The Screwed flange is referred to as either screwed or threaded only. Such types of flanges are used to connect other threaded components in non-critical applications or low pressure. Screwed Flanges are highly demanded the main reason that it can be fitted to various sizes of the pipes without welding. The screwed flanges connections can be used in highly. pressured application particularly at or near the atmosphere temperature where the post-weld heating treatment is not possible.
