How to Choose the Right Pump: Seven Questions to Answer First
Seven questions that decide which pump you need, and how to use the CNP Pump Finder to shortlist models from your flow and head.
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Latest articles
Pump knowledge, maintenance advice and news from CNP Pumps Pakistan.
Swimming Pool Circulation Pumps: How to Choose the Right Size
How to size a swimming pool circulation pump: pool volume, turnover time, head loss and the pump types available.
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Fire-Fighting Pump Sets: Main, Jockey and Standby Pumps Explained
What a fire-fighting pump set contains, why the jockey pump matters and what to specify when you order one.
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Variable-Frequency Pumps: How Constant-Pressure Systems Save Energy
How variable-speed pumps hold constant pressure and cut electricity use, where they pay back and what to check before you specify one.
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Metering (Dosing) Pumps: Diaphragm, Plunger or Electromagnetic?
How metering (dosing) pumps work and how to choose between mechanical diaphragm, hydraulic diaphragm, plunger and electromagnetic types.
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Pumps for Reverse Osmosis and Seawater Desalination: What to Look For
Reverse osmosis needs a steady high-pressure feed. Learn how RO and seawater desalination pumps are chosen, from brackish-water feed to high-pressure seawater units.
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Cooling Tower Pumps: Choosing Between LLT and WLT Circulation Pumps
How to choose a cooling-tower circulation pump: flow, head, vertical or horizontal layout, and what to check for long, trouble-free running.
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How to Identify Your Pump Model and Order the Right Spare Parts
A checklist for reading a pump nameplate and ordering spare parts correctly the first time, so repairs are not delayed.
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NPSH and Cavitation Explained: How to Protect Your Pump
What NPSH means, how cavitation damages pumps, and how to calculate your NPSH margin and fix suction problems.
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