"> DESMI Pumping Technology A/S NDW150, NDW200, NDW250, NDW300
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DESMI Pumping Technology A/S

NDW150, NDW200, NDW250, NDW300

The Desmi NDW series (150, 200, 250, 300) are compact self‑priming centrifugal pumps built for marine ballast water transfer, fire‑main and bilge applications, offering high suction lift and a robust mechanical seal.

DESMI Pumping Technology A/S NDW150, NDW200, NDW250, NDW300
Marine-rated, per Hersteller-Datenblatt
Capacity
Seawater / Freshwater / Oil
Medium

Components & Design

Component data being added…

Technical Data

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Common failures & inspection points

●Mechanical face seal leakage after 8,000-12,000 operating hours
●Impeller erosion due to cavitation at insufficient NPSH
●Shaft bearing wear after 15,000-20,000 hours
●Coupling misalignment causes vibration and premature bearing wear

Service & Maintenance

Face seal every 8,000-12,000 hours. Impeller inspection at docking. Shaft bearing every 15,000-20,000 hours. Coupling alignment annual inspection. Vibration measurement quarterly.

Suppliers & Spare Parts

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Replacement Parts

DESMI Pumping Technology A/S: Spare parts per manufacturer spare parts list. Mechanical seals and impellers to be kept on board. Lead time: 2–6 weeks depending on manufacturer.
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Equipment Model #2630 · ✓ still in production