ISO 24132:2024

Ships and marine technology — Design and testing of marine transfer arms for liquefied hydrogen

ISO 24132:2024

Name:ISO 24132:2024   Standard name:Ships and marine technology — Design and testing of marine transfer arms for liquefied hydrogen
Standard number:ISO 24132:2024   language:English language
Release Date:26-Jun-2024   technical committee:ISO/TC 8/SC 2 - Marine environment protection
Drafting committee:ISO/TC 8/SC 2/WG 12 - Marine liquefied hydrogen transfer arms   ICS number:47.020.01 - General standards related to shipbuilding and marine structures

International
Standard
ISO 24132
First edition
Ships and marine technology —
2024-06
Design and testing of marine
transfer arms for liquefied
hydrogen
Navires et technologie maritime — Conception et essais des bras
de transfert marins pour l'hydrogène liquéfié
Reference number
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
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Email: [email protected]
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Published in Switzerland
ii
Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Abbreviated terms . 9
5 Design of the arms . 10
5.1 Definition and description of the arms .10
5.1.1 General .10
5.1.2 Arms dimensions .11
5.2 Design basis.11
5.2.1 Product line diameter and product data .11
5.2.2 Material and grades .11
5.2.3 Stress analysis .11
5.2.4 Thermal analysis . 13
5.3 Swivel joints . 13
5.3.1 General . 13
5.3.2 Product sealing arrangement .14
5.3.3 Bearing system .14
5.3.4 External sealing arrangement.14
5.3.5 Design . .14
5.4 Structural bearings . 15
5.4.1 Design . 15
5.4.2 Protection of structural bearings .16
5.4.3 Grease sampling point .16
5.5 Accessories .16
5.5.1 Adjustable support (jack) .16
5.5.2 Product purge gases injection line .16
5.5.3 Stowing locking device .16
5.5.4 Ladders and platforms .17
5.5.5 Vapour recovery lines .17
5.5.6 Liquid nitrogen line .17
5.5.7 Ice fall protection .17
5.5.8 Process connections .17
5.5.9 Drain connection .17
5.5.10 Vacuum insulation .17
5.6 Welding . .18
5.7 Corrosion protection and embrittlement protection .18
5.7.1 Corrosion protection .18
5.7.2 Embrittlement protection .18
5.8 Maintenance .18
6 Safety systems . 19
6.1 General .19
6.2 Two stage alarm and shutdown system .19
6.2.1 First stage .19
6.2.2 Second stage .19
6.3 M onitoring and alarm systems . 20
6.3.1 Alarm envelopes . 20
6.3.2 Arm positioning alarms system . 20
6.3.3 Arm constant position monitoring system (CPMS) . 20
6.3.4 Pressure and hydraulic level alarm . 20
6.4 ERS . 20
6.4.1 General . 20

iii
6.4.2 Design of the ERS .21
6.4.3 Safety devices on the ERS . .21
6.5 Safety devices . 22
6.5.1 Fire safety requirements . 22
6.5.2 Electrical safety requirements . 22
6.5.3 Failure of power supply . 23
6.5.4 Stray current protectors . 23
6.5.5 Bonding . 23
6.5.6 Safety for liquid oxygen. 23
7 Connection with the ship .24
7.1 General .24
7.2 Design of QCDC .24
7.3 QCDC system .24
7.4 Flange cover . 25
8 Hydraulic and electric control systems .25
8.1 General .
...

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