Material:Ductile iron

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

(2) Effective length:6M by  buly 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-DN1200mm

(6) T-type

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

(8)  Checked by automatic inspection equipment