DIN EN 13244-3 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 PE compound<br>&nbsp;&nbsp;&nbsp;4.2 Material for non-polyethylene parts<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.2.1 General<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.2.2 Metal parts<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.2.3 Elastomers<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.2.4 Other materials<br>5 General characteristics<br>&nbsp;&nbsp;&nbsp;5.1 Appearance<br>&nbsp;&nbsp;&nbsp;5.2 Design<br>&nbsp;&nbsp;&nbsp;5.3 Colour<br>&nbsp;&nbsp;&nbsp;5.4 Electrical characteristics for electrofusion <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fittings<br>&nbsp;&nbsp;&nbsp;5.5 Appearance of factory made joints<br>6 Geometrical characteristics<br>&nbsp;&nbsp;&nbsp;6.1 Measurement of dimensions<br>&nbsp;&nbsp;&nbsp;6.2 Dimensions of electrofusion sockets<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.2.1 Diameters and lengths of electrofusion <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sockets<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.2.2 Wall thicknesses<br>&nbsp;&nbsp;&nbsp;6.3 Dimensions of spigotted fittings<br>&nbsp;&nbsp;&nbsp;6.4 Dimensions of socket fusion fittings<br>&nbsp;&nbsp;&nbsp;6.5 Socketed pipe<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.5.1 Dimensions and tolerances of the socket <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and length of spigot end<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.5.2 Equations for calculating the dimensions <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of sockets of non-end-load-resistant fittings <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for use with pipes up to 6 m lengths<br>&nbsp;&nbsp;&nbsp;6.6 Dimensions of mechanical fittings<br>&nbsp;&nbsp;&nbsp;6.7 Dimensions of loose backing flanges and flange <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;adapters<br>7 Mechanical characteristics<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 at 80 degrees C<br>&nbsp;&nbsp;&nbsp;7.5 Pressure drop<br>8 Physical characteristics<br>&nbsp;&nbsp;&nbsp;8.1 Conditioning<br>&nbsp;&nbsp;&nbsp;8.2 Requirements<br>9 Chemical characteristics of fittings in contact with <br>&nbsp;&nbsp;&nbsp;chemicals<br>10 Sealing rings<br>11 Performance requirements<br>12 Marking<br>&nbsp;&nbsp;&nbsp;12.1 General<br>&nbsp;&nbsp;&nbsp;12.2 Minimum required marking of fittings<br>&nbsp;&nbsp;&nbsp;12.3 Minimum required marking on a label<br>&nbsp;&nbsp;&nbsp;12.4 Fusion system recognition<br>13 Packaging<br>Annex A (normative) Socket fusion fittings<br>Annex B (informative) Examples of typical terminal <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connection for electrofusion fittings<br>Bibliography