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Halton Marine

FDA Fire Damper

Fire/Smoke Damper · Ventilation

Class-certified type (DNV register) · technical data sheet not yet verified​​⁠‍‌​‍⁠‍‍‍​‍‌‌⁠‍‌​‌

FDA Fire Damper by Halton Marine Oy. DNV TA certificate TAF00000CJ.

Specifications

Technical data.reference — unverified

Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.

Rectangular duct width B200-1200 mm
Rectangular duct height H200-1600 mm
Circular duct diameter200-1250 mm
Modular construction max size2500x2600 mm
Inspection

Inspector Detail

Common issues

  • Damper blade seizing partly open or closed from corrosion or paint overspray
  • Fusible link/thermal release element degraded or painted over, delaying closure
  • Actuator (air-driven, electric or manual) failing to drive the damper fully open or closed
  • Local or remote position indication not matching the actual blade position
  • Gasket/seal deterioration allowing smoke leakage past a nominally closed damper
  • Corrosion of the damper housing and blade in engine room or galley exhaust ducting
  • Linkage or spring-return mechanism seizing from lack of regular exercising

Inspection checklist

  • Manually exercise the damper through a full open/close cycle and confirm smooth operation
  • Verify local position indicator matches the actual blade position
  • Check the fusible link/thermal element (where fitted) is unpainted, undamaged and correctly rated
  • Test remote release/actuation from the fire control station where fitted
  • Inspect blade and frame for corrosion, deformation or debris obstruction
  • Check seal/gasket condition for smoke-tightness in the closed position
  • Verify the damper is correctly identified and matches the fire control plan
  • Confirm the spring-return mechanism closes the damper without external power
  • Check the access/inspection cover can be opened for testing

Service intervals

Full open/close operational testevery 3 months, or per the ship's fire safety maintenance schedule
Fusible link condition checkevery 12 months
Remote actuation test from fire control stationevery 12 months, aligned with the fire drill programme
Visual corrosion/blade condition checkevery 12 months

Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.

Critical spares

  • Fusible link/thermal release element of the correct temperature rating
  • Replacement gasket/seal material
  • Actuator unit (air cylinder or electric actuator)
  • Indicator cable/linkage kit
  • Corrosion-resistant fasteners for the housing

Safety

  • A seized-open damper defeats fire/smoke boundary compartmentation and allows fire spread through ventilation ducting
  • A seized-closed damper on a normally-open engine room supply can starve combustion air or machinery ventilation
  • Hot ducting surfaces near the damper during a fire event
  • Pinch/entrapment hazard at the spring-loaded blade during manual testing

Class survey

Fire dampers serving machinery space and cargo area boundaries are normally part of the ship's fire safety maintenance plan and are checked at survey for correct fail-safe closing operation, position indication, and condition of fusible elements; damaged or painted-over fusible links are a common survey finding.

Classification

DNV type approval

Listed in the DNV Approval Finder at the time we recorded it. The certificate is issued by DNV, not by us; check its current status at DNV.

CertificateTAF00000CJ
Open the certificate at DNV
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