Plasson mechanical fittings are design to high performance pipe jointing and a long system life. These high quality fittings are very durable and easy to use. Plasson mechanical fittings are constructed of WRAS approved materials, allowing use on potable water systems. It has been approved by a wide range of European and global agencies for use on potable water systems. The fittings are designed to withstand working pressures of up to 16bar, and also include valves which allow the regulation of flow.For above and below ground use.