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EN ISO 21593:2019

(Main)

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

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

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.

Schiff- und Meerestechnik - Technische Anforderungen an Trockenkupplungen für das Bunkern flüssigerdgasbetriebener Schiffe (ISO 21593:2019)

Dieses Dokument legt Anforderungen für Konstruktion, minimale Sicherheit, für Funktion und Kennzeichnung, sowie Schnittstellentypen und Maße und Prüfverfahren für LNG Trockenkupplungen fest, die LNG Schlauchbunkersystemen dienen und für LNG Bunkerschiffe, Tanklastwagen und land-basierte Anlagen und andere Bunkerinfrastrukturen bestimmt sind. Es ist nicht anwendbar auf hydraulisch betätigte Schnellkupplungen (QCDC, en: Quick Connect/Disconnect Coupler), die für feste Verladearme Verwendung finden und in ISO 16904 abgedeckt sind.
Basierend auf der Technologie, die zum Zeitpunkt der Erstellung dieses Dokuments in der industriellen Fertigung verwendet wurde, ist es für Kupplungsgrößen von DN 25 bis DN 200 anwendbar.

Navires et technologie maritime - Exigences techniques relatives au couplage de connexion et de déconnexion à sec pour le soutage de gaz naturel liquéfié (ISO 21593:2019)

Ce document spécifie les exigences de conception, de sécurité minimale, de fonctionnement et de marquage, ainsi que les types et dimensions d'interface et les procédures d'essai applicables au couplage de connexion/déconnexion à sec de GNL utilisé pour un système de soutage de GNL par flexible, destiné à être utilisé sur un navire de soutage de GNL, un camion-citerne, une installation terrestre et les autres infrastructures de soutage. Il ne s'applique pas aux coupleurs de connexion et de déconnexion rapide à commande hydraulique (QCDC) utilisés pour un bras de chargement rigide, lesquels sont couverts par l'ISO 16904.
Compte tenu de la technologie actuelle de production industrielle au moment de l'élaboration de ce document, il est applicable aux tailles de coupleurs comprise entre DN25 et DN200.

Ladijska in pristaniška tehnologija - Tehnične zahteve za suhe spoje za priklop in odklop pri polnjenju plovil na utekočinjeni zemeljski plin (ISO 21593:2019)

Ta tehnični standard določa zahteve glede projektiranja, minimalne varnosti, delovanja in označevanja ter tudi vrste vmesnikov in mere ter preskusne postopke za suhe spoje za priklop in odklop pri cevnih sistemih za polnjenje utekočinjenega zemeljskega plina (LNG), namenjenih za uporabo na plovilih na utekočinjeni zemeljski plin, tovornjakih s cisternami ter priobalnih sistemih in drugih infrastrukturah za polnjenje. Ne uporablja se za hidravlično upravljane hitre spojke (QCDC), ki se uporabljajo za trdne prenosne roke, obravnavane v standardu ISO 16904. Na podlagi tehnologije, uporabljane pri industrijski proizvodnji v času priprave tega dokumenta, se uporablja za vse velikosti spojk od DN 25 do DN 200.

General Information

Status
Published
Publication Date
03-Sep-2019
Withdrawal Date
30-Mar-2020
ICS
47.020.99 - Other standards related to shipbuilding and marine structures
Technical Committee
CEN/TC 282 - Installation and equipment for LNG
Drafting Committee
CEN/TC 282 - Installation and equipment for LNG
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
04-Sep-2019
Due Date
18-Nov-2019
Completion Date
04-Sep-2019
Directive
2014/94/EU - Directive 2014/94/EU of The European Parliament and of The Council of 22 October 2014 on the deployment of alternative fuels infrastructure
Mandate
M/533 - [C(2015)1330] Standardisation request addressed to CEN, CENELEC and ETSI in support of the implementation of the Directive 2014/94/EU on the deployment of alternative fuels infrastructure
Ref Project
SIST EN ISO 21593:2020 - Ship and marine technology - Technical requirements for dry-disconnect/connect couplings for bunkering liquefied natural gas (ISO 21593:2019)

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SLOVENSKI STANDARD
01-januar-2020
Ladijska in pristaniška tehnologija - Tehnične zahteve za suhe spoje za priklop in
odklop pri polnjenju plovil na utekočinjeni zemeljski plin (ISO 21593:2019)
Ship and marine technology - Technical requirements for dry-disconnect/connect
couplings for bunkering liquefied natural gas (ISO 21593:2019)
Schiff- und Meerestechnik- Trockene Anschluss- und Trennkupplung(en) für das
Bunkern flüssigerdgasbetriebener Schiffe (ISO 21593:2019)
Navires et technologie maritime - Exigences techniques relatives au couplage de
connexion et de déconnexion à sec pour le soutage de gaz naturel liquéfié (ISO
21593:2019)
Ta slovenski standard je istoveten z: EN ISO 21593:2019
ICS:
47.020.99 Drugi standardi v zvezi z Other standards related to
ladjedelništvom in shipbuilding and marine
konstrukcijami na morju structures
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 21593
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2019
EUROPÄISCHE NORM
ICS 47.020.99
English Version
Ship and marine technology - Technical requirements for
dry-disconnect/connect couplings for bunkering liquefied
natural gas (ISO 21593:2019)
Navires et technologie maritime - Exigences techniques Schiff- und Meerestechnik- Trockene Anschluss- und
relatives au couplage de connexion et de déconnexion à Trennkupplung(en) für das Bunkern
sec pour le soutage de gaz naturel liquéfié (ISO flüssigerdgasbetriebener Schiffe (ISO 21593:2019)
21593:2019)
This European Standard was approved by CEN on 19 January 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 21593:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 21593:2019) has been prepared by Technical Committee ISO/TC 8 "Ships and
marine technology" in collaboration with Technical Committee CEN/TC 282 “Installation and
equipment for LNG” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2020, and conflicting national standards shall
be withdrawn at the latest by March 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 21593:2019 has been approved by CEN as EN ISO 21593:2019 without any modification.

INTERNATIONAL ISO
STANDARD 21593
First edition
2019-07
Ships and marine technology —
Technical requirements for dry-
disconnect/connect couplings for
bunkering liquefied natural gas
Navires et technologie maritime — Exigences techniques relatives au
couplage de connexion et de déconnexion à sec pour le soutage de gaz
naturel liquéfié
Reference number
ISO 21593:2019(E)
©
ISO 2019
ISO 21593:2019(E)
© ISO 2019
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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

ISO 21593:2019(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General requirements . 3
4.1 General . 3
4.2 Basic design principle . 3
4.3 Design parameters . 4
4.4 Functional requirements . 5
4.5 Internal valve . 5
4.6 Protective cap/plug . 6
4.7 Handle. 6
5 Materials . 6
5.1 General . 6
5.2 Body of coupling . 6
5.3 Bolting . 6
5.4 Spring . 6
5.5 Seals . 6
5.6 Welding . 6
6 Interface types and dimensions . 6
7 Marking . 9
8 Testing . 9
8.1 General . 9
8.2 Ambient test conditions .10
8.3 Cryogenic test conditions .10
8.4 Test arrangement .11
8.5 Shell tightness at ambient temperature .12
8.6 Shell strength at ambient temperature .12
8.7 Internal valve tightness at ambient temperature .12
8.8 Internal valve strength at ambient temperature .13
8.9 Shell tightness at minimum working temperature .13
8.10 Internal valve tightness at minimum working temperature .13
8.11 Operation test at minimum working temperature .14
8.12 Electrical conductivity .14
8.13 Manual force at cold conditions under frost .14
8.14 Bending test .14
8.15 Drop test .15
8.16 Endurance test .15
8.17 High-pressure test .16
Bibliography .17
ISO 21593:2019(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technic
...

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