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The Ductile Iron Pipe Research Association (DIPRA) and its member companies are always improving the products and services they provide to the water and wastewater industry – especially the long service life municipalities have come to expect from their Ductile iron pipelines. Polyethylene encasement is the most popular, economic and successful method of corrosion control for Ductile iron pipe. Since its first installation in a water system in 1958, it has been used to protect hundreds of millions of feet of cast and Ductile iron pipe in aggressive environments.

V-Bio® enhanced polyethylene encasement expands on this protection by specifically addressing the potential influence of anaerobic bacteria and inhibiting the formation of corrosion cells under the wrap.