Or equipment, first fixed on each flange separately, twoFlangeBolted together, the connection is complete. Some pipe fittings and equipment come with flanges already attached, which also fall under this category.Flange connectionAccording to the connection method, flange types can be categorized as: flat welding flange.Flanged Socket Welding Fitting、Bolted FlangeSocket-weld neck flange, flat-weld neck flange, ring groove face flangeFlange CoverPlease provide the Chinese content to be translated.Blind plateAwaiting