This European Standard specifies the rules of design, assembling, inspection and testing of CO2 portable fire extinguishers as far as the pressure risk is concerned.
BS EN 3-9:2006 Referenced Document
EN 3-7:2004 Portable fire extinguishers - Part 7: Characteristics, performance requirements and test methods (Incorporates Amendment A1: 2007)
EN 3-8:2006 Portable fire extinguishers - Part 8: Additional requirements to EN 3-7 for the construction, resistance to pressure and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar*, 2024-04-18 Update
EN 629-1:1996 Transportable Gas Cylinders - 25E Taper Thread for Connection of Valves to Gas Cylinders - Part 1: Specification
EN ISO 15245-1:2001 Gas cylinders Parallel threads for connection of valves to gas cylinders Part 1: specification ISO 15245-1: 2001*, 2024-04-18 Update
ISO 6718:1991 Bursting discs and bursting disc devices
BS EN 3-9:2006 history
0000 BS EN 3-9:2006(2008)
2007BS EN 3-9:2007 Portable fire extinguishers - Additional requirements to EN 3-7 for pressure resistance of CO2 extinguishers
2007BS EN 3-8:2006 Portable fire extinguishers — Part 8: Additional requirements to EN 3-7 for the construction, resistance to pressure and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar
1996BS EN 3-3:1996 Portable fire extinguishers - Construction, resistance to pressure, mechanical tests