Clear Size (D) | Cut in Deck (D1) | Thickness of Cover (t) | Thickness of Coaming (t1) | height of Coaming (H) | Distance of Center | Weight |
600 | 640 | 12 | 12 | 200 | 473 | 245 |
650 | 690 | 498 | 266 | |||
700 | 740 | 523 | 285 | |||
750 | 790 | 548 | 306 | |||
800 | 840 | 573 | 328 |
Clear Size (A*A) | Cut in Deck (D1) | Thickness of Cover (t) | Thickness of Coaming (t1) | height of Coaming (H) | Distance of Center | Weight |
600×600 | 640×640 | 12 | 12 | 200 | 510 | 310 |
700×700 | 740×740 | 560 | 340 | |||
800×800 | 840×840 | 610 | 380 |
Type | Name | Nominal Size |
OEHC-WaHC-TypeA | round quick acting watertight hatch cover | Φ600 Φ650 Φ700 Φ750 Φ800 |
OEHC-WaHC-TypeB | square quick acting watertight hatch cover | 600 ×600 700 ×700 800 ×800 |