... forged steel flanges, we supply per all foreign standards like ASME, ANSI, MSS, API, AWWA, EN, DIN, BS, NFE, ... SH with all types. The pressure rating is from Class 25LB to Class 2000LB in inch system and from PN0 ... steel. The size range is from 1/2 to 144 in inch system and from DN10 to DN4000 in metric system ... Outlets for pressure equipment or pipeline engineering per ASME and API codes. ANSI FLANGE