... ; Soh type; Plate Flanges; Blind FlangesPressure Class5K10K16K20K30KSIZE:10A-1500A4.BS FLANGESStandard: BS 4504 SEC 3.1 : Welding neck Flanges(111/134), ... (PART-1) PRESSURE GRADE:PN2.5 TO PN40Standard: BS 10 : Welding neck Flanges, Plate Slip-on Flanges, Screwed Boss Flanges, ... , stainless steel and alloy steel flanges standard: ANSI, JIS, BS, DIN, EN,GBsize: 15mm to 3000mm pressure:75bls to 2500bls ...