Hygrade Products Limited 667B Great South Road , Penrose , Auckland 1061 New Zealand About Solutions products Companies Hygrade Products Limited Products Ductile Iron Pipe Fittings Ductile Iron Pipe Fittings 0 Share Australian standard pipe fittings with spigot, socket, and flanged ends. Most popular related searches ductile iron pipe Customer reviews No reviews were found for Ductile Iron Pipe Fittings. Be the first to review! Add your review Publish your review Great! review successfully added!