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Submerged Cargo Pump System

Cargo Pump (Deepwell) · Pumps

Technical data from manufacturer or class sources · not yet verified by a person​​‍‌‌​‌‍‍​⁠​‍‍​​‌‌‌‌
200-5,000 m³/h, Head 100-180 mCapacity
380-690V 3phVoltage
Crude Oil / Product Oil / ChemicalsMedium

Framo (Bergen, Norway, acquired by Alfa Laval in 2014) is the global market leader for submersible cargo pumps on tankers and chemical tankers with an estimated 60-70% market share. The Framo system places the pump directly in the tank bottom — no pump room required, maximum cargo discharge efficiency (stripping). Framo revolutionized the deepwell pump system in the 1970s and established it as the industry standard.

Specifications

Technical data.

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TypeSubmerged Hydraulic Cargo Pump
Drive TypeHydraulic (central HPU on deck)
ConstructionSubmerged centrifugal pump in tank bottom, hydraulic motor, hydraulic power unit on deck
Service

Service notes.

What our service work and the manufacturer documentation say about keeping this model running.

Hydraulic oil analysis quarterly. Pump performance test (Q-H curve) annually. HPU motor bearing inspection at drydock. Hydraulic hose replacement per schedule (7-10 years). Cargo stripping test before each discharge.

Inspection

Common failures & inspection points

Spares

Replacement Parts

Spare parts notes

Framo/Alfa Laval (Bergen, Norway). Lead time: 2-6 weeks. Pump impellers: 4-8 weeks. Hydraulic motors: 3-6 weeks.

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Also in Cargo Pump (Deepwell).

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