ELASTOMERIC UPVC PIPE as per IS: 15328: 2003 with latest amendments
Also Know as PVC-U Pipe or ECO DRAIN PIPE
They are generally brown in colour and are used in Underground Drainage & Sewerage Systems network in Urban Cities and Rural areas are available in Elastomeric Sealing Ring type and Plain Socketed which can be self-fitted using Solvent Cement.
These pipes are manufactured carefully so that the system is absolutely water tight. They are available in different Stiffness and Classes.