Flange Best Quality, Best Price Flange standard: American Standard,DIN Standard, JIS Standard Flange American StandardStandard NO.RangePressure ANSI B16.51/2"-24"Class 150,300,600,900,1500,2500ANSI B16.4726"-60"Class 150,300,600,900ASME B16.51/2"-24"Class 150,300,600,900,1500,2500ISO7005-11/2"-24"PN2.0,5.0,11.0,15.0,26.0,42.0BS4504-3.11/2"-24"Class 150,300,600,900,1500,2500JPI 7S-15-931/2"-24" ...