... Flange, Spectacle Blind,Etc.StandardANSI, ASME ,MSS, API, DIN, JIS, BS. and GBClassANSI 150LBS-2500LBS,DIN PN6-PN160BS PN0.25-PN25 ... 20 countries, such as America, Europe, Southeast Asia, etc.. ANSI Flanges* ASME/ANSI B16.5 : WELDING NECK FLANGE, SLIP-ON FLANGE ... , 150, 300, 400 , 600 , 900* ASME/ANSI B16.36 : (ORIFICE FLANGES) WELDING NECK FLANGE, SLIPON FLANGE, THREADED FLANGE.Pressure Class :300 ...