B0 Steel Fire Door
Introduction of B0 Fire Door
The fire resistance separation of the ship structure is divided into different fire class areas according to the level of fire hazard of the compartments, and the crew cabin is defined as Class B separation. B0 fire door requirements in the fire resistance test, the average temperature rise of its backfire side does not exceed 140 ℃, the temperature rise of any point on the back does not exceed 225 ℃.
Specifications of B0 Fire Door
type
code
escape
venitilation
clear size L
cutout in steel wall
frame thickness D
leaf thickness d
L
B
L1
B1
B0
B0
1500~2000
500~1000
L+85
L+80
T+50
40
B0F
√
B0T
√
√
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