EN 15004-4:2008
Superseded
View Superseded by
Fixed firefighting systems - Gas extinguishing systems - Part 4: Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant (ISO 14520-8:2006, modified)
06-04-2008
10-15-2020
Foreword
Foreword of ISO 14520-8:2006
1 Scope
2 Normative references
3 Terms and definitions
4 Characteristics and uses
4.1 General
4.2 Use of HFC 125 systems
5 Safety of personnel
6 System design
6.1 Fill density
6.2 Superpressurization
6.3 Extinguishant quantity
This document gives specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 125 extinguishant. It includes details of physical properties, specification, usage and safety aspects and is applicable to systems operating at nominal pressures of 25 bar and 42 bar, superpressurized with nitrogen. This does not preclude the use of other systems.
| Committee |
CEN/TC 191
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NF EN 15004-4 : 2008 | Identical |
| NBN EN 15004-4 : 2008 | Identical |
| NEN EN 15004-4 : 2008 | Identical |
| NS EN 15004-4 : 1ED 2008 | Identical |
| I.S. EN 15004-4:2008 | Identical |
| PN EN 15004-4 : 2008 | Identical |
| BS EN 15004-4:2008 | Identical |
| DIN EN 15004-4:2008-09 | Identical |
| DS EN 15004-4 : 2008 | Identical |
| UNE-EN 15004-4:2009 | Identical |