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Technical notes and articles from Seal Pumps and Valves.

14 October 2026

Cavitation in end-suction pumps: cause, symptoms and cure

Cavitation is the most common cause of unexplained impeller damage. How to recognise it early and what to change.

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22 July 2026

Both handle viscous product, but they are not interchangeable. A short comparison to specify the right one first time.

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8 April 2026

Air operated diaphragm pumps fail slowly and predictably. Five checks that catch it before production does.

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19 November 2025

Boiler feed pumps sized on flow and head alone tend to trip on low water level. Three things to get right.

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3 June 2025

Most sites hold too many of the wrong parts. A simple way to decide what belongs on the shelf.

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11 February 2025

A seal destroyed by a few seconds of dry running costs more than the protection that would have prevented it.

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9 June 2017

In mechanical engineering, like in other fields, the total cost of owning and operating a pump unit or installation is the focus of…

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9 June 2017

Two-screw positive displacement pumps provide performance solutions for many chemical batch processing applications that cannot be achieved…

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9 June 2017

Transporting crude oil has always presented unique fluid-handling challenges. For example, pipelines often traverse remote territory in…

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