... 2)service:OEM 3)certificate:ISO9001:2000,QS-2000 4)standard:DIN,ASME,API THREAD FLANGE specifications Forged Steel ... : 150, 300, 400 , 600 , 900, 1500 , 2500(2).ASME/ANSI B16.47(SERIES A & B) : WELDING ... Class :300, 400 , 600 , 900, 1500 , 2500(4).ASTM/ANSI B16.48:( Figure-8 blanks)Pressure Class :150 ... , 300, 400 , 600 , 900,1500, 2500(5).MSS SP44 :WELDING NECK FLANGE, BLIND FLANGE.Pressure ...