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Jansen Tore

A-0 Rolling Fire Shutter (JA-0 RFS)

Fire Division Panel · Ship Structure & Outfitting

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

Jansen A-0 Rolling Fire Shutter (JA-0 RFS) by Jansen Tore GmbH & Co. KG. DNV MED certificate MEDB00004VW.

Specifications

Technical data.

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IMO ApprovedYes
Inspection

Inspector Detail

Common issues

  • Guide rail or curtain misalignment preventing full closure
  • Corrosion or debris buildup in guide tracks, especially in exposed or galley/machinery space locations
  • Motor/gearbox or spring-return mechanism failure preventing automatic closing on a fire signal
  • Damaged or seized release mechanism (fusible link or electro-magnetic release) not triggering closure
  • Curtain slat damage from impact (fork-lift, trolley traffic) reducing fire integrity

Inspection checklist

  • Function test the full closing cycle, manual and (where fitted) automatic/remote release
  • Check guide rails are clear of obstruction, corrosion and debris
  • Inspect curtain/shutter slats for damage or distortion
  • Test the release mechanism (fusible link, smoke/heat detector interface, or remote pull station) triggers closure
  • Verify the shutter closes fully and seals against the frame, maintaining the A-0 boundary
  • Check status/operating signage is present and legible

Service intervals

Function/closing testmonthly, as part of fire door/damper rounds under SOLAS fire safety maintenance requirements
Guide rail cleaning and lubricationquarterly or per PMS, using a lubricant that will not compromise fire performance
Release/detection interface testat fire detection system testing intervals, typically annually with partial monthly checks

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

Critical spares

  • Release mechanism (fusible link or electro-magnetic hold-open/release unit)
  • Guide rail sections and rollers
  • Curtain slat sections
  • Motor/gearbox unit for powered shutters

Safety

  • Automatic-closing shutters present a crushing/impact hazard in the closing path - keep the area clear and know the manual release location
  • A-0 rating depends on the shutter closing fully and sealing the opening - do not wedge or block it open outside an approved hold-open arrangement
  • Do not disable the automatic fire-signal release for testing without a documented, time-limited permit

Class survey

Deviation note: this order lists the item under 'CO2 Fixed System (Engine Room + Cargo)', but it is an A-0 class rolling fire shutter (door) per its DNV MED certificate MEDB00004VW - the content above addresses the actual product. Surveyor checks the shutter closes fully under gravity/spring or power operation, that release triggers correctly from the fire detection system, and that the boundary it protects is not compromised by wedging or disabled releases.

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.

CertificateMEDB00004VW
Open the certificate at DNV
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