• Fittings | SIGMA Corporation

    We offer the highest quality ductile iron waterworks fittings, pipe restraint products, and municipal construction casting products available on the

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  • Fittings | Leemco

    Class 350 ductile iron, AWWA C153; Superior EPDM rubber U-Cup gasket design; Slant bell design – 5 degree pipe deflection; Fusion-bonded epoxy coating on i

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  • Fittings - U.S. Pipe

    Cast Iron pipe were introduced into the United States in 1817. Ductile Iron is a specific type of cast iron in which the free graphite is in the shape of

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