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Prototype of the original internal gear pump, designed and patented by Viking Pump's founder, Jens Nielson on display at the Viking Pump Headquarters Museum

How An Internal Gear Pump Works

01-09-2024

All positive displacement pumps work by first expanding a cavity between the casing and one or more moving parts to create a partial vacuum, so atmospheric pressure can force liquid into the pumping chamber through the inlet port
Prototype of the original internal gear pump, designed and patented by Viking Pump's founder, Jens Nielson on display at the Viking Pump Headquarters Museum

How An Internal Gear Pump Works

01-09-2024

All positive displacement pumps work by first expanding a cavity between the casing and one or more moving parts to create a partial vacuum, so atmospheric pressure can force liquid into the pumping chamber through the inlet port
Prototype of the original internal gear pump, designed and patented by Viking Pump's founder, Jens Nielson on display at the Viking Pump Headquarters Museum

How An Internal Gear Pump Works

01-09-2024

All positive displacement pumps work by first expanding a cavity between the casing and one or more moving parts to create a partial vacuum, so atmospheric pressure can force liquid into the pumping chamber through the inlet port
This is NOT a lobe pump

Circumferential Piston Pumps Are NOT Lobe Pumps

11-09-2023

Viking Pump invented the internal gear pump in the early 20th century; but did you know that we carry various other pump technologies? Most of them are easily identifiable based on their shape. But one common mistake… read more.
This is NOT a lobe pump

Circumferential Piston Pumps Are NOT Lobe Pumps

11-09-2023

Viking Pump invented the internal gear pump in the early 20th century; but did you know that we carry various other pump technologies? Most of them are easily identifiable based on their shape. But one common mistake… read more.
spanner wrenches

7 Essential Tools for Pump Repair

10-09-2023

Like any job, you need the proper tools to do it well – and the same is true for repairing or servicing positive displacement gear pumps. Below are helpful hand tools that Viking's pump experts recommend having ready for… read more.
spanner wrenches

7 Essential Tools for Pump Repair

10-09-2023

Like any job, you need the proper tools to do it well – and the same is true for repairing or servicing positive displacement gear pumps. Below are helpful hand tools that Viking's pump experts recommend having ready for… read more.
spanner wrenches

7 Essential Tools for Pump Repair

10-09-2023

Like any job, you need the proper tools to do it well – and the same is true for repairing or servicing positive displacement gear pumps. Below are helpful hand tools that Viking's pump experts recommend having ready for… read more.
spanner wrenches

7 Essential Tools for Pump Repair

10-09-2023

Like any job, you need the proper tools to do it well – and the same is true for repairing or servicing positive displacement gear pumps. Below are helpful hand tools that Viking's pump experts recommend having ready for… read more.
spanner wrenches

7 Essential Tools for Pump Repair

10-09-2023

Like any job, you need the proper tools to do it well – and the same is true for repairing or servicing positive displacement gear pumps. Below are helpful hand tools that Viking's pump experts recommend having ready for… read more.

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