BS 6643-1:1985 Recharging fire extinguishers (manufactured to BS 5423 'Specification for portable fire extinguishers') - Specification for procedure and materials
Deals with the refilling of extinguishers (complying with BS 5423) so as to maintain extinguishing performance and safety.
BS 6643-1:1985 history
2015BS 5306-9:2015 Fire extinguishing installations and equipment on premises. Recharging of portable fire extinguishers. Code of practice
1985BS 6643-1:1985 Recharging fire extinguishers (manufactured to BS 5423 'Specification for portable fire extinguishers') - Specification for procedure and materials