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Hydraulic and pneumatic pump construction, performance (controls and operation), and application notes from the field.

Magnetic Drive Circulation Pumps

Product Announcement from GRI Pumps (A Gorman-Rupp Company)

Magnetic Drive Circulation Pumps-Image

Designed for the circulation and transfer of fluids, GRI’s Integrity Series Magnetic Drive Circulation Pumps offer a flexible and robust pumping solution to OEM fluid circulation applications. By manufacturing the motors and the majority of the pump’s components in-house, GRI has the flexibility to precisely configure an Integrity Series pump to meet an OEM’s specific flow and pressure requirements.

Equipped with an integrated 9 to 24 volt brushless DC motor, the magnetically driven pumps incorporate the components into a compact, lightweight design, eliminating motor bearings and leaving the impeller assembly as the only moving part. Fewer parts promote long life, quiet operation, and low power consumption.


  • Motors: 24VDC, 9-24VDC, Integrated Brushless DC, Variable Speed
  • Max. System Pressure: 75 psi
  • Max. Flow: 7.79 GPM, 29.47 LPM
  • Max. Head: 54.38 FT, 23.58 PSI
  • Max. Fluid Temp.: 203°F (95°C)
  • Approximate Weight: .8 lbs (362.8 grams)



  • 9-24 volt power supply
  • Speed Control: Third wire 0-5 volt input signal
  • Flow and pressure adjustment
  • Submersible
  • Multiple inlet/outlet configurations
  • Extreme heat and cold temperature options (Contact GRI)
  • Multiple OEM options and motor configurations


Agency Approvals / Compliances

  • UL778: Motor-operated Water Pumps
  • NSF 61: Potable Water
  • NSF 372: Lead Content
  • RoHS 2



  • Variable Speed
  • Wide range of flow and pressure configurations
  • Brushless DC Integrated Motor
  • Only one moving part: No motor bearings
  • Magnetically coupled/driven
  • Compact, lightweight design
  • Low power consumption
  • Long Life
  • Quiet Operation
  • Adjustable base


Wetted Materials

  • Pump Body: PPS (Ryton®)
  • Housing: PPS (Ryton®)
  • Impeller: PPS (Ryton®)
  • Rotor Shell: PPS (Ryton®)
  • Static O-Rings: FKM (Viton®), EPDM
  • Pump Shaft: Ceramic
  • Bearing Plate: PPS (Ryton®)


Markets / Applications

  • Fluid circulation / recirculation devices  
  • Circulating Baths
  • Laser Cooling
  • Chillers
  • Hydronic Heating Systems
  • Marine
  • Recreational Vehicles and Public Transit
  • Fuel Cells
  • Thermal Therapy
  • Printing
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