Fire/Smoke Damper · Ventilation
A-60 Class Divisions fire dampers (models SFDC-M80, SFDC-M500, SFDR-M2010, SFDR-M5050) are automatic ventilation duct closures that prevent the spread of fire and smoke on board, complying with SOLAS fire‑resistance requirements.
What our service work and the manufacturer documentation say about keeping this model running.
Magnetron replacement every 5,000-8,000 hours. Antenna bearing lubrication annually. Weekly performance monitor test (IMO requirement). Annual inspection.
Heinen & Hopman Engineering B.V.: Keep a spare magnetron on board (on magnetron models). Lead time: 1-3 weeks.
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