ASTM A182 F55 Weld Neck Flange Factory produces high-quality weld neck flanges designed in accordance with ASME B16.5 standards. These flanges feature a DN15 size (1/2 inch) and a Class 600 LB pressure rating, making them suitable for high-pressure applications. With a wall thickness of SCH 80 and a raised face design, they ensure secure and reliable connections.