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Alfa Laval

NX 418

Alfa Laval NX 418 — Sludge and wastewater dewatering.

Alfa Laval NX 418

Components & Design

Component data being added…

Technical Data

Bowl speed 4000 RPM
Motor power 20 HP
Capacity 110 GPM (light sludge)

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Common failures & inspection points

Nozzle blockage in water discharge system

Clean and inspect all operating water nozzles regularly; remove accumulated sludge using soft iron wire; verify nozzle holes are clear of deposits

Bearing wear and degradation

Replace main and internal bearings every 15,000 operating hours; perform weekly lubrication checks; monitor for unusual noise or vibration during operation

Bowl seal and gasket deterioration

Inspect bowl seals and gaskets for cracks and wear; perform seal replacement on schedule depending on application (every few weeks for abrasive fluids to every few months for benign applications); check for liquid leakage

Corrosion and erosion damage in bowl and conveyor

Inspect regularly for corrosion damage; inspect frequently if process liquid is erosive; contact manufacturer if erosion damage exceeds 1.0 mm depth; check conveyor for wear

Sludge discharge mechanism malfunction

Check for dirt and lime deposits in sludge discharge mechanism; thoroughly clean discharge parts; verify sludge ports for cracks in rotating parts and bowl wall pillars; test discharge operation

Type-general inspection and maintenance points for this equipment category — not model-specific.

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Equipment Model #147381 · ✓ still in production