Marine Welded Steel Portholes – Superior Watertight Solutions
Heavy-Duty Welded Portholes for Steel Hull Vessels
Our marine welded steel portholes provide permanent, leak-proof installations for steel ships and vessels. These structurally integrated portholes offer superior sealing performance compared to bolted versions, making them ideal for below-deck applications where maximum watertight integrity is required.
Key Features & Benefits
✔ Permanent Welded Installation – Eliminates potential leak points
✔ Marine-Grade Steel Construction – Hot-dip galvanized for corrosion resistance
✔ Heavy-Duty Design – Withstands high pressure and wave impacts
✔ Integrated Deadlight System – Storm covers for emergency protection
✔ Precision Engineered – Laser-cut components for perfect fit
Technical Specifications
| Clear Size (D) mm | Flange OD (D1) mm | Glass Size (D2) mm | Frame OD (D3) mm | Height (h) mm | Glass Thickness (t) mm | Mounting Angle (α) | Deadlight Fasteners | Frame Fasteners | Bulkhead Opening mm |
|---|---|---|---|---|---|---|---|---|---|
| 200 | 245 | 204 | 250 | 155 | 10 | 45° | 2 | 3 | 253 |
| 250 | 295 | 254 | 305 | 182 | 12 | 42° | 2 | 3 | 308 |
| 300 | 350 | 304 | 360 | 207 | 15 | 31° | 3 | 3 | 363 |
| 350 | 400 | 354 | 410 | 232 | 15 | 31° | 3 | 3 | 413 |
| 400 | 450 | 404 | 460 | 257 | 19 | 31° | 3 | 3 | 463 |
The description/sizes may be different with goods, please check with us when order.
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