... , MATERIAL:304,316,316L,Q235,#20. pressgure:0.25- 60MPA Forged flanges 1 Certificates: ISO and TUV 2 Standard: ASME, ANSI ... , 304L, 321, Q235, A105 4 OD: 15-1200mm 5 Special design available 6 Stainless steel flange and carbon steel flange 7 ... fittings has a very strong resistance against aging and hygienic. forged flange