HB
Casals Ventilació HB — Marine/offshore wall-mounted axial fan for general air renewal and ventilation in ship interiors and protected areas. Polypropylene (A2 profile) or fibreglass-reinforced polyamide impeller with variable pitch angle. Available with SS304/SS316 housing or C5M marine-grade finish..
Components & Design
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Technical Data
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Common failures & inspection points
Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integrity
Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones
Type-general inspection and maintenance points for this equipment category — not model-specific.
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