For use in safe, industry compliant gas and potable water installations. Intas Universal Gas Ball Valves range from 15, 22 & 28mm and are WRAS approved, which makes them suitable for use on potable water systems. Each of the valves come with red, yellow and blue leever sleeves which mean the installer can indicate the use of the valve depending on the installation. This product meet the requirements of BS EN 331:1998+A1:2010.