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Source: Ductile Iron Pipe Research Association (DIPRA)
From its inception more than 80 years ago, the Ductile Iron Pipe Research Association (DIPRA) has provided accurate, reliable engineering information about cast iron - and now Ductile Iron - pipe to a wide variety of utility and consulting engineers.
Today, the association provides numerous services, including the Regional Engineer Program, a variety of brochures and publications, representation on standars making committees, and technical research on topics such as corrosion, corrosion protection and the design of Ductile Iron pipe.
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