stainless steel flange fittings 1,Standard:ASME,ANSI,JIS,GB,DIN,etc. 2,Material:stainless steel 3,Size:DN15-5000mm stainless steel flange fittings1. Type ... Orifice Flanges and Non-Standard flanges 2. Material: stainless steel and carbon steel flange3. Standard: ASME, DIN, BS, JIS, JB, GB,4 ...