AWWA C210 Liquid-Epoxy Coating Systems for the Interior and Exterior of SteelAWWA Standard AWWA 标准This document ...
标准摘录：2 材料：2.1 表壳： 表壳用含铜量不低于75%的铜合金，经过耐腐蚀处理的含铜量不低于57%的铜合金，或合适的合成聚合物制造。2....
Formally Table 1 Class B Table 2 Class B (Blinds from table 7) AWWA standard steel-ring flanges, Class B* (86 ...
