GB Series
Product Type:
External Gear Pumps


The GB Series magnetic drive gear pumps feature a suction-shoe design that self-compensates for wear, ensuring near zero slip and long pump life. Available in standard or custom configurations, GB Series pumps offer the flexibility to meet a wide range of applications with a compact size. Options include two standard gear sizes, an internal bypass, and variety of materials.

Performance Summary

Flow Rate (min)
131 mL/min
2.1 US gal/hr
Flow Rate (max)
6.4 L/min
1.70 US gpm
Differential Pressure (max)
8.6 bar
125 psi
System Pressure (max)
21 bar
300 psi
Temperature Range
-46 to 177°C
-50 to 351°F
Viscosity Range 0.5 to 1500 cP
0.32 to 1.1 kg
0.70 to 2.40 lbs
Standard Ports 1/8"-27 NPT(F)
Recommended Max Speed 5500 RPM


GB Datasheet

GB 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 P23: 0.26 ml/rev (0.07 US gal/1000 rev)
  • Gear Set P25: 0.58 ml/rev (0.15 US gal/1000 rev)
  • Gear Set P35: 1.17 ml/rev (0.31 US gal/1000 rev)


  • Magnetic Drive Gear Pump
  • Suction Shoe Style
  • Two or Three Helical Gears
  • Stationary Shafts
  • O-ring Seal

Wetted Materials

  • Base Materials
    • 316 Stainless Steel
    • Alloy 20
    • Titanium
    • Alloy 276
  • Gears
    • PPS
    • PEEK
  • Static Seals
    • FKM
    • EP
    • TEV
    • FFKM
    • Buna N


  • Driven
    • Ferrite
    • Rare Earth
  • Driving
    • Ferrite
    • Electromagnetic
    • Rare Earth

Product Enhancements

  • Internal Bypass
  • 1/4"-18 NPT 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:

Gasket Material:

Static Seals:

Base Materials:

Drive Mount:

Clear Form

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