B class watertight sliding fire door

Shipboard fire control plan signs; B-class sliding fire door; Watertight.

Conforms to IMO resolution A.952(23) and ISO 17631 as recognised by A.11160(30) which comes into force on or after 1st January 2019.

IMO 952(23) -1.9 ISO 17631-A.1.9
IMPA Code 33.6770
ISSA Code 47.567.70