NEN ISO 14520-7 : 2003
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
GASEOUS FIRE-EXTINGUISHING SYSTEMS - PHYSICAL PROPERTIES AND SYSTEM DESIGN - PART 7: HCFC 124 EXTINGUISHANT
21-08-2006
12-01-2013
Provides specific requirements for gaseous fire-extinguishing systems, with respect to the HCFC 124 extinguishant. It includes details of physical properties, specification, usage and safety aspects. Covers systems operating at a nominal pressure of 13,4 bar, superpressurized with nitrogen.
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