Socket Fittings suppliers DI Socket Fittings with Self-anchoring Joint StandardISO2531, EN545, EN598. RangeDN80-DN1600 Coating: InternalPortland cement mortar lining Sulphate Resistant cement mortar lining High-Aluminum cement mortar lining Fusion bonded epoxy coating Liquid epoxy painting Black bitumen painting ExternalZinc(130g/銕?+bitumen(70microns) painting Fusion bonded epoxy coating Zinc-aluminum alloy (400g/銕?+liquid epoxy painting according to customers' requirements AccessoriesRubber ring (SBR, NBR, EPDM), bolts, nuts and wahsers, restrained glands PackingWooden cases or palletsSocket Fittings suppliers website:http://www.tianyisunspipeline.com/ductile-iron-pipe-fitting/socket-fittings/