Iron pipe: 1.DN80-1600mm 2.T type joint 3.Cement mortar lining,Zinc coat,bitumen layer 4. ... :K9,K10,K11,K12;(2) Effective length:6M for bulk shipment, 5.7M for 20' or 40' container shipment;(3) Inner surface ... per ISO8179;(5) Size rang DN80-DN1600mm for main and branch pipeline.(6) T-type joint for easy connection.(7) High strength,lighter ...