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C-type hatch cover
A C-type hatch cover with a nominal size of 630mm, a cover plate thickness of 4mm, a surround plate thickness of 6mm, and a surround plate height of 250mm:
Hatch cover with a diameter of 630 × 4-6 × 250 CB/T 3728-1995
|
type |
Nominal size L × B or φ |
Hole size L1 × B1 × R or π₁ |
Cover size L2 × B or φ ₂ |
Thickness of cover plate t |
coaming |
Number of center rotation clamps |
weight kg |
|
|
Thickness to |
Height H |
|||||||
|
C |
530×530 |
500×500×100 |
588×588 |
4 |
4.6 |
150 200 250 450 600 |
4 |
44.8 |
|
592×592 |
6 |
6.8 |
51.4 |
|||||
|
596×596 |
8 |
8.11 |
58.0 |
|||||
|
630×630 |
600×600×100 |
688×688 |
4 |
4.6 |
4 |
50.0 |
||
|
692×692 |
6 |
6.8 |
58.7 |
|||||
|
696×696 |
8 |
8.11 |
67.5 |
|||||
|
φ530 |
500 |
588 |
4 |
4.6 |
4 |
42.2 |
||
|
592 |
6 |
6.8 |
47.5 |
|||||
|
596 |
8 |
8.11 |
52.8 |
|||||
|
φ630 |
600 |
688 |
4 |
4.6 |
4 |
46.1 |
||
|
692 |
6 |
6.8 |
53.2 |
|||||
|
696 |
8 |
8.11 |
60.2 |
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