Uni junctions are provided fitted to pipes from DN300 up to DN 1800 and in order to suit 150mm diameter connections. The junction is produced through inserting a rubber gasket to BS EN 681-1:1996 into the main pipe at the factory, creating a watertight seal for the branch connection.
Visit the Marshalls CPM website for more information on Junctions/Uni Junctions/Tumbling Bays