... Material: stainless steel 304 316 304 Liugong flange sleeve for loader grader excavator flange 1. for loaders, excavators, grader flanges. ... Q345, etc 3. China's steel pipe flange GB national standard system Nominal pressure: 0.25 Mpa to 42.0 Mpa ... 24 million dollars.Our Main Products Construction machinery buckets, Liugong loader, excavator buckets, bucket tooth, blade for buckets, end bits, rockers ...