Cable Sizing for Submersible Pumps: Voltage Drop Explained
A submersible 40 metres down can be fed by 100 metres of cable. If that cable is too thin, the motor pays for it quietly...
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Insights & Stories
Engineering Knowledge from the Solanzo Team
Manufacturing stories, R&D breakthroughs, and practical engineering insight from 27+ years of Italian precision in water and solar pump technology.
IE2 and IE3 Motors: What the New EU Efficiency Classes Mean
From this June, most new motors sold in Europe must meet IE2 efficiency. What the IE classes measure and what it means f...
Read MoreWhy Stainless Steel Construction Extends Pump Life
The difference between a pump that lasts five years and one that lasts twenty often comes down to one decision made at t...
Read MoreMechanical Seals vs. Gland Packing: A Plain Explanation
Every pump shaft must be sealed where it enters the water. Two technologies do the job, and they are not interchangeable...
Read MoreCavitation: The Quiet Killer of Impellers
It sounds like gravel in the pump and leaves the impeller looking sandblasted. Cavitation is preventable, once you under...
Read MoreSuction Lift: Why 8 Metres Is the Hard Limit
No surface pump can pull water higher than about eight metres, no matter the horsepower. The reason is physics, not engi...
Read MoreHow to Read a Pump Curve Without Being an Engineer
The Q/H curve is the pump's résumé in one line. Learn to read it and you will never buy an undersized or oversized pump...
Read MoreWater Hammer: The Bang in the Pipes Explained
That thump when a valve snaps shut is moving pressure, not a ghost. Here is what causes it and why it quietly destroys f...
Read MoreHead vs. Pressure: Clearing Up the Most Common Confusion
Pump datasheets talk in metres, plumbers talk in bar. They are describing the same thing, and converting between them ta...
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