| Customization: | Available |
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| Standard: | ISO |
| Customized: | Customized |
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Quick Closing Watertight Hatch Cover

| Size of Clear Opening D |
Deck Opening D1 |
Inside dia of hatch D2 |
Outside dia of cover D3 |
thickness | hatch | Central space |
weight | |
| thickness | h | |||||||
| 600 | 640 | 670 | 720 | 12 | 12 | 200 | 473 | 245 |
| 650 | 690 | 720 | 770 | 498 | 266 | |||
| 700 | 740 | 770 | 820 | 523 | 285 | |||
| 750 | 790 | 820 | 870 | 548 | 306 | |||
| 800 | 840 | 870 | 920 | 573 | 328 | |||