ISO 14520-5 is part 5 of the ISO 14520 series specifying requirements for gaseous fire-extinguishing systems that use clean agents (gaseous fire extinguishing systems). Part 5 covers requirements specific to halocarbon agents (chemical agents), including design, installation, performance, testing and safety considerations. This report summarizes scope, key technical requirements, typical structure, regulatory and application context, and guidance for locating an official PDF.
No. HFC-227ea has unique physical properties. For FK-5-1-12 (Novec 1230), see ISO 14520-12. For IG-541 (Inergen), see ISO 14520-8. iso 14520-5 pdf
Unlike some agents, HFC-227ea systems must discharge within 10 seconds for occupied spaces and within 7 seconds for high-risk hazards (e.g., turbines or server rooms). The standard’s Annexes contain calculation methods to verify this using pipe length/diameter ratios. ISO 14520-5 is part 5 of the ISO