Fire Division Penetration Seal (Class A/B) · Marine Interior & Construction Materials
HK-25/26 - A0 and A60 Class Cable Transits by Shanghai Huoke New Material Co., Ltd. DNV TA certificate TAF0000218.
| Visual condition and torque check | annually, as part of fire safety rounds |
|---|---|
| Full re-verification against cable schedule | at each dry-docking or after re-cabling work |
| Sealing compound condition check | condition-based - inspect at each dry-docking, renew if shrinkage or cracking is found |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Gap between insert blocks after compression | should be effectively zero - confirm against the installation manual if any gap is visible |
|---|
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Surveyors typically compare the installed transit and cable count against the approved drawing/cable schedule and confirm markings remain legible. Checked as part of hull/fire safety rounds rather than a dedicated machinery survey item.
Estimated lifetime: Not applicable in running hours - passive fire-rated penetration, service life tied to the vessel's structure and subject to periodic condition checks.
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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