Marine Steel Weathertight Door with 6 clips
Product Description
Marine Steel Weathertight Door with 6 clips:
Standard: GB/T3477-1996
It is used as the doorway of superstructure abover freeboard deck or deck house, meet the requirements of ISO6042-1980.
Th clips are carbon steel with hot dip galv.
1.Door Class and Applicable Position
| Class | Applicable Position |
| A | Front bulkhead of the first superstructure above freeboard deck(in the range 0.1-0.7L forward after perpendicular) |
| B | Front bulkhead of the second superstructure above freeboard deck(in the range 0.1-0.7L forward after perpendicular), and the aft bulkhead & side wall of the first superstructure. |
| C | Front bulkhead of the third superstructure above freeboard deck(in the range 0.2-0.6L forward after perpendicular),and the aft bulkhead & side wall of the second superstructure. |
| D | Front bulkhead of the fourth superstructure above freeboard deckand the aft bulkhead & side wall of the third superstructure. |
2.Door Type
AF-Class A, square corner
AY-Class A, round corner
BF-Class B, square corner
BY-Class B, round corner
CF-Class C, square corner
CY-Class C, round corner
DF-Class D, square corner
DY-Class D, round corner
*Class C & D can be with the fixed steel round window Diameter 250mm.
3.Test Requirement:
Class A,B,C-The door must pass the hose test with the nozzle diameter 12.5mm, the water pressure 0.25Mpa.
Class D-The door must pass the hose test from the top from the bottom ,without the water pressure requirement.