Magnetically Driven External Gear Pumps GJ Series From Micropump

The GJ Series magnetically driven external gear pump delivers exceptional pumping performance for any high-precision application. These compact, magnetically driven gear pumps feature a cavity style design with no dynamic seals. 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.

The GJ Series magnetically driven external gear pump delivers exceptional pumping performance for any high-precision application. These compact, magnetically driven gear pumps feature a cavity style design with no dynamic seals. 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.

Displacement Range

  • Gear Set N21: 0.316 ml/rev

  • Gear Set N23: 0.64 ml/rev

  • Gear Set N25: 0.91 ml/rev

  • Gear Set N27: 1.23 ml/rev

Construction

  • 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
    – Hastelloy C-276®

  • Gears
    – PPS
    – PEEK
    – PTFE

  • Static Seals
    – Viton®
    – PTFE

Magnets

  • Driven & Driving
    – Ferrite
    – Rare Earth

Product Enhancements

  • Internal Bypass
  • Deck Ports
  • Tri-Clamp Fittings

Performance Summary

Flow Rate (min)
158 mL/min
Flow Rate (max)
6765 mL/min
Differential Pressure (max)
80 psi
System Pressure (max)
300 psi
Temperature Range
-50 to 250 °F
Viscosity Range
0.2 to 1500 cP
Weight
1 lbs
Standard Ports
1/8″-27 NPT(F)
Recommended Max Speed
5500 RPM

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