ISO 21051:2020


Existing or new amendments and versions must be purchased separately.



This document specifies the recommended practices and requirements for the installation of buried and above-ground ductile iron pipeline system conforming to ISO 2531, ISO 7186 and ISO 16631. The recommended practices in this document are intended to provide the practical advices based on the best methods of construction and installation of ductile iron pipeline system including pipes, fittings, valves and accessories.

Products specifications

  • Standard from ISO
  • Published:
  • Edition: 1
  • Document type: IS
  • Pages
  • Publisher: ISO
  • Distributor: ISO
  • ICS: 23.040.10
  • International TC: ISO/TC 5/SC 2