Roper Pumps

Roper Pump Logo
ROPER PUMPS is recognized worldwide as the leading provider of innovative gear pumps for the most demanding applications. With over 150 years of experience in design and manufacture, the company now holds one of the broadest ranges of helical gear pumps with impeccable pumping technology and robust construction made for viscous products. From its workhorse 3600 and 4600 Series to its Severe Duty pumps, Bulk Liquid Handling, and High-Pressure pumps, all Roper pumps are engineered in their world-class facility that conforms to the ISO 9001:2000 standards, therefore ensuring reliability.
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Features & Benefits

  • Gentle pumping, reversible flow
  • No piping, plugs or connections on front cover
  • Heavy-duty ductile iron and steel construction
  • Self-priming up to 9 metres
  • Sealless, leak-free, eliminates product contamination
  • Ability to run dry continuously

Available Options

We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options.

  • Variety of construction materials
  • Seal and bushing options
  • Application-specific pumps available
  • Magnetic drive
  • Baseplates
  • Spare parts



  • Heavy viscous materials
  • Asphalt
  • Molasses
  • Roofing compounds
  • General process fluid
  • fuel
  • Hydraulic
  • Fluids
  • Lubricants


  • Industrial
  • Energy
  • Food and Beverage
  • Transportation



Progressive cavity pumps
ROPER helical / external pumps unit is chosen when a viscous fluid which will be transferred at low rpm, and where a smooth discharge of fluid is required.

Gears are mounted above each other within the head with one being driven by the motor. They are timed to mesh with fluid flowing into the open cavities, rotated in between the teeth and casing and transferred to the outlet. Fluid travels between cavities within the teeth and cavity. The fluid is trapped by the teeth as they rotate. As a fluid chooses the path of least resistance fluid flows towards the discharge via the meshed parts.
Progressive cavity pumps come are used in precision applications, so they come with tight tolerances. This type of positive displacement pump consists of two very important parts. Generally, there will be a helical rotor inside of a double helical hole. As the rotor spins inside of the pump body, cavities are left behind. This is where the fluid will reside as the helical rotor turns. These cavities maintain a constant shape as the rotor turns and moves the fluid through the pump. That being said, it is very important that these pumps are manufactured with precision to ensure efficient operations.

Servicing you anywhere in Australia

All-Pumps offers a bespoke solution to your pump problems. Call our professionals if you need a new pump, replacement part, repair services, system design, or monthly maintenance!
Our customer support services are the best in the field with 100% customer satisfaction ratings.
Free quote for installation.
Free quote for servicing.
Free quote for custom system design.
Free quote for pump or spare pricing.
Pump guides
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