... 64" TUV & ISO9001 WN,SW,THD, BL,PL, LJ, Standard ansi flange a105STANDARD: JIS ,ANSI , DIN ,BS4504 ,EN1092, ... ,forged fittingApplications rangsuch as oil, chemical industry, water conservancy, electric power, boiler, machinery, metallurgy, sanitary construction etc.QualityISO9001 : ... welding neck flange, plate flange, pure forged flanges,standard ANSI flange A105 Our factory have much experience for ...