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EN 15004-2:2025

Fixed firefighting systems - Gas extinguishing systems - Part 2: Physical properties and system design of gas extinguishing systems for FK-5-1-12 extinguishant (ISO 14520-5:2024, modified)

Publication date:   Nov 18, 2025

General information

60.60   Standard published   Sep 17, 2025

CEN

CEN/TC 191 Fixed firefighting systems

European Norm

13.220.20   Fire protection

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Scope

This document specifies requirements for gaseous fire-extinguishing systems, with respect to FK-5-1-12 extinguishant. It includes details of physical properties, specification, usage and safety aspects.
This document is applicable only to systems operating at nominal pressures of 25 bar, 34,5 bar, 42 bar, 50 bar and 70 bar1 with nitrogen propellant. This does not preclude the use of other systems.

1 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm².

Life cycle

PREVIOUSLY

WITHDRAWN
EN 15004-2:2020

NOW

PUBLISHED
EN 15004-2:2025
60.60 Standard published
Sep 17, 2025

Relations

Adopted from ISO 14520-5 MODIFIED