Fixed firefighting systems - Gas extinguishing systems - Part 4: Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant (ISO 14520-8:2019, modified)

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Hardcopy

Published date

02-01-2021

Publisher

Swiss Standards

This document specifies requirements for gaseous fire-extinguishing systems, with respect to the HFC 125 extinguishant.

Standards	Relationship
EN 15004-4:2020	Identical

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SN EN 15004-4:2021