Marine Single Leaf Weathertight Door with round corner

Marine Single Leaf Steel Weathertight Door with Round Corner:

Standard: GB/T3477-1996

It is used as the doorway of superstructure abover freeboard deck or deck house, meet the requirements of ISO6042-1980.

 

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.

 

 

The Size is customerized.