... :ASME ANSI DIN ... 2.flange size:from DN10 to DN3000 slip on flange:Dimension Standard: ANSI B16.5 1/2-24 ... PN2.5-40Material: Carbon Steel, Alloy Steel and Stainless Steel.Type: Flat, Slip on, Blind, Welding Neck, Threaded, Lapped, Orifice, Figure 8 ... PN2.5-40Material: Carbon Steel, Alloy Steel and Stainless Steel.Type: Flat, Slip on, Blind, Welding Neck, Threaded, Lapped, Orifice, Figure 8 ...