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ISO 14520-9:2019-ed.4.0

Gaseous fire-extinguishing systems — Physical properties and system design — Part 9: HFC 227ea extinguishant

NORMA vydaná dňa 2.7.2019

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Informácie o norme:

Označenie normy: ISO 14520-9:2019-ed.4.0
Dátum vydania normy: 2.7.2019
Počet strán: 11
Približná hmotnosť: 33 g (0.07 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO

Anotácia textu normy ISO 14520-9:2019-ed.4.0 :

Description / Abstract: This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specifications, usage and safety aspects. This document is applicable to systems operating at nominal pressures of 25 bar, 42 bar and 50 bar with nitrogen propellant. This does not preclude the use of other systems.