B15 and B0 Single-Leaf Fireproof Steel Door This product is a class B fireproof door. Its fire resistance time is one hour. It can be used at fireproof zone, bulkhead, casing wall of engine and accommodation of ship.
B15 and B0 Double-Leaf Fireproof Steel Door is a class B fireproof door.
A60 Fireproof Single Leaf Steel Door A60 Fireproof Single -Leaf Steel Door not only meets requirements of fire stability and thermal insulation,but prevents a fire from speeding.
