Division 4 Fixed fire-extinguishing systems (R 5 + 8 + 9 + 10)F1
United Kingdom
- .1Fixed gas fire-extinguishing systems: General (R 5.1)
- .2Carbon dioxide systems (R 5.2)
- .3Fixed low-expansion foam fire-extinguishing systems in machinery spaces (R 8)
- .4Fixed high-expansion foam fire-extinguishing systems in machinery spaces (R 9)
- .5Fixed pressure water-spraying fire-extinguishing systems in machinery spaces (R 10)