... dn80-dn1600mm 2.comply with ISO2531 and EN545 3.T- type centrifugal casting ductile iron pipes according to ... per ISO8179,or 200g/m2 or 400g/m2 with epoxy coating(5) DN80-DN1600mm(6) T-type ... (7) High strength ,lighter than gray iron,good corrosion resistance,no furring,small flow resistance,easy ... 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.(9)Packing: Pipes from DN100 to DN300 be ...