Products

External Gear Pumps
Series GL

For a pump that can handle your toughest fluid handling needs without taking up too much space, think Micropump’s Series GL. This cavity style gear pump always provides smooth, pulseless delivery and leak-free operation, with a high system pressure version available that can withstand system pressures to 103 Bar (1500 psi). Series GL pumps feature a compact size that delivers rugged, reliable performance for any high
precision pumping need. Trust the proven reliability of Series GL gear pumps.

Small Size
Leak-Free
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

Drive Options
Coming Soon

Documents	Model	PDF
Product Datasheet	Series GL	130KB
Service Sheet P/N 6779	GL-H21 GL-H23 GL-H25	140KB
Technical Specifications		135KB
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

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Performance Summary

Flow Rate
at 1750 rpm 13.5 L/min			3.6 gpm
Displacement
Gear Set	H21	H23	H25
ml/rev	4.6	6.2	7.7
Maximum Differential Pressure
8.7 Bar			125 psi
Maximum System Pressure
103 Bar			1500 psi
Temperature Range
-46 to 121° C			-50 to 250° F
Viscosity Range
0.2 to 2500 cps
Maximum Speed
3450 rpm

Pump Construction

Magnetic Drive Gear Pump
Cavity Style
Helical, Shafted Gears
Sleeve Bushings
O-ring Seals

Wetted Materials

Base Materials
- 316 Stainless Steel
- Alloy 20
- Titanium
- Hastelloy C-276®
- Hastelloy B-2®
Gears
- PTFE
- PEEK
Static Seals
- Viton®
- EP
- Buna N
- PTFE
- Kalrez®

Magnets

Driven & Driving
- Ferrite
- Rare Earth

Product Enhancements

High System Pressure
Carbon Bushings
Hardened Shafts
ANSI Flanges
1/2?14 NPT Ports

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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.