The threaded flange manufacturer, the threaded flange standard, the threaded flange is a non-welded flange that processes the inner hole of the flange into a pipe thread and connects it with a threaded pipe. Compared with the flat welding flange or the butt welding flange, the threaded flange has the characteristics of convenient installation and maintenance, and can be used on some pipelines that are not allowed to be welded on site.