... Neck Flange, Slip on Flange, Threaded Flange, Socket Welding Flange, Blind FlangePressure GradeANSI flangeClass150,Class300,Class600,Class900,Class1500,Class2500DIN6Bar, 10Bar, 16Bar, 25Bar, 40BarB.S. flangePN2 ... , DIN2673 B.S. flangeBS 4504 SEC 3.1: WELDING NECK FLANGE(111/134), HUBBED SLIP ON FLANGE(112), HUBBED THREADED FLANGE(113), LAPPED PIPE ...