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ISO 21593:2019

Ships and marine technology — Technical requirements for dry-disconnect/connect couplings for bunkering liquefied natural gas ISO 21593:2019

Publication date:   Jul 15, 2019

General information

90.20 Standard under periodical review   Jul 15, 2024

ISO

ISO/TC 8/SC 25

International Standard

47.020.99   Other standards related to shipbuilding and marine structures

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Scope

This document specifies the design, minimum safety, functional and marking requirements, as well as the interface types and dimensions and testing procedures for dry-disconnect/connect couplings for LNG hose bunkering systems intended for use on LNG bunkering ships, tank trucks and shore-based facilities and other bunkering infrastructures. It is not applicable to hydraulically operated quick connect/disconnect couplers (QCDC) used for hard loading arms, which is covered in ISO 16904.
Based on the technology used in industrial manufacturing at the time of development of this document, it is applicable to sizes of couplings ranging from DN 25 to DN 200.

Life cycle

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PUBLISHED
ISO 21593:2019
90.20 Standard under periodical review
Jul 15, 2024