Multi-part Document
BS 6643 - Recharging fire extinguishers (manufactured to BS 5423 'Specification for portable fire extinguishers')

This is a multi-part document divided into the following parts:

• Part 1 Recharging fire extinguishers (manufactured to BS 5423 'Specification for portable fire extinguishers'). Specification for procedure and materials
• Part 2 Recharging fire extinguishers (manufactured to BS 5423 'Specification for portable fire extinguishers'). Specification for powder refill charges