Detailed Product Description ductile iron pipe have various shapes:flanged fittings shapeductile iron pipe fittings ,flange,duouble flanged 45 ... PVC flanged socket,flanged spigot.double socket reducer.glbault joint.ductile pipe fittings1, Standards: ISO2531, ISO4422, EN545, EN598, ... Flanged pipe fittings, push-on Tyton socket fittings, ductile iron/PVC fittings,K type bolted gland fittings, AWWA C110 ...