U5C (Portable CO2 Extinguisher)
Wilhelmsen Unitor U5C (Portable CO2 Extinguisher) — Portable fire suppression for Class B fires, electrical equipment use up to 5000V.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Annual weight/liquid level check of at least 10% of cylinders; monitor pressure gauges on manifold and control panels
Periodical hydrostatic test at 10-year intervals; at 10-year inspection, minimum 10% of cylinders undergo internal inspection and hydrostatic pressure test at 250 bar; at 20-year inspection, test all cylinders not previously tested
Internal inspection of all control valves at least once every 5 years; verify valve operation manually and pneumatically
Visual inspection of all discharge nozzles for corrosion, debris, or obstruction; verify uniform placement throughout protected spaces
Monitor pilot cylinder pressure (typically 50 bar); check supervisory pressure switch function; inspect pressure gauge for accuracy; verify pilot bleed valve relief function
Type-general inspection and maintenance points for this equipment category — not model-specific.
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