... TYPE JOINT FLANGE.Pressure Class : 150, 300, 400 , 600 , 900, 1500 , 2500* ASME/ANSI B16.47(SERIES A & B) : WELDING NECK FLANGE ... , SLIPON FLANGE, THREADED FLANGE.Pressure Class :300, 400 , 600 , 900, 1500 , 2500* ASTM/ANSI B16.48:( Figure-8 blanks)Pressure Class :150 ... , 300, 400 , 600 , 900,1500, 2500* MSS SP44 :WELDING NECK FLANGE, BLIND FLANGE.Pressure Class :300 ...