ; "S" superpowered - 1,8

  • Accessories available: stainless steel base, stainless steel trolley available with or without an electronic device, check valve, and foot strainer made of PP or PVDF

  • Upon request:  ATEX Zone 1 (II 2G Ex h IIB T4 Gb X | II 2D Ex h IIIB T135°c Db X)


ELK self-priming pumps are ideal for applications requiring a reversible flow and service operations, used in the following sectors: 

  • Chemical industry (acids, cleaning solutions, inks...) 

  • Agriculture industry (hazardous liquids, fertilizers) 

  • Seawater applications 

  • Water and wastewater treatments (water charged with residues)