SR EN 15004-4:2020

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)

This document specifies requirements for gaseous fire-extinguishing systems, with respect to the HFC 125 extinguishant. It includes details of physical properties, specification, usage and safety aspects. This document is applicable for systems operating at nominal pressures of 25 bar and 42 bar, superpressurized with nitrogen. This does not preclude the use of other systems.

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General information

Status : Valid
Approval date : 11/27/2020
Number of pages : 16
ICS : 13.220.20 Fire protection
Technical Committee : 216 - Fire protection equipment

Relations with other standards:

Replaces SR EN 15004-4:2008
Normative reference SR EN 15004-1:2019