This supplier offers ASME B16.5 weld neck flanges. The flanges are forged from ASTM A105 carbon steel. The size is 6 inch, or DN150. The pressure rating is Class 150 LB, or PN20. The wall thickness is SCH 40. The facing is raised face. These flanges suit standard pressure piping and critical connections. They provide reliable strength and leak-resistant performance in industrial applications.