NEN ISO 14520-9 : 2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GASEOUS FIRE-EXTINGUISHING SYSTEMS - PHYSICAL PROPERTIES AND SYSTEM DESIGN - PART 9: HFC 227EA EXTINGUISHANT
06-17-2008
01-12-2013
Provides specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea 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.
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