Osma UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. For foul and surface water drainage for adoptable and non adoptable situations requiring a high stiffness classification Short radius 45° bend with push-fit ring seal sockets at both ends The smooth interchange between pipe and fittings gives improved hydraulic flow Osma UltraRib joints are made be placing the sealing ring between the second and third external reinforcing ribs nearest the spigot end of the pipe, which is then inserted into a socket No need to chamfer pipe when jointing & ring displacement is impossible during installation SN8 stiffness class BBA approved Available in 150-300mm diameters, UltraRib can be used up to a depth of 10m Suitable for foul and surface water drainage

Brand Name	UltraRib