ALFA SPECIAL is a joint for connection between the flange and the end of the specific pipe in case when, because of leakage on the connection, existing E-piece has been removed and a new one is needed to be installed in conditions when both the pipe and the flange are fixed and there is limited space for installation.
For installing ALFA SPECIAL joint it should be provided not more than 50-60 mm between the flange and the end of the pipe in order to insert parts of the joint and make the connection.