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SSH ISO 14520-9:2019

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

Sep 30, 2025

General information

60.60     Sep 30, 2025

95.99   

DPS

DPS/KT 114

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.

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PUBLISHED
SSH ISO 14520-9:2019
60.60 Standard published
Sep 30, 2025

Related project

Adopted from ISO 14520-9:2019 IDENTICAL