DIN EN 13244-4 E : 2003

Foreword<br>Introduction <br>1 Scope<br>2 Normative references<br>3 Definitions, symbols and abbreviations<br>4 Material<br>&nbsp;&nbsp;&nbsp;4.1 Compound for PE valve bodies<br>&nbsp;&nbsp;&nbsp;4.2 Material for non-polyethylene parts<br>5 General characteristics<br>&nbsp;&nbsp;&nbsp;5.1 Appearance of the valve<br>&nbsp;&nbsp;&nbsp;5.2 Design<br>&nbsp;&nbsp;&nbsp;5.3 Colour<br>6 Geometrical characteristics<br>&nbsp;&nbsp;&nbsp;6.1 General<br>&nbsp;&nbsp;&nbsp;6.2 Measurement of dimensions<br>&nbsp;&nbsp;&nbsp;6.3 Wall thickness at any point of the PE valve body<br>&nbsp;&nbsp;&nbsp;6.4 Dimensions of spigot ends for valves<br>&nbsp;&nbsp;&nbsp;6.5 Dimensions of valves with electrofusion sockets<br>&nbsp;&nbsp;&nbsp;6.6 Dimensions of the operating cap<br>7 Mechanical characteristics for assembled valves<br>&nbsp;&nbsp;&nbsp;7.1 General<br>&nbsp;&nbsp;&nbsp;7.2 Conditioning<br>&nbsp;&nbsp;&nbsp;7.3 Requirements<br>&nbsp;&nbsp;&nbsp;7.4 Retest in case of failure of hydrostatic strength <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;at 80 degrees C<br>8 Physical characteristics<br>&nbsp;&nbsp;&nbsp;8.1 Conditioning<br>&nbsp;&nbsp;&nbsp;8.2 Requirements<br>9 Performance requirements<br>10 Marking<br>&nbsp;&nbsp;&nbsp;10.1 General<br>&nbsp;&nbsp;&nbsp;10.2 Marking on valves<br>&nbsp;&nbsp;&nbsp;10.3 Marking on a label<br>11 Packaging <br>Bibliography

Provides the characteristics 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.