
Large Pipe Flanges. Extensive Material Selection: Carbon steel, stainless steel, alloy steel, duplex stainless steel, and nickel-based alloys available. Wide Size Range: Standard sizes from DN15 to DN4000mm, accommodating large diameter pipe flanges. Global Standard Compliance: Meets ANSI, DIN, GB, JIS, GOST, BS, and other international standards. Customization Options: Full customization, minor customization, and drawing-based customization available. Rigorous Quality Control: 100% inspection including UT, MT, PT, PMI, and mechanical property tests. Diverse Sealing Surfaces: Options include RF, flat, annular joint, overlapping joint, and tongue & groove. High Production Capacity: Annual production capacity exceeds 26,000 tons of flanges and forgings.