API flanges

For forged steel flanges, we supply per all foreign standards like ASME, ANSI, MSS, API, AWWA, EN, DIN, BS, NFE, JIS, JPI, KS, AS, as well as Chinese standards such as GB, JB, HG and SH with all types. The pressure rating is from Class 25LB to Class 2000LB in inch system and from PN0.25MPa to PN40MPa in metric system. The materials of the flange contain carbon steel, alloy steel, stainless steel and high alloy steel. The size range is from 1/2 to 144 in inch system and from DN10 to DN4000 in metric system. We also supply special flanges like Long Welding Neck, Anchor, and Outlets for pressure equipment or pipeline engineering per ASME and API codes.