Pump selection & global supply support+86 151 2119 9987 · dfin88@dfinsewagepump.com

NEWS & KNOWLEDGE

Useful answers for pump selection.

Selection notes, application guides and company updates for engineers, buyers and maintenance teams.

Selection guide · 2026-09-18

How to choose a non-clogging sewage pump

A practical checklist covering flow, total head, solids passage, installation, motor protection and maintenance access.

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Technical guide · 2026-09-15

How to select materials for an air-operated diaphragm pump

Match body, diaphragm, ball and seat materials to chemicals, temperature, abrasion and cleaning requirements.

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Application guide · 2026-09-12

Deep-well pump sizing: six inputs that matter

Well diameter, dynamic water level, drawdown, discharge pressure, sand content and power supply determine the right configuration.

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Product insight · 2026-09-08

When a cutting sewage pump is the right choice

Understand fibrous solids, cutter geometry, installation conditions and the limits of a cutting system.

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Technical guide · 2026-09-04

CDL/CDLF multistage pumps for clean-water pressure boosting

A concise guide to flow, head, material, seal and variable-frequency operation.

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Safety & reliability · 2026-08-29

Magnetic-drive pumps for leak-sensitive liquids

Where sealless magnetic coupling improves containment and which dry-running and particle limits still matter.

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