Gerotor

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
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*
Size	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.

Internal Gear

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