本文件包含气体灭火系统的具体要求，包括: HFC 23灭火剂。它包括物理特性、规格、使用和安全性的详细信息 并适用于在标称压力为41巴（无氮气）下运行的系统 超高压和70巴氮气超高压。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 23 extinguishant. It includes details of physical properties, specification, usage and safety aspects and is applicable to systems operating at a nominal pressure of 41 bar without nitrogen superpressurization and 70 bar superpressurized with nitrogen.All current amendments available at time of purchase are included with the purchase of this document.