Reciprocating Pumps



The RPSA model is a cylinder filling pump that comes equipped with a tungsten carbide coated piston that significantly increases the life of the seals in abrasive media service. Its sealed drive end requires no field maintenance.

Features & Benefits

  • Tungsten carbide coated piston helps increase the life of the seals
  • Simple cold end design assembly for easy maintenance
  • Heavy duty grease lubricated drive for longer life and less maintenance (regreasing not necessary)
  • Pump packing is adjusted through a large access port for easy adjustments and extended packing life


RPSA Brochure


  •  Carbon dioxide cylinder filling
  •  Nitrous oxide cylinder filling

Liquids Pumped

  • Carbon Dioxide
  • Nitrous Oxide

  RPSA Specifications


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Typical Scope of Supply

  • Cold end, grease lubricated drive assembly & electric motor
  • Galvanized steel base plate with belt guard
  • Surge chamber and relief valve