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ISO 14520-9:2019

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

Jul 2, 2019

General information

90.93     Mar 10, 2025

ISO

ISO/TC 21/SC 8

International Standard

13.220.10  

English  

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Scope

This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specifications, usage and safety aspects.
This document is applicable to 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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 14520-9:2016

NOW

PUBLISHED
ISO 14520-9:2019
90.93 Standard confirmed
Mar 10, 2025

National adoptions

SSH ISO 14520-9:2019  
DPS

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

60.60 Standard published

DPS/KT 114 more