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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...
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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 di...
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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 lou...
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Relief Valves: The ever-vigilant heroes
07-30-2025
Millions of homes around the world are fitted with water heating devices such as boilers or water supply heaters. Should they overheat, pressures can rise internally until the tank ruptures. Though ex...
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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, t...
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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 st...
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Don’t Forget to Stretch
01-29-2021
Long before Covid-19 many of us, myself included, have been sidelined by illness. During this period of downtime, we rest and minimize physical activity. Post-illness we’re eager to resume our norma...
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Fear of the Gear
01-05-2021
In the world of positive displacement pumping, reduced speed operation is a common requirement. High viscosity liquids, shear sensitive liquids, abrasive liquids, or any combination thereof require t...
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It Flows Both Ways: a guide to running an internal gear pump in reverse
12-03-2020
One of the biggest limitations of a traditional centrifugal pump is its inability to reverse the direction of flow. By design it can only be run in one rotation and one direction of flow. Liquid enter...
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Banana Pumps and Star Gears: A guide to pump industry slang
09-18-2019
A gentleman once contacted me to let me know that he’d cracked a head, an impressive, but not entirely unheard-of feat. When I asked how this had happened he admitted “well, I was wailing on it prett...
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