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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…
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.”
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.”
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.”
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.”
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.”
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.”
Relief Valves blog thumbnail

Relief Valves: The ever-vigilant heroes

07-04-2025

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 extremely rare, this does happen and can even propel a water heater like a rocket through the floor and roof of a dwelling. So how can we sleep peacefully each night with the…
Relief Valves blog thumbnail

Relief Valves: The ever-vigilant heroes

07-04-2025

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 extremely rare, this does happen and can even propel a water heater like a rocket through the floor and roof of a dwelling. So how can we sleep peacefully each night with the…

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