... sewerage pipeline etc2. Product standards:All types of ductile iron pipe fittings produced by us according to ISO2531 BSEN545 ... complies with DIN 16 451:1994.Materials:Steel, cast/ductile iron, stainless steel, concrete, asbestos cement, plastic, GRP and ... plant piping, refinery, chemical plants, steel mills, power plants, steam lines, cooling systems and others.Specs:Designed and manufactured under ...