CB/T 3992-2008 in English

本标准规定了法兰连接尺寸和密封面GB/T 569、GB/T 2501的法兰钛合金截止阀的分类、要求、试验方法、检验规则、标志、包装。
本标准适用于海水等腐蚀性介质和温度不高于250℃蒸汽的船舶管路系统用截止阀的设计、制造和验收。

Scope

This standard specifies the classification, requirements, test methods, Inspection rules, markings and packaging. This standard is applicable to the design, manufacture and acceptance of butterfly valves for ship piping systems whose media are seawater, fresh water, air, crude oil and finished products with temperatures not higher than 70°C.