Large flat welding flange _ Hebei Cathay _ large mounds supply welded flange provided by Hebei Cathay. Large flat welding flange, Hebei Cathay Pacific, Hebei production of large welded flange Cathay Pacific Pipeline Equipment Co., Ltd. Hebei (www.hbgtgd.com) 2014 upgrade been newly launched (Flange), also known as the flange of the flange plate. Flanges are interconnected between the tube and pipe parts for connection between the pipe ends; equipment import and export is also useful in Cangzhou flange on the sale of large welded flange for connection between the two devices, If reducer flange. Flange connection or flange joints, is defined by the flanges, gaskets and bolts to connect to each other as a combination of removable sealing structure connection. Pipe flange means the plumbing fixtures in the piping flanges welded flange large mounds supply, with the flange on the import and export of equipment means equipment. There are holes on the flange bolts so that the two flange abuts. Between flange sealing gasket. Flange screw connection points (threaded connection) flange, welding flange and clip flange. Socket Welding Flange socket weld flange sealing surfaces in the form of: raised face (RF), convex surface (MFM), tongue and groove (TG), ring joint face (RJ) Material: Carbon Steel (Carbon Steel): ASTM A105, 20 #, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46 large flat welding flange manufacturers, F48, F50, F52, F56, F60, F65, F70;