Micropump GL Series External Gear Pump

GL Series, External, Gear Pump, MicropumpThe GL Series pumps can handle tough fluid handling needs without taking up too much space. This cavity style gear pump provides smooth, pulseless delivery, with a high system pressure version available that can withstand system pressures to 103 Bar (1500 psi). GL Series pumps deliver rugged, reliable performance for any high-precision pumping need.

Product Features

  • Small Size

  • Smooth, Pulseless Delivery

  • Chemically Resistant

  • Easy to Service

  • Proven Reliability

  • Advanced Pump Technology

  • Wide Range of Option

  • OEM Configurations

  • High-System Pressure Capability

  • Enhanced Efficiency

Displacement Range

  • Gear Set H21: 4.6 ml/rev

  • Gear Set H23: 6.2 ml/rev

  • Gear Set H25: 7.7 ml/rev


  • Magnetic Drive Gear Pump

  • Cavity Style

  • Helical Shafted Gears

  • Stationary Shafts

  • O-ring Seal

Wetted Materials

  • Base Materials
    - 316 Stainless Steel
    - Alloy 20
    - Titanium
    - Hastelloy C-276®

  • Gears
    - PTFE
    - PEEK

  • Static Seals
    - Viton®
    - EP
    - Buna N
    - PTFE
    - Kalrez®


  • Driven & Driving
    - Ferrite
    - Rare Earth

Product Enhancements

  • High System Pressure

  • Carbon Bushings

  • Hardened Shafts

  • ANSI Flanges

  • 1/2" 14 NPT Ports

Performance Summary

Flow Rate (min)
2.3 L/min
Flow Rate (max)
26.6 L/min
Differential Pressure (max)
125 psi
System Pressure (max)
5000 psi
Temperature Range
-50 to 250 °F
Viscosity Range
0.5 to 1500 cP
8.6 lbs
Standard Ports
3/4"-14 NPT(F)
Recommended Max Speed
3450 RPM

Product Datasheet

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