ANSUL – High Pressure Carbon Dioxide fire extinguishing systems:
There have been several instances where this particular fire extinguishing system has discharged without human intentional or accidental involvement.
The system manufacturer, ANSUL has identified the suspect CO2 cylinder valves as those having a date code between 10-07 and 06-08. This date code is located on a flat surface immediately above the threaded section which enters the cylinder and opposite the discharge outlet.
Owners and operators who have ANSUL High Pressure Carbon Dioxide Systems onboard their vessels and others who may own, sell or service these systems carefully follow the instructions on the ANSUL Bulletin.