The flange member sealingly two machines or installations for bonding a construction member is generally produced as a standard. In fact, the English “flange” word is entered directly into Turkish. General location of the flange piping, although their use is common on machines. Of machine parts used in the interconnection. Installation, the machine can be connected in welded or threaded. In general, to provide a seal between the two flanges, seals are placed according to usage.