1) The standed: ISO2531-1998, EN545-2006, Class: K8, K9

(2) Effective length: 6M in bulk shipment, 5.7M by 20' or 40' container

(3) Inner surface cement linning according to ISO4179 and outer surface bitumen lining according to ISO8179

(4) Zinc casting: At least 130G/M2 as per ISO8179

(5) DN80-DN2200mm

(6) T-type/K-type

(7) High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life time.