Fire Division Panel · Ship Structure & Outfitting
FyreWrap Blanket (Fiberfrax Durablanket S) - Class A-30 Aluminium Bulkhead (Restricted) by Unifrax Ltd. DNV TA certificate TAF00000G8.
| Visual condition survey | at each periodic fire safety inspection, typically annually |
|---|---|
| Thickness/compression spot-check | at each intermediate or renewal class survey |
| Pin/washer retention check | annually, or after any hot work carried out nearby |
| Post-repair verification after any panel disturbance | before returning the boundary to service |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Installed thickness vs approved thickness | should not be compressed below the thickness stated on the DNV type approval certificate for the A-30 rating - confirm against certificate TAF00000G8 |
|---|---|
| Pin spacing/retention | per the approved installation drawing, commonly in the order of every 300-400 mm for this class of application - confirm against the installation approval |
| Joint overlap width | typically a minimum overlap in the order of 50-100 mm between blanket sections is expected for this type of system - confirm against the approved installation method |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Note: this catalog entry is filed under 'Fire Hoses & Nozzles' but the product is a passive fire insulation blanket (A-30 rated) for aluminium bulkheads/decks, not a hose - the content above addresses the actual product. Class surveyors check this under structural fire protection (SOLAS II-2), verifying the installed material and thickness match the DNV type approval certificate TAF00000G8 and that the A-class boundary is not compromised by penetrations or damage.
Estimated lifetime: Not applicable in running hours; passive fire insulation of this type is inspected for physical condition rather than time-expired, and is expected to remain effective for the vessel's life provided it stays undamaged and uncontaminated.
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.
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