Steel Porthole Windows For Boats
● Type: marine ordinary porthole
● Fixed type: welded or bolted
● Material: Steel, SS, Cooper, Aluminum alloy
● Nominal size: 200mm to 450mm
Description
Steel porthole windows for boats
1. Type: heavy type (A), medium type (B) or light type (C)
2. Frame material: aluminum alloy, steel, brass
3. Deadlight: with deadlight or without deadlight
4. Opening: left opening or right opening or fixed
5. Glass: toughened glass
6. Cutout in bulkhead: 253mm to 463mm
7. Nominal size: 200mm to 450mm
8. Glass thickness: E: 10mm to 19mm F: 8mm to 15mm
name | type | Size of clear | installation | Glass | application |
D mm | |||||
Heavy | A | 200~400 | Bolted Welded | Transparent frosting | With watertight &gastight requirements above full load waterline, below freeboard |
Medium | B | 200~450 | Above freeboard, first deck for cargo vessels | ||
light | C | Above freeboard for passenger vessels |
Opening Welded Side Scuttle/porthole | ||||||
Clearlight Size(D) | D1 | d (Minimum) | h | Clips Qty. | Opening Size | |
Deadlight | Frame | |||||
200 | 250 | 75 | 155 | 2 | 3 | 253 |
250 | 305 | 75 | 182 | 2 | 3 | 308 |
300 | 360 | 75 | 207 | 2 | 3 | 363 |
350 | 410 | 75 | 232 | 3 | 3 | 413 |
400 | 460 | 75 | 257 | 3 | 3 | 463 |
450 | 510 | 75 | 282 | 3 | 4 | 513 |
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