Fixed firefighting systems - Gas extinguishing systems - Part 3: Physical properties and system design of gas extinguishing systems for HCFC Blend A extinguishant (ISO 14520-6:2006, modified)
固定消防系统 - 气体灭火系统 - 第3部分:氟氯烃气体灭火系统的物理特性和系统设计混合灭火剂(ISO 14520-6:2006 修改)
This document gives specific requirements for gaseous fire-extinguishing systems, with respect to the
HCFC Blend A 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 with nitrogen propellant. This does not preclude the use of other systems.