MOSS 3000 / HM 3500
Hamworthy Moss (historic predecessor) MOSS 3000 / HM 3500 — Inert gas generation for tanker cargo tanks.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Perform periodic cleaning and inspection of all inert gas sampling pipes to oxygen analyzer; check for blockages, corrosion, cracks in inlet pipes. Add to planned maintenance schedule (minimum semi-annually)
Inspect scrubber shell and bottom through access covers/manholes; check for corrosion, fouling, and damage to cooling water pipes and spray nozzles. Increase frequency from annually to semi-annually if carbon deposits found
Open deck seal unit for internal inspection; check venturi blockages (semi-dry types), inspect for corrosion/cracks in inlet pipe/housing, examine heating coils, verify integrity of internal parts and casing
For liquid-type P/V breakers: verify gauge glass is intact/clean/level-visible, confirm correct fluid type and level maintenance, check level is marked in static condition, verify low-temperature capability if freezing conditions expected
Calibrate portable and fixed oxygen monitoring equipment; verify alarm setpoints (maximum 8% oxygen threshold); conduct functional test of automatic shutdown logic when oxygen exceeds safe limits
Type-general inspection and maintenance points for this equipment category — not model-specific.
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