ABF Series (6 sizes: 080-140)
IMO ABF Series (6 sizes: 080-140) — Marine low-pressure fuel oil, lubrication.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Verify pressure relief valve opens at or above minimum threshold (minimum 10.3 bar/150 PSI per DNV rules) under load; test response time and set point stability with pressure gauge
Inspect shaft seal condition (Carbon/Silicon Carbide or Silicon Carbide types per model); verify no visible oil weeping at bearing or seal interface; measure seal face runout; replace if wear grooves exceed manufacturer limits
Visual inspection of pump casing interior and rotor surfaces for pitting, erosion, or stress corrosion cracking; measure casing wall thickness if previous damage suspected; check rotor hardness (alloy steel nitride hardened per 3D/6D/12D specs)
Measure inlet/discharge pressure differential; verify rotor-to-casing clearances; check bearing preload and alignment; test operating noise at rated speed; assess pump mounting (foot vs. flange) and foundation rigidity
Confirm operating fluid viscosity within range (2-3800 mm²/s for ACF; 2-5000 cSt with approval for LPQ); verify temperature does not exceed limits (90°C ACF, 130°C ACE); check for deposits or sludge formation in pump case
Type-general inspection and maintenance points for this equipment category — not model-specific.
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