... " TUV & ISO9001 WN,SW,THD, BL,PL, LJ, Standard ansi flange a105STANDARD: JIS ,ANSI , DIN ,BS4504 ,EN1092, ... ASME , ASTM,,JIS , DIN , EN,MaterialCarbon steel, alloy steel, stainless steel ConnectionButt-welding,forged fittingApplications rangsuch as oil, chemical ... per yearkeywordscarbon steel flange, blind flange, so flange, welding neck flange, plate flange, pure forged flanges,standard ANSI flange ...