AWWA C906:2007
AWWA C906:2007 Polyethylene (Pe) Pressure Pipe And Fittings, 4 In. (100 Mm) Through 63 In. (1,600 Mm), For Water Distribution And Transmission Describes polyethylene (PE) pressure pipe made from materials conforming to standard PE code designations PE 2406, PE 3406, and PE 3408. Also specifies 10 dimension ratios (DRs) for nominal pipe sizes