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Viking Pump patent for mag drive technology

Universal Mag Drive, The Sealless Upgrade That Prevents Leakage and Fugitive Emissions

5 minutes

03-25-2025

Viking Pump invented, patented and manufactured the very first sealless mag drive rotary positive displacement (PD) pumps in the world, and developed several series over time for different applications, including the first generation 825, 895 and 855 ™ internal gear pumps. Of these first generation mag drive pumps, all had different footprints from their…
Vacuum gauges on a viking pump

NPSH Visualized

02-11-2025

If you’ve ever fallen asleep reading pump texts about NPSH, you’re not alone. But here’s an easy-to-understand, graphical approach to ensuring your calculations.
U-plus and proport casing

Exploring the Versatility of the U-Plus™ Bracket and ProPort™ Casing in Gear Pumps

01-21-2025

At Viking Pump, innovation is at the forefront of what we do. With the introduction of the U-Plus™ Bracket and ProPort™ Casing, we are redefining the capabilities of our internal gear pumps. These advancements are not just about new technology; they are about providing flexibility…
Internal Gear pump with see-through head

Understanding Internal Gear Pumps: How They Work and Their Benefits

11-19-2024

Discover how internal gear pumps work, their key features, and their advantages across various industries. Learn why they're the preferred choice for fluid handling.
bars of chocolate

Pump Choices in Chocolate and Confectionery Processing: Lobe/CP Pumps vs. Internal Gear Pumps 

09-02-2024

Unlike food processors who primarily use centrifugal pumps, chocolate and confectionery processors have two main preferences for handling viscous liquors, chocolates, sugars and other confectionery liquids: Rotary Lobe / Circumferential Piston (CP) pumps and Internal Gear Pumps. These Positive Displacement-type pumps are chosen due to various reasons. But which is…
Cutaway of relief valve with parts labeled

Pressure Relief Valves: Critical to Pump and System Safety and Reliability

01-26-2024

A key advantage of rotary positive displacement pumps is providing consistent flow regardless of changes in liquid viscosity or differential pressure. But should a downstream blockage occur, pressure will rapidly build and may exceed the rating of the pump, drive equipment, system, or any combination thereof, with the potential for damage and unplanned downtime. For this reason, overpressure…
Pump tag showing direction of flow

Reversing a Gear Pump

01-25-2024

With Viking pumps the answer is usually “yes,” but before you turn that “reverse” switch on your pump’s motor starter or variable frequency drive, there are a number of things to consider, which are discussed here
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
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.
testing of a pump in viking pump lab

5 Reasons to NOT Settle for Imitators 

06-30-2023

Having a great product, with a great reputation, and being a technology inventor like Viking Pump®, positions you as a market leader with high visibility. As such, other internal gear pump manufacturers naturally want to follow in your footsteps. While that is a huge compliment, it also causes confusion among internal gear pump buyers. In this article we'll walk through 5 reasons you'…

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