Products


External Gear Pumps

Whether you use the cavity style or the revolutionary suction shoe design, Micropump gear pumps are engineered to deliver peak performance in any application with flow rates to 42 L/min (11.1 gpm).

Benefits of the external gear pump include:

  • Magnetic coupling for leak-free operation
  • Pulseless delivery for a smooth and continuous flow
  • Strong chemical resistance
  • High dependability

The chart below provides a brief preview of all of Micropump's magnetic drive external gear pumps with links to specifications and complete details for each specific series.

If you do not find a pump to match your requirements, please submit your application request and Micropump will be happy to specify a pump for your specific needs.

Suction Shoe
Minimum
Flow Rate
Maximum
Flow Rate
Maximum
Differential
Pressure
Maximum
System
Pressure
Displacement
Range
SERIES GA/GAH 0.0095 L/min
(0.0025 gpm)
0.32 L/min
(0.09 gpm)
5.2 bar
(75 psi)
21 bar
(300 psi)
0.017 to 0.092
ml/rev
SERIES GB 0.076 L/min
(0.02 gpm)
4.0 L/min
(1.1 gpm)
8.7 bar
(125 psi)
21 bar
(300 psi)
0.097 to 1.17
ml/rev
SERIES GC 0.189 L/min
(0.05 gpm)
12.0 L/min
(3.2 gpm)
8.7 bar
(125 psi)
103 bar
(1500 psi)
0.81 to 3.48
ml/rev

Cavity
Minimum
Flow Rate
Maximum
Flow Rate
Maximum
Differential
Pressure
Maximum
System
Pressure
Displacement
Range
SERIES GJ 0.076 L/min
(0.02 gpm)
3.2 L/min
(0.85 gpm)
5.6 bar
(80 psi)
21 bar
(300 psi)
0.316 to 1.12
ml/rev
SERIES GD 0.095 L/min
(0.025 gpm)
12.0 L/min
(3.2 gpm)
8.7 bar
(125 psi)
103 bar
(1500 psi)
3.48 ml/rev
SERIES GK 3.41 L/min
(0.9 gpm)
10.9 L/min
(2.9 gpm)
4.1 bar
(60 psi)
103 bar
(1500 psi)
3.15 ml/rev
SERIES GL 3.75 L/min
(1 gpm)
13.5 L/min
(3.6 gpm)
8.7 bar
(125 psi)
103 bar
(1500 psi)
4.6 to 7.7
ml/rev
SERIES GM 11.4 L/min
(3 gpm)
21 L/min
(5.6 gpm)
8.7 bar
(125 psi)
103 bar
(1500 psi)
7.3 to 12.2
ml/rev
SERIES GN 22.7 L/min
(6 gpm)
42 L/min
(11.1 gpm)
6.9 bar
(100 psi)
103 bar
(1500 psi)
24.5 ml/rev
  Innovative Pump Solutions