Gaseous fire-extinguishing systems — Physical properties and system design — Part 9: HFC 227ea extinguishant
NORMA vydána dne 2.7.2019
Označení normy: ISO 14520-9:2019-ed.4.0
Datum vydání normy: 2.7.2019
Počet stran: 11
Přibližná hmotnost: 33 g (0.07 liber)
Země: Mezinárodní technická norma
Kategorie: Technické normy ISO
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.