Type D hatch cover
| Nominal size L×B | Clear size of opening L1×B1×R | Cover size L2×B2 | Deck opening dimension L3×B3×R1 | Cover thickness t | Coaming thickness t0 | Qty of handle buckle | Weight Kg |
| 530×530 | 530×530×115 | 588×588 | 622×622×161 | 4 | 6 | 4 | 46.7 |
| 592×592 | 622×622×161 | 6 | 53.3 | ||||
| 596×596 | 626×626×163 | 8 | 8 | 63.6 | |||
| 630×630 | 630×630×115 | 688×688 | 722×722×161 | 4 | 6 | 57.4 | |
| 692×692 | 722×722×161 | 6 | 66.1 | ||||
| 696×696 | 726×726×163 | 8 | 8 | 80.5 | |||
| 630×830 | 630×830×115 | 688×888 | 722×922×161 | 4 | 6 | 6 | 73.9 |
| 692×892 | 726×926×161 | 6 | 8 | 91.5 | |||
| 696×896 | 726×926×163 | 8 | 106.3 | ||||
| 830×830 | 830×830×115 | 892×892 | 926×926×163 | 6 | 8 | 114.9 | |
| 896×896 | 926×926×163 | 8 | 129.0 |