Reading a Pump Curve: BEP, NPSHr, and Why Your Pump Is Cavitating
Four curves share one sheet of paper, and every pump failure conversation eventually comes back to one of them.
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ANSI B73.1M Explained: What the Standard Actually Guarantees
The most useful thing about an ANSI pump is also the most misunderstood: the standard tells you where the flanges are, and almost nothing else.
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AODD or Centrifugal? Choosing for Abrasive, Shear-Sensitive and Corrosive Duty
The two pumps fail in completely different ways, which is the most useful thing to know when choosing between them.
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316SS, CD4MCu, Alloy 20 or Hastelloy: Choosing Pump Metallurgy
Most pump material decisions are inherited rather than made, and the inherited answer is very often 316 — including in the services where 316 is exactly wrong.
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These notes are general engineering reference. Every application has conditions a general note cannot account for — send us your duty point, fluid analysis and operating range and we will give you a specific answer.