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Gerotor Pumps
Economical, Simple Design for OEM Applications

 

Materials of Construction
  • Cast Iron

 

 

Design Features

Gerotor pumps are internal gear pumps without the crescent.  The rotor is the internal (drive) gear shown in gray, and the idler is the external (driven) gear, shown in orange.  They are primarily suitable for clean, low pressure applications such as lubrication systems or hot oil filtration systems.


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The Viking Gerotor series is an economical pump for clean, lubricating fluid applications like hot oil filtration and rotating equipment lube systems.

These pumps are offered with 1 or 2 lips seals. They are available with foot mount, C-flange motor mount or four-bolt (tang shaft) motor mount.

The Gerotor Series includes the following models:

  • GR-0 - Cast Iron Lipsealed Pumps
Performance
Metric English
Capacity 0 - 2.2 m³/hr 0 - 10 GPM
Pressure 0 - 7 BAR 0 - 100 PSI
Viscosity 0.1 - 5,000 cSt 28 - 25,000 SSU
Temperature -40 - 230 C -40 - 450 F

 

 

Specifications

Size

Standard Port

Nominal Capacity at Maximum Speed

Maximum Speed

Maximum Pressure*

Inches

m³/hr

GPM

RPM

BAR

PSI

GR-0941

0.5

1.0

4

1800

7

100

GR-0955

0.5

1.1

5

1800

7

100

GR-0996

0.5

1.8

8

1800

7

100

GR-0912

0.5

2.2

10

1800

7

100

* Max. Differential Pressure

 

 

Literature

Each of these documents will open in a new window as a .pdf.

Model

Drawing*

Service Manual

Brochure

Catalog

GR-0941

Inch

English

English
Chinese
Deutsch
Español
Français
Italiano
Português
Russian

English

GR-0955

Inch

GR-0996

Inch

GR-0912

Inch

*These drawings reflect standard construction pumps only.  For special construction drawings, please contact us.