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Self Priming Pumps

ProductsPumpsSelf Priming Pumps
ProductsPumpsSelf Priming Pumps




Vacuum Prime Assist Pumps

Pump Size1.5-30 inches40-760 mm
Max Head700+ feet210 metres
Max Flow20–44,000 USgpm4–10000 m³/h

Prime vacuum assist pumps deliver extreme flows with high head capability and utilize the UltraPrime™ priming system. This advanced system is capable of rapid (50 CFM) unattended priming and run-dry operation for the ultimate in remote operation.

  • Eliminate environmental concerns due to product spillage — The PosiValve™ stainless steel priming valve is specifically designed to eliminate product carryover.
  • Achieve better performance — Large impeller eye areas with lower NPSHr characteristics allow for higher suction lift capability.
  • Use less energy — Optimized package design matches the vacuum prime assist pumps with engines to use less horsepower and achieve higher performance.
  • Increase flexibility — Modular pumpset designs make it fast and easy to convert from trailer to skid.


Standard Self-Priming Pumps


Flow rate: up to 300 m³/h

Head: up to 95 m

Suction head: max. 5 m (cooled water)

Speed: max. 3,000 rpm

Temperature: max. 120 °C

Casing pressure: up to 16/10 bar

Shaft seals: mechanical seal

Materials: grey cast iron, bronze



The self-priming volute casing pumps according to DIN 24255 of the series ULN are applied when it is necessary to suck in and to handle without problems and automatically, pure resp. turbid not aggressive liquids which do not contain any solids. So they are suitable for drinking water supply for communities, general water supply in agriculture, business and industryirrigation and drainagesprinklingpumping of condensatecharge and discharge of fuels and oils.