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26 May 2026
Understanding NPSH: and How to Calculate It for Weltech Centrifugal Pumps
Learn what Net Positive Suction Head (NPSH) means, why it matters for pump reliability, and how to calculate NPSHa vs NPSHr using a real Weltech CP-Series worked example.
Read More →16 May 2026
The Role of Specific Gravity and Viscosity in Centrifugal Pump Selection
How specific gravity and viscosity drive motor power, head correction, efficiency and pump-type selection in any centrifugal application.
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14 May 2026
Pump Material of Construction Guide: Choosing the Right MOC for Every Liquid Application
An engineer's guide to selecting the right pump material of construction — cast iron, SS316, duplex, alloys, plastics — for every liquid application.
Read More →8 May 2026
How to Select the Proper Pump for Under-Vacuum Applications
A complete guide to selecting centrifugal pumps for vacuum service — covering NPSHa calculation, seal selection, pump type comparison.
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7 May 2026
Affinity Laws for Centrifugal Pumps: The Engineer's Guide to Speed, Flow, and Power
Your comprehensive guide to Understanding the Fundamental Concept of Affinity Law in Pumps
Read More →4 May 2026