MANHOLE COVER FOR SHIP
This standard is applicable to water – tight and oil – tight manhole covers for ships, and not suitable for boilers and pressure vessels, complying with ISO 5894.
A – type Manhole Covers
[Diagram of A – type manhole cover with dimensions labeled as L1, L2, L3, B1, B2, B3, etc.]
Table for A – type Manhole Covers
| Type | Nominal Size | L1 | L2 | L3 | B1 | B2 | B3 | Diameter DIA | Number of Fasteners | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 450X350 | 450 | 470 | 570 | 350 | 370 | 420 | 470 M20 | 16 | 30.8 |
| A | 600X400 | 600 | 620 | 720 | 400 | 420 | 520 | 520 M20 | 20 | 59.2 |
| A | 800X600 | 800 | 820 | 920 | 600 | 620 | 720 | 720 M20 | 20 | 90.2 |
B – type Manhole Covers
[Diagram of B – type manhole cover with dimensions labeled as L1, L2, L3, B1, B2, B3, etc.]
Table for B – type Manhole Covers
| Type | Nominal Size | L1 | L2 | L3 | B1 | B2 | B3 | Diameter DIA | Number of Fasteners | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|
| B | 450X350 | 450 | 470 | 570 | 350 | 370 | 420 | 470 M20 | 16 | 33.6 |
| B | 600X400 | 600 | 620 | 720 | 400 | 420 | 520 | 520 M20 | 20 | 65.6 |
| B | 800X600 (Ellipse) | 800 | 830 | 930 | 400 | 430 | 530 | 620 M20 | 24 | 82.8 |
| B | 800X600 (Ellipse) | 800 | 830 | 930 | 400 | 430 | 530 | 720 M20 | 24 | 89.8 |
Attention please: The description may be different with the goods, please check with us when order.
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