Gear Pumps

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Ask Our Team

The Gorman-Rupp G Series range of self priming positive displacement rotary gear pumps is designed to provide superior performance in the transfer of process fluids, unmatched in the industry. Available in Medium-Duty , Heavy-Duty and Extreme-Duty (abrasive service) models, gear pump materials include cast iron, cast steel and stainless steel.

G Series self priming pumps are manufactured with unique features that enable them to perform better and last longer on countless applications, providing quality and reliability that make the G Series the premier gear pump in the industry.

Advantages include:

  • An automatic idler pin lubrication system uses the pumped fluid to continuously cool and lubricate the idler pin and bush to reduce wear in this area.
  • An internal seal cavity venting system provides a continuous flow of liquid through the seal area, ensuring cooling and reducing pressure. This reduces seal face
  • load, increasing seal life.
  • A deep “end-feed” area offers superior priming performance under low inlet pressure conditions and/or high viscosity liquids.
  • Easy to service
  • Viscosities to 440,000 cSt
  • Pressures to 20.7 bar (300 psi)
  • Flows to 2200 litres per minute
  • Handle a variety of liquids , including highly viscous, high temperature and abrasive fluids
  • Widest range of sealing options in the industry
  • High strength gear material eliminates the need for special steel fittings traditionally needed for viscous applications.
  • Widest range of housing ports
  • Widest range of bushing materials

Ask Our Team

The HO3/4A4-36DK Gorman-Rupp Pump is a high quality cast iron hand oscillating drum pump designed for the transfer of and dispensing of lubricating oils and other non-corrosive liquids which are compatible with pump component materials.

Advantages include:

  • Suction lift up to 4.5 metres
  • Accurate measurement of fluids being pumped (0.38 litres per stroke)
  • 23 litres per minute capacity (at 60 strokes per minute)
  • Supplied with 1200mm of suction tube with 2” (50mm) bung adaptor
  • Maximum pressure of 50 psi
  • Maximum temperature of 48oC
  • Buna-N Seal, Bronze Valves, Fibre Gaskets
  • 19mm suction and discharge tube