Cement-mortar lined ductile iron pipe
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Cement-mortar lined ductile iron pipe is a ductile iron pipe with cement lining on the inside surface, and is commonly used for water distribution.
Cement-mortar lined ductile iron pipe is governed by standards set forth by DIPRA (Ductile Iron Pipe Research Association), and was first used in 1922 in Charleston, South Carolina. [1]
Ductile Iron is commonly used in place of cast iron pipe for fluid distribution systems. The purpose of installing a cement/mortar lining to the interior wall of the pipe is to reduce the process of tuberculation inside the pipe network. The cement/mortar lining provides an area of high pH near the pipe wall and provides a barrier between the water and the pipe, reducing its susceptibility to corrosion.[1]
References
edit- ^ a b Bonds, Richard W. (March 2017). "Cement-Mortar Linings for Ductile Iron Pipe" (PDF). Ductile Iron Pipe Research Association. Retrieved 2024-04-23.