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Grundfos
NK / NB Marine
Grundfos NK (long-coupled) and NB (close-coupled) marine variants for smaller vessel ballast and general service since 1990.
30-800 m³/h
Capacity
Sea water/fresh water
Medium
Components & Design
Component data being added…
Technical Data
pump type
End-suction centrifugal pump (marine variant)
variant count approx
100
period start year
1990
drive type
Electric
construction
Cast iron/bronze, IEC motor
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Common failures & inspection points
●Mechanical seal leakage
●Motor bearing wear
●Impeller wear
●Cavitation damage
Service & Maintenance
Standard service: seal 8000h, bearings per motor schedule.
Suppliers & Spare Parts
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Equipment Model #37487
· ✓ still in production