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ISO 23055:2020

Ships and marine technology — Design requirements for international ballast water transfer connection flange ISO 23055:2020

Publication date:   Jan 31, 2020

General information

90.93   Standard confirmed   Jun 23, 2026

ISO

ISO/TC 8/SC 3 Piping and machinery

International Standard

47.020.30   Piping systems

Buying

Published

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Scope

This document specifies the material requirements and dimensions of an international flange for the transfer of ballast water between a ship and a shore reception facility, or between ships.
It does not address any reconfiguration of the ship's ballast water piping system necessary to connect to the shore-side, e.g. construction of piping from the ship lower machinery levels to the main deck transfer area.

Life cycle

NOW

PUBLISHED
ISO 23055:2020
90.93 Standard confirmed
Jun 23, 2026




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