Suitable for gravity drainage and sewerage installations at depths of up to 10m. · To be solvent welded to plain ended pipe leaving a push fit joint. Strong, durable PVCu. Lightweight and easy to work with. Push-fit joint through an innovatively designed seal and snap-cap system. The use of silicone lubricant on all seals facilitates jointing. BS 4660 BS EN 1401-1 1998.