GJ Series
Product Type:
External Gear Pumps


The GJ Series delivers exceptional pumping performance for any high-precision application. These compact, magnetically driven gear pumps feature a cavity style design with no dynamic seals for applications that cannot tolerate leaks. With benefits like chemical resistance, abrasive fluids pumping and smooth, pulseless delivery, GJ Series pumps are available with a wide range of options, as well as in standard and OEM configurations.

Performance Summary

Flow Rate (min)
158 mL/min
2.5 US gal/hr
Flow Rate (max)
6.8 L/min
1.8 US gpm
Differential Pressure (max)
5.5 bar
80 psi
System Pressure (max)
21 bar
300 psi
Temperature Range
-46 to 121°C
-50 to 250°F
Viscosity Range 0.5 to 1500 cP
0.34 to 1.2 kg
0.75 to 2.60 lbs
Standard Ports 1/8"-27 NPT(F)
Recommended Max Speed 5500 RPM


GJ Datasheet

GJ with EagleDrive Datasheet

Product Features

  • Small Size
  • Smooth, Pulseless Delivery
  • Chemically Resistant
  • Easy to Service
  • Proven Reliability
  • Advanced Pump Technology
  • Wide Range of Options
  • OEM Configurations
  • High-System Pressure Capability
  • Enhanced Efficiency

Displacement Range

  • Gear Set N21: 0.316 ml/rev (0.08 US gal/1000 rev)
  • Gear Set N23: 0.64 ml/rev (0.17 US gal/1000 rev)
  • Gear Set N25: 0.91 ml/rev (0.24 US gal/1000 rev)
  • Gear Set N27: 1.23 ml/rev (0.32 US gal/1000 rev)


  • Magnetic Drive Gear Pump
  • Cavity Style
  • Two Helical, Shafted Gears
  • Sleeve Bushings
  • PTFE Gaskets and Seals

Wetted Materials

  • Base Materials
    • 316 Stainless Steel
    • Alloy 20
    • Titanium
    • Alloy 276
  • Gears
    • PPS
    • PEEK
    • PTFE
  • Static Seals
    • PTFE
    • FKM


  • Driven & Driving
    • Ferrite
    • Rare Earth
    • Electromagnetic

Product Enhancements

  • Internal Bypass
  • Deck Ports

For Distributors only: Select values for each attribute below. As you change the values, the table below will filter to show you only those products that conform to your specifications.

Configurator pricing is for planning purposes only, official product pricing is available in the Price List – downloadable from the Distributor Portal.

Download technical specifications here.

Gear Set:

Gear Material:

Static Seals:

Base Materials:

Drive Mount:

Clear Form

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