standard : ASME,ASTM,ANSI,DIN,JIS,API,MSS,AWWA size : 1/2" ~ 80" material : Carbon ... Steel,Stainless Steel.Alloy steel 1. Standard : ASME,ASTM,ANSI,DIN,JIS,API,MSS,AWWA2. Size : 1/2" ~ 80" (Special Design ... Neck,Slip-On,Bind,Long Welding Neck, Orifice, Tube sheet Forged Neck, Spectacle, Bleed ring, Spade, Cap, Main shaft, etc.5 ... 8. Competitive price based on good quality JIS B2220 20K blind flange