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ALLWEILER (CIRCOR/IDEX)

NB Cooling Marine

ALLWEILER NB centrifugal pump for marine cooling-water duties — main cooling SW circuit and aux cooling on bulkers and tankers since 1980.

50-1800 m³/h
Capacity
Sea water/fresh water
Medium

Components & Design

Component data being added…

Technical Data

pump type End-suction centrifugal cooling pump
variant count approx 120
period start year 1980
drive type Electric
construction Cast iron/bronze

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Common failures & inspection points

Mechanical seal leakage
Bearing wear
Impeller corrosion in seawater
Wear ring clearance increase

Service & Maintenance

Standard cooling-pump service. Seal 8000h, bearings 20000h.

Suppliers & Spare Parts

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Replacement Parts

Standard CIRCOR/IDEX spares globally.
Equipment Model #37500 · ✓ still in production