... Standard Flange, EN1092-1 Flange 3) EN10204 3.1 Certificate Flanges Standard: 1)ANSI B16.5 Class150,300,600,900,1500 ... /H, BS 4504 NP/2, NP/3,NP/4, NP/8 (NP=6,10,16,25,40) Flange5)AS2129 Table D ... Flange6)SABS 1123 NP/2, NP/3, NP/4, NP/8, (NP=600 kpa, 1000kpa,1600kpa, 2500kpa, 4000kp )FlangeMaterial:1.4404 ... ,1.4541/F321, F316Ti/1.4571 Etc F316Ti/1.4571 Flanges