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Better pump decisions begin with better duty data.
Answer-first field guides for engineers, buyers and project teams comparing real operating requirements, materials, controls and maintenance risks.
LATEST GUIDES
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ZBF vs ZCQ Self-Priming Magnetic Pump: Material Compatibility and Suction Selection
Compare ZBF reinforced-polypropylene and ZCQ stainless-steel configurations by chemical compatibility, suction conditions, priming, flow, head and RFQ data.
Read technical guide →CDLF Multistage Pump Inlet Pressure: How to Avoid Cavitation in Booster Systems
Review CDLF booster pump inlet pressure, NPSHa versus NPSHr, tank level, suction losses and temperature before selecting flow, head and stages.
Read technical guide →TECHNICAL GUIDE · 19 OCT 2026Diaphragm vs Plunger Metering Pumps: How to Choose for Chemical Dosing
Compare diaphragm and plunger metering pumps by chemical compatibility, dosing range, back pressure, sealing, maintenance and control requirements.
Read technical guide →ARTICLE ARCHIVE
Every technical guide remains available.
Browse all articles by publication date. Older guides continue on the following pages.
Progressive Cavity Pump for High-Viscosity Liquids: Selection by Viscosity, Flow and Pressure
Learn how to select a progressive cavity pump for high-viscosity liquids based on viscosity, flow, pressure, speed, suction conditions and rotor-stator compatibility.
Read technical guide →TECHNICAL GUIDE · 05 OCT 2026Submersible Sewage Pump Keeps Cycling: Level Control, Backflow or a Trip?
Diagnose frequent sewage-pump starts by checking wet-well levels, inflow, discharge backflow and protection events before blaming the pump.
Read technical guide →TECHNICAL GUIDE · 03 OCT 2026Progressive Cavity Pump Discharge Is Blocked: Checks Before Restarting
Check a progressive cavity pump after a blocked discharge: isolate safely, trace restrictions, review pressure protection and confirm restart conditions.
Read technical guide →TECHNICAL GUIDE · 02 OCT 2026Centrifugal Pump Flow Drops After a System Change: What to Check
A practical guide for diagnosing low centrifugal-pump flow after a system change. Check demand, resistance, suction, valves and the actual operating point before changing the pump.
Read technical guide →TECHNICAL GUIDE · 01 OCT 2026CDLF Pump Pressure Is Below Target: System Checks Before Changing the Pump
A practical CDLF vertical multistage pump troubleshooting guide for pressure below target. Check inlet supply, air, valves, piping resistance and duty changes before reviewing pump selection.
Read technical guide →TECHNICAL GUIDE · 30 SEP 2026Metering Pump Actual Flow Differs From Setting: What to Check
A practical troubleshooting guide for chemical dosing when a metering pump's actual flow differs from its setting. Check suction, air entry, valves, back pressure and liquid conditions before adjustment.
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