standard stainless steel flange flange ,ASTM ,JIS,DIN,UIN,etc. flange,GAL flange,competitive price flange,ISO,KS standard stainless steel flange1.ISO 9001-2000 2. ... , Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange, Spectacle Blind,Etc.StandardANSI, ASME ,MSS, API, DIN, JIS, BS. AWWA and GBClassANSI 150LBS ...