... ,WN,PL,BL,SW 2. Standard :ANSI,ASME,ASTM 3. Size:3/8"-96" High quality carbon steel forged flange ... Manufacturer 1. Types:SO,WN,PL,BL,SW 2. Standard :ANSI, ... Types:a) Forged steel flanges b) Plate cutting flanges 2 Metarial: CS AS SS 3. Size: Size:3/ ... PN2.5Mpa 5. Standard:a) ISO9000-2008b) Customers' drawings for special use 6. Types we can supply: WN, SO ...