reference: ISO/TC 138/SC 4
title: Plastics pipes and fittings for the supply of gaseous fuels
scope: <p>Standardization of pipes, fittings, piping systems and auxiliary equipment intended for the supply of gaseous fuels and made from all types of plastic materials, including all types of reinforced plastics.</p>
  <p>Metal fittings used with plastic pipes are also included.
  This standardization includes - for pipes, flanges, fittings and auxiliary equipment - dimensions and their tolerances, requirements for chemical, mechanical and physical properties and guidance for the assessment of conformity.</p>
  <p>Requirements for resulting joints between pipes and/or fittings for fitness for purpose, including test methods, equipment and codes of practice.</p>
committeeLiaisons: ISO/TC 61
committeeLiaisons: ISO/TC 138/SC 8