A60 Fire-Rated Steel Portholes – Marine Safety Certified
60-Minute Fire Protection Portholes for Ships & Offshore Applications
Our A60 steel fire rated portholes provide critical compartmentalization in marine fire zones, combining fire resistance with watertight performance. These SOLAS-compliant portholes feature dual sealing systems that maintain integrity during 60-minute fire exposure while preventing water ingress.
Key Safety Features & Benefits
✔ A60 Fire Rating Certified – Withstands 60 minutes of fire exposure (ISO 834-1 tested)
✔ Dual-Purpose Design – Fireproof + Watertight in a single unit
✔ Versatile Configurations – Available in fixed or openable versions
✔ Marine-Grade Construction – Galvanized steel frames with ceramic glass
✔ Pressure-Resistant – Maintains integrity under 100+ Pa water pressure
Technical Specifications
| Model No. | Nominal Size (mm) | Cutout Diameter (mm) | External Size (mm) | Fire Glass Thickness (mm) |
|---|---|---|---|---|
| 1 | φ200 | 263 | 350 | 8 |
| 2 | φ250 | 313 | 400 | 8 |
| 3 | φ300 | 363 | 450 | 10 |
| 4 | φ350 | 413 | 500 | 12 |
| 5 | φ400 | 463 | 550 | 12 |
| 6 | φ450 | 513 | 600 | 15 |
The description/sizes may be different with goods, please check with us when order.
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