Hydraulic Watertight Shell Door
- Application
Used as watertight shell doors with electro-hydraulic remote control operation and hand pump operation and open angle can reach 180 degrees.

- Specifications
| No. | Clear size mm WxH |
Outline size (W+450) x (H+450) |
| 1 | 3000×3000 | 3450×3450 |
| 2 | 3000×3500 | 3450×3950 |
| 3 | 3500×3500 | 3950×3950 |
| 4 | 3500×4000 | 3950×4450 |
| 5 | 4000×4000 | 4450×4450 |
