Alexander - Slip on Flanges

Slip on flanges have a bore that is fractionally larger than the outside diameter of the pipe to which it is to be fitted. The flange is slipped over the pipe and is then welded on both sides to fit into place. This then enables the pipe to be bolted to an identical assembly to connect both pipes together. Alternatively, the pipe can be blanked off by bolting a blind flange to the slip on.