GAH Series External Gear Pump From Micropump

GAH Series, External, Gear Pump, MicropumpThe GAH Series melds the capabilities of the high-performance GA Series with high system pressure designs. The GAH Series pumps provide precise and pulseless flows from as low as 1 ml/min, and can withstand system pressures up to 5000 psi. Featuring Micropump's patented suction-shoe design, GAH Series pumps self-compensate for wear, ensuring near zero slip and a longer pump life. Pumps are available in a wide range of materials and configurations.

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 X21: 0.017 ml/rev

  • Gear Set V21: 0.042 ml/rev

  • Gear Set V23: 0.084 ml/rev

  • Gear Set T23: 0.092 ml/rev


  • Magnetic Drive Gear Pump

  • Suction Shoe Style

  • Spur Gears

  • Stationary Shafts

  • PTFE Seal or O-ring

Wetted Materials

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

  • Gears
    - Carbon Graphite
    - PPS
    - PEEK

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


  • Driven & Driving
    - Ferrite
    - Rare Earth

Performance Summary

Flow Rate (min)
8.5 mL/min
Flow Rate (max)
552 mL/min
Differential Pressure (max)
75 psi
System Pressure (max)
5000 psi
Temperature Range
-50 to 350 °F
Viscosity Range
0.2 to 1500 cP
1 lbs
Standard Ports
1/8"-27 NPT(F)
Recommended Max Speed
6000 RPM

Product Datasheet

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