GB/T 588-2009 in English

《GB/T 588-2009船用法兰青铜截止止回阀》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符合GB/T 569和GB/T 2501要求的船用法兰青铜截止止回阀的分类和标记、要求、试验方法、检验规则、包装和贮存。

Scope

This standard specifies the classification, marking, requirements, test methods and inspections of marine flanged bronze stop check valves (hereinafter referred to as stop check valves) whose flange connection dimensions and sealing surfaces meet the requirements of GB/T 569 and GB/T 2501. Regulations, packaging and storage. This standard is applicable to the design, manufacture and acceptance of stop and check valves in steam pipeline systems whose medium is fresh water, sea water, lubricating oil, fuel oil and temperature not exceeding 250°C.