ANSI STANDARD Stainless Steel Flanges Size : 1/2" TO 16" Type : WNRF, SORF, BLRF, Threaded etc Dimension : ASME B 16.5 Material : SS304,SS304L,SS316,SS316L,SS316Ti,SS321 Pressure Rating : 150#, 300#, 600#, 900#, 1500#, 2500# Class DIN STANDARD Stainless Steel Flanges Size : DN 10 to DN 400 Type : Slipon, Weldneck, Blind etc Dimension : DIN2576, DIN2633, DIN2527 etc. Material : SS304, SS304L, SS316, SS316L, SS316Ti, SS321 Pressure Rating : PN10, PN16, PN40, PN64 B.S. STANDARD Stainless Steel Flanges Size : 10 NB to 400 NB Type : Slipon, Weldneck, Blind etc Dimension : BS4504, BS 10 T - D,E,F etc. Material : SS304, SS304L, SS316, SS316L, SS316Ti, SS321 Pressure Rating : PN5, PN10, PN16, etc.