Class 150 300, 600, 900, 1500, ANSI ASME B16.5 Forged Carbon Steel A105 Flange

Class 150 300, 600, 900, 1500, ANSI ASME B16.5 Forged Carbon Steel A105 Flange

A circular groove is opened in the middle of the two flanges, the metal ring is placed in, the two flanges are hit hard, and the flange is hard connected.