... :ASME ANSI DIN ... 2.flange size:from DN10 to DN3000 forged flange :Dimension Standard: ANSI B16.5 1/2-24 CLASS ... on, Blind, Welding Neck, Threaded, Lapped, Orifice, Figure 8 Blind, Swivel and etc, we can produce as per buyers special requirements Dimension ... on, Blind, Welding Neck, Threaded, Lapped, Orifice, Figure 8 Blind, Swivel and etc, we can produce as per buyers special requirements... flange