Type D steel small size hatch cover:
It used in ship to more convenient chheck.
Technical Data:
| TYPE | NOMINAL SIZE L B | SIZE OF CLEAR OPENING L1 B1 R | SIZE OF COVER | SIZE OF DECK OPENING | |
| L2 | B2 | L3 B3 R1 | |||
| D DL DS | 530 530 | 530 530 115 | 588 | 588 | 622X622X161 |
| 592 | 592 | 622X622X161 | |||
| 596 | 596 | 626X626X163 | |||
| 630 630 | 630 630 115 | 688 | 688 | 722X722X161 | |
| 692 | 692 | 722X722X161 | |||
| 696 | 696 | 726X726X163 | |||
| 630 830 | 630 830 115 | 688 | 888 | 722X922X161 | |
| 692 | 892 | 726X926X163 | |||
| 696 | 896 | 726X926X163 | |||
| 830 830 | 830 830 115 | 892 | 892 | 926X926X163 | |
| 896 | 896 | 926X926X163 | |||
| SIZE OF COVER | THICK OF HATCH | CLIP QUT | WEIGHT Kg |
| t | to | ||
| 4 | 6 | 4 | 46.7 |
| 6 | 6 | 53.5 | |
| 8 | 8 | 63.6 | |
| 4 | 6 | 57.4 | |
| 6 | 6 | 66.1 | |
| 8 | 8 | 80.5 | |
| 4 | 6 | 6 | 73.9 |
| 6 | 8 | 91.5 | |
| 8 | 8 | 106.3 | |
| 6 | 8 | 8 | 114.9 |
| 8 | 8 | 129 |