[国外标准] AWWA C508-2001 供水系统用公称管径2~24英寸(50-600mm)旋启式止回阀
[国外标准] AWWA C507-1999 6~48in(150~1200mm)的球阀
[国外标准] AWWA C504-2006 橡胶密封蝶阀
[国外标准] AWWA C501-1992 铸铁闸阀
[国外标准] AWWA C500-2009 供水系统用金属密封闸阀
[国外标准] AWWA C500-2002 供水系统用金属密封闸阀
[国外标准] AWWA C304-1999 预应力钢筒混凝土管设计标准
[国外标准] AWWA C301-1999 预应力钢筒混凝土管
[国外标准] AWWA C300-2004 水及其他液体用钢制圆柱形加筋混凝土压力管
[国外标准] AWWA C222-1999 钢水管和配件聚氨基甲酸乙酯内或外涂层
[国外标准] AWWA C220-2007 Stainless-Steel Pipe, 12 In. (13 mm) and Larger
[国外标准] AWWA C219-2006 钢水管用特殊部件、连接件和配件的外部用低温磁带涂层
[国外标准] AWWA C218-2002 地面钢制供水管道和配件外部的涂覆
[国外标准] AWWA C218-1999 Coating the Exterior of Aboveground Steel Water Pipelines and Fittings
[国外标准] AWWA C217-1999 供水钢管道专用型钢、连接件和配件外部低温矿脂带和矿脂腊油带包覆层
[国外标准] AWWA C216-1994 给水钢管用专用部件、连接件和配件外部可热收缩交联的聚烯烃涂层
[国外标准] AWWA C214-2000 供水钢管外部胶带包覆系统
[国外标准] AWWA C213-2001 给水钢管的内、外层熔化粘结环氧涂层
[国外标准] AWWA C210-2007 钢质输水管道内外壁用液体环氧涂料体系
[国外标准] AWWA C210-2003 Liquid-Epoxy Coating Systems for the Interior and Exterior of Steel Water Pipelines
[国外标准] AWWA C209-2000 钢水管用特殊部件、连接件和配件的外部用低温磁带涂层
[国外标准] AWWA C208-2007 结构钢制水工业管件
[国外标准] AWWA C208-2001 结构钢制水工业管件
[国外标准] AWWA C207-2007 Steel Pipe Flanges for Waterworks Service
[国外标准] AWWA C207-2001 给水工程用钢制管法兰.4英寸-144英寸(100mm-3600mm)