Axial and Centrifugal Fans AC and DC
ENAG Axial and Centrifugal Fans AC and DC — Marine ventilation — ventilation of living quarters and accommodation spaces aboard vessels; also offshore and defence markets. Certified to Bureau Veritas and DNV classification requirements. Offered in AC (230 V–690 V, 50/60 Hz, single- and three-phase) and DC (12–110 VDC) versions. Housing in steel, aluminium or stainless steel; impeller in steel, aluminium or plastic. Diameter range Ø165 mm – Ø1700 mm. Power range 0–50+ kW..
Components & Design
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Technical Data
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Common failures & inspection points
Check impeller and housing for corrosion, erosion, mechanical damage, and fouling buildup; clean and treat as required
Verify bearing condition — check for abnormal noise, vibration, and temperature rise; re-grease or replace per manufacturer interval
Inspect shaft seal and motor ingress-protection integrity (IP rating compliance, e.g. IP56/IP68); replace worn seals
Measure motor insulation resistance and winding resistance; verify values against baseline and classification society limits
Check belt tension, alignment (direct-drive: coupling alignment), and flexible coupling elements for wear or cracking
Inspect all fasteners, anti-vibration mounts, and duct connections for looseness or deterioration from ship vibration
Test overload protection, thermal trip, and control-circuit functions (variable-speed drive, thermostat) for correct operation
Verify fire/smoke damper integration and interlocks are functional; confirm classification society survey records are up to date
Type-general inspection and maintenance points for this equipment category — not model-specific.
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