ISO 21711:2019
ISO 21711:2019
Marine structures - Mobile offshore units - Chain wheelsstandard by International Organization for Standardization, 05/01/2019
standard by International Organization for Standardization, 05/01/2019
ISO 21711:2019 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.