What are the main categories of flange pipe fittings

　　Main classification of flange pipe fittings:

　　1, different diameter pipe type

　　Concentric different diameter pipe eccentric different diameter pipe diameter pipe diameter pipe diameter pipe diameter pipe diameter pipe diameter pipe welding pipe thread pitch screw thread pitch diameter pipe external screw thread pitch high pressure different diameter pipe double bearing different diameter pipe

　　2, flange type

　　Groove flange flange flange flat plug welding neck flange lap welding flange threaded flange

　　Flange blind flange neck flange socket welding flange sanitary flange

　　3, pipe

　　Elbow bent pipe pressure gauge pipe bends U type tube S type tube bending tension bending

　　4, cap type

　　Cap hexagon cap round cap screw cap on welded cap head round head elliptical head conical head no straight edge head blocking plug installed quickly plug stuffy cover blind end cover

　　5, pipe fittings

　　Six Bu Shen stick clamp

　　Water separator tube