Magnetic Drive Circulation Pumps

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

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Integrated Brushless DC Magnetic Drive Pumps
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



Watch>>>About GRI Pumps (A Gorman-Rupp Company)

Since 1953: Not Just Pumps, Pumping Solutions
There are many variables that must be considered when specifying a magnetic drive pump for an OEM application. At first glance you may not find a pump that meets your exact requirements. GRI recommends that you contact our Technical Sales Staff to discuss your project so that the right pump can be specified. Many times we will customize an existing pump to meet your needs or design a new pump according to your system’s exact specifications.

The Importance of Specifying a Pump Early in the OEM Design Process
Check out GRI’s “Emphasis On Pumps” article in the October 2013 issue of MDT magazine.  Knowing the specific fluid pumping requirements of an application upfront in the development process is important. Unfortunately many device and system designers neglect to consider the fluid pumping requirements until late in the design process.

Many times a designer will have to perform costly alterations to systems or devices to make their design compatible with a pump chosen late in the design process. Being that many times a pump is the “heart” of a system, it makes sense to begin the specification process early rather than later. Careful planning saves not only time and money, but also headaches. 

Fluid pumps for the Original Equipment Market
Serving the Original Equipment Manufacturer since 1953, Gorman-Rupp Industries’ reputation and success have been built on innovative fluid pump designs, customer service, and providing products to meet the exact specifications of our customers.

GRI’s fluid pumping knowledge and expertise comes from working with domestic and international partners in a variety of markets and OEM applications for over 60 years. Whether it is replacing an existing pump or working with you on a new OEM fluid pumping application, GRI’s proven concepts and engineered designs will provide a unique solution to your fluid pumping dilemma.

Custom Design and Manufacturing of fluid pumps for the OEM market, Bellows Metering Pumps, Magnetic Drive Pumps, Centrifugal Pumps, Oscillating Pumps, Gear Pumps, OEM Pumps