Ridgisewer Junctions are manufactured in both equal and unequal designs from 400-600mm, with both 45°and 90° junction radii available. They are BBA Approved. Seals must be ordered separately if required. 110mm & 160mm branches are for connection to EN 1401-1 pipes. Some junctions are made to order and subject to lead times. Sizes 750-3000mm are available as Ridgistorm-XL.