1.Type:Alloy flange 2.Material:Alloy steel 3.Certification:ISO9001:2008,TUV 2010, PED20 Weld Neck Carbon Steel Flange:1.Type:Alloy flange2.Material:Alloy ... 605,6A,6B,MSS Sp44, AWWA S207DINDIN2527,DIN2566,DIN2573,DIN2576,DIN2641,DIN2642,DIN2655,DIN2656,DIN2627-2638,DIN2673 ,DIN86029, ... DN 6000) or as per customers requirement.Face typeFF, RF, LJ, RTJ, TG,T,GCertificateISO9001:2000, TUV ,PEDInspectionin ...