Products

External Gear Pumps
Series GB

Micropump’s Series GB magnetic drive gear pump features a patented suction shoe design that delivers the high performance needed to keep your operations flowing smoothly. The unique design self compensates for wear, ensuring near zero slip and a longer pump life. Available in standard or custom configurations, Series GB pumps offer the flexibility to meet a wide range of applications with a compact size, options like two standard gear sizes, an internal bypass, and variety of materials.

Small Size
Leak-Free
Smooth, Pulseless Delivery
Chemically Resistant
Easy to Service
Proven Reliability
Advanced Pump Technology
Wide Range of Options
OEM Configurations
Enhanced Efficiency

Drive Options
Coming Soon

Documents	Model	PDF
Product Datasheet	Series GB	284KB
Service Sheet P/N 5832	GB-P25 GB-P35	101KB
Service Sheet P/N 6522	GB-P23	88kB
Technical Specifications		520KB
Installation, Operation and Warranty Information P/N 7046		363KB

This data sheet is available to download as an Adobe PDF document.

Product Code

Prefix:
O/C = Order Code
S/K = Service Kit

–

Performance Summary

Flow Rate
at 3450 rpm 4.0 L/min			1.1 gpm
Displacement
Gear Set	P23	P25	P35
ml/rev	0.26	0.58	1.17
Maximum Differential Pressure
8.7 Bar			125 psi
Maximum System Pressure
21 Bar			300 psi
Temperature Range
-46 to 177° C			-50 to 350° F
Viscosity Range
0.2 to 1500 cps
Maximum Speed
10,000 rpm

Pump Construction

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
- Hastelloy C-276®
- Hastelloy B-2®
Gears
- PPS
- PEEK
Static Seals
- Viton®
- EP
- Buna N
- Kalrez®

Magnets

Driven & Driving
- Ferrite
- Rare Earth

Product Enhancements

Internal Bypass
1/4-18 NPT Ports
Tri-Clamp Fittings

NOT QUITE THE RIGHT
SPECS FOR YOU?
Go to our Application Request Form to provide us with the specifics of your job, and we will target a solution
for you.