Products DetailsWenzhou Yuzheng Valve Pipe-Fitting Co.,Ltd is one of the leading China ring joint flangemanufacturers,Website: , welcome to wholesale cheap ring joint flange from our professional factory.Ring Joint FlangeStandard:ASTM , ANSI, DIN, GB, JB/T Wall.Thickness:SCH10-SCH160.Material:Q235,20#,16Mn , ST45.8, 12CrMoV, 15CrMo , 1Cr13,1Cr18Ni9Ti, 0Cr19Ni9,00Cr19Ni11,00Cr17Ni12Mo2, 0.Application:Natural gas , petroleum, chemical industry , electric power , metallurgy , thermodynamic fields, water supply engineering , steam heating , hydroelectric power station and long pipe line transportation projects.Packing:Wooden Cases , Wooden pallet bundle packing , plastic covers at the ends or as per customers requrement.Port:China Port DeliveryTime:According to customer’s requirements or normal delivery.Authentification code:ISO9001:2000/ pressure piping components manufacturer license/API, SQC qualification certification/TUV certification.