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Viking Pump Foundry from the outside

Exploring Viking Pump's Foundry: A Leader in Manufacturing Gear Pumps

04-14-2025

Welcome to the Viking Pump foundry in Cedar Falls, Iowa, where we’ve been at the forefront of manufacturing gear pumps for decades. Our foundry is a cornerstone of our vertical integration capabilities, allowing us to produce castings and parts at speed.
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.
motor driven glycol pump next to natural gas driven pumps

U.S. EPA Bans Natural Gas-Driven Pumps

02-23-2024

A new EPA rule, published December 2, 2023, covering new and existing oil and gas operations, requires the use of zero-emissions pumps instead of natural gas-driven pumps, with very few exceptions. It also restricts other natural gas-driven equipment, limits fugitive emissions and calls for reduced flaring of associated gas
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.
People holding shovels after planting a young sapling.

Viking Pump Energy Commits to Planting 10,000 Trees in 2023

04-06-2023

The Viking Pump® Energy Segment has partnered with global non-profit One Tree Planted with a goal of planting 10,000 trees annually. Every tree planted makes a positive impact for nature, wildlife, and people around the world.
Collage of liquids with different viscosities like milk, orange juice, syrup, etc.

Viscosity Through Thick and Thin

03-10-2022

Viscosity is a measure of a liquid’s resistance to flow. And you don’t need to work in a laboratory to observe this. Anyone who’s spent any time in the kitchen has observed a variety of liquids with a wide variety of viscosities.
Flanged port

7 Things You Want to Know about Flanged Ports, but are Too Afraid to Ask

01-05-2023

Flange standards used on Viking pumps have been in place for over a century so EVERYONE should be experts on this now…right? It turns out not so much. There are various standards and various design differences in each standard. AND the standards have evolved over the years, leading some to use obsolete terms which only compounds the confusion. The following should help clear up some of this…
Damaged Rotor close up

PUMP CAVITATION: THE SYMPTOMS, CAUSE, DIAGNOSIS, AND CURE

09-14-2022

Customers don’t ask me to listen to quiet pumps. This is symptom #1 of a cavitating pump. The pump is loud. Descriptors like “growly”, “rumbling”, or “gravelly” are used to describe the atypically loud sound coming from the pump. “Does it always sound like this?” I ask.“No, it was fine in the fall, but it’s been loud all winter.”
Viking pump strainers

Low-Cost Insurance Policy: how a strainer will save you time and money

07-20-2021

It’s typically impossible to see inside pipes and tanks. Industrial pipes are usually steel or stainless. Even the occasionally used PVC is typically opaque. But on the day of this customer visit, they had a sight glass placed in a horizontal run of pipe which permitted a peek inside…
pressure gauge

Current and Flow: An electrical engineer’s guide to the concepts of fluid systems

02-17-2021

Unlike most of my colleagues I didn’t start out with a mechanical background.  While they were studying kinetics and machine design, I was studying digital electronics and industrial power.  When I started my career in the world of pumps, I had to learn a whole new set of concepts.  What was surprising was that while the terminology may be a bit different, the concepts are…

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