UltraRib pipe provides exceptional radial strength from external ribs, whilst remaining lightweight for easy installation
Single socketed 300mm x 3m pipe with SN8 stiffness class
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
Available in 150-300mm diameters, UltraRib can be used up to a depth of 10m