| TECHNICAL SPECIFICATION (Typical) |
| 1. Operation |
Electro-hydraulic driven |
| 2. Design head, m |
50 max. |
| 3. Door opening direction |
Left & Right |
| 4. Type |
Coaming / Flush |
| 5. Door opening size |
According to shipyard
spec. |
| 6. Door
opening/closing speed by directional valve, sec. |
20~40 at upright condition |
| 7. Door
opening/closing speed by hand pump, sec. |
Within 90 at upright
condition |
| 8. Door
closing speed by master key in the wheelhouse, sec. |
Within 60 at upright
condition |
| 9. Electric power source |
According
to shipyard spec. |
| 10. Operating pressure,
bar |
150~210 |
| 11. Door body material |
JIS SS400 or equivalent |
| 12. Door frame material |
JIS SS400 & JIS STKR400
or equivalent |
| 13. Hydraulic pipe |
JIS SUS316 |
| 14. Painting |
According to shipyard
spec. |
| 15. Recommended hydraulic
oil |
Mineral oil ISO VG 32 |
| 16. Certificate |
According
to shipyardspec. |
