ISO 21711:2019


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This document specifies the requirements for the profiles, dimensions, tolerances, materials and inspection of chain wheels for chains on mobile offshore units. Chain wheels meeting the requirements of this document can be used with offshore mooring chains conforming to ISO 20438.

Products specifications

  • Standard from ISO
  • Published:
  • Edition: 1
  • Document type: IS
  • Pages
  • Publisher: ISO
  • Distributor: ISO
  • ICS: 47.020.50
  • International TC: ISO/TC 8/SC 4