GB/T 1852-2008 in English

《GB/T 1852-2008船用法兰铸钢蒸汽减压阀》由TC137（全国船用机械标准化技术委员会）归口，TC137SC3（全国船用机械标准化技术委员会管系附件分会）执行，主管部门为国家标准化管理委员会。
本标准规定了法兰连接尺寸和密封面按GB/T569、GB/T2501的船用法兰铸钢蒸汽减压阀的分类和标记、要求、试验方法、检验规则、包装和贮存。
本标准适用于温度不超过300 ℃的船舶蒸汽管路系统用减压阀的设计、制造和验收。

Scope

This standard specifies the classification, marking, requirements, test methods and inspection rules of marine flanged cast steel steam pressure reducing valves (hereinafter referred to as pressure reducing valves) whose flange connection dimensions and sealing surfaces comply with GB/T 569 and GB/T 2501 , packaging and storage. This standard applies to the design, manufacture and acceptance of pressure reducing valves used in ship steam piping systems with temperatures not exceeding 300°C.