止回阀制造与标准
GB/T12235-1989通用阀门法兰连接钢制截止阀和升降式止回阀Generalpurposeindustrialvalves—Flangedsteelglobevalvesandliftcheckvalves
GB/T1241-1983船用外螺纹锻钢截止止回阀Marineforgedsteelmalethreadstopandcheckvalves
GB/T12233-1989通用阀门铁制截止阀与升降式止回阀Generalpurposeindustrialvalves—Castingironglobevalvesandliftcheckvalves
GB/T12236-1989通用阀门钢制旋启式止回阀Generalpurposeindustrialvalves—Steelswingcheckvalves
GB/T13932-1992通用阀门铁制旋启式止回阀Generalpurposeindustrialvalves--Castironswingcheckvalves
GB/T18691-2002农业灌溉设备止回阀Agriculturalirrigationequipment--Checkvalves
GB/T1952-1980船用低压外螺纹青铜止回阀Lowbressurebronzemalescrew-threadcheckvalveformarineuse
GB/T597-1983船用外螺纹青铜止回阀Marinebronzemalethreadliftcheckvalves
GB/T592-1993船用法兰铸铁止回阀Marinecastironflangedliftcheckvalves
GB/T591-1993船用法兰铸铁截止止回阀Marinecastironflangedstopcheckvalves
GB/T586-1999船用法兰铸钢止回阀Marinecaststeelflangedcheckvalves
GB/T588-1993船用法兰青铜截止止回阀Marinebronzeflangedstopcheckvalves
GB/T589-1993船用法兰青铜止回阀Marinebronzeflangedcheckvalves
GB/T596-1983船用外螺纹青铜截止止回阀Marinebronzemalethreadstopandcheckvalves
GB/T585-1999船用法兰铸钢截止止回阀Marinecaststeelflangedstopcheckvalves
GB/T1953-1984船用低压外螺纹青铜截止止回阀Marinelowpressurebronzemalethreadedstopcheckvalves
JB/T8937-1999对夹式止回阀　
JB/T1736-1991(2005复审)旋启式止回阀阀瓣密封圈　
JB/T1737-1991(2005复审)旋启式止回阀阀瓣密封圈压板　
JB/T53036-1999止回阀产品质量分等　
NFE29-350-2003工业用阀.钢制球阀、球状截止阀和止回阀(Industrialvalves-Steelglobeandglobestopandcheckvalves.)
NFE29-316-3-2000供水用阀门.适用性要求和专用检查试验.第3部分:止回阀(Valvesforwatersupply-Fitnessforpurposerequirementsandappropriateverificationtests-Part3:checkvalves.)
NFP43-017-1989建筑物水管阀门.带法兰可调EA止回阀.一般技术规范(VALVESANDTAPSFORWATERSUPPLYINBULDINGS.CONTROLLABLECHECKVALVESEA,WITHFLANGES.GENERALTECHNICALSPECIFICATIONS.)
NFE29-373-1984工业阀门.止回阀.钢制，单摇板式，带法兰盘,ISO标准压力16，20，25，40，50，100(Industrialvalves.Flangedsteelswingcheckvalves.ISOPNA6,ISOPN20,ISOPN25,ISOPN40,ISOPN50,ISOPN100.)