Marine steel small size hatch cover:
It is used valid of all kinds of ships.
Technical data:
| TYPE | NOMINAL SIZE L B | SIZE OF CLEAR OPENING L1 B1 R | SIZE OF COVER L2 B2 | SIZE OF COVER t |
| E EL ES F FL FS | 450 630 | 420 600 100 | 508 688 | 4 |
| 512 692 | 6 | |||
| 530 530 | 500 500 100 | 588 588 | 4 | |
| 592 592 | 6 | |||
| 630 630 | 600 600 100 | 688 688 | 4 | |
| 692 692 | 6 | |||
| 630 830 | 600 800 100 | 688 888 | 4 | |
| 692 892 | 6 | |||
| 830 830 | 800 800 100 | 888 888 | 4 | |
| 892 892 | 6 | |||
| HATCH | BUTTERFLYCLIP CLIP DIA | WEIGHT Kg | ||
| to | H | E | F | |
| 4,6 | 100 150 200 | M16 | 20.9 | 22.2 |
| 6,8 | 27.6 | 28.8 | ||
| 4.6 | 20.7 | 22 | ||
| 6,8 | 27.3 | 28.5 | ||
| 4,6 | M20 | 26.3 | 27.1 | |
| 6,8 | 35.1 | 35.9 | ||
| 4,6 | 32.5 | 33.1 | ||
| 6,8 | 43.6 | 44.2 | ||
| 4,6 | 39.2 | 40.5 | ||
| 6,8 | 53.3 | 54.5 | ||