scope:

This part of EN 13244 specifies the charateristics of valves or valve bodies made from polyethylene (PE) intended for buried and above-ground pressure systems for water for general purposes, drainage and sewerage. It is also applicable for vacuum sewer systems.It also specifies the test parameters for the test methods referred to in this standard. In conjunction with other Parts of EN 13244 (see Foreword), it is applicable to PE valves, their jounts and to joints with components of other materials intended to be used as follows:- buried in the ground;- sea outfalls;- laid in water;- above-ground, including pipies suspended below bridges; EN 13244 covers a range of maximum operating pressures and gives requirements concerning colours and additives.