文档介绍：美国国家标准学会/美国仪表学会标准各产业中安全仪表系统的应用 A NS I/ ISA- 海洋石油化肥项目海洋石油化肥项目 ANSI/ISA--1996 此前为 ANSI/ISA--1996 各产业中安全仪表系统的应用 1997 年 3月 15 日审定美国国家标准学会/美国仪表学会标准各产业中安全仪表系统的应用 A NS I/ ISA- 海洋石油化肥项目海洋石油化肥项目目录 1 .适用范围······························································································ 71 安全仪表系统(SIS) 的界限······································································ 71 例外··································································································· 71 2 .适应本标准·························································································· 72 适应准则····························································································· 72 现有系统·