B Type Quick Open And Close Watertight Hatch Cover
Description:
It was used in all kinds of ships with the requirements of the rapid opening and closing of watertight gateway use hatch cover.
Technical Date:
| TYPE | SIZE OF CLEAR OPENING | DECR OPENING | INSIDE SIZE OF HATCH | OUT SIZE OF COVER |
| AXA | A1XA1 | A2XA2 | A3XA3 | |
| B | 600X600 | 640X640 | 670X670 | 720X720 |
| 700X700 | 740X740 | 770X770 | 820X820 | |
| 800X800 | 840X840 | 870X870 | 920X920 |
| THICK OF COVER | HATCH THICK | CENTRAL SPACE | WIGHT |
| t | t1 | B | kg |
| 12 | 12 | 510 | 310 |
| 560 | 340 | ||
| 610 | 380 |
