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CAN/CSA B131.1-M88(R1999)
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CAN/CSA B131.1-M88(R1999)
External Zinc-Coating of Ductile Iron Pipe (Adopted ISO 8179:1985)More info
1. Scope and Field of Application1.1This Standard deals with the external coating of ductile iron pipe at the factory by zinc-coating.1.2This Standard includes specifications for the zinc-coating, application requirements, and coating inspection. Also included are requirements for the finishing layer applied to the zinc- coated surface.1.3Pipe to be coated shall comply with one of the following:ANSI/AWWA C151/A21.51, 1986 Ductile-iron pipe, centrifugally cast in metal molds or sand- lined molds for water or other liquids.ISO 2531, 1986 Ductile iron pipes, fittings and accessories for pressure pipe-lines.