ISO 14520-9:2016

Gaseous fire-extinguishing systems -- Physical properties and system design -- Part 9: HFC 227ea extinguishant

ISO 14520-9:2016 contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specification, usage and safety aspects.

ISO 14520-9:2016 covers systems operating at nominal pressures of 25 bar, 42 bar and 50 bar with nitrogen propellant. This does not preclude the use of other systems.


General information

  • Status :  Withdrawn
    Publication date : 2016-10
  • Edition : 3
  • :
    ISO/TC 21/SC 8
    Gaseous media and firefighting systems using gas
  • 13.220.10
    Fire-fighting

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information

Subscribe