SIST EN 13530-2:2003/A1:2004

Cryogenic vessels - Large transportable vacuum insulated vessels - Part 2: Design, fabrication, inspection and testing

Inner vessel stiffening rings.

Kryo-Behälter - Große ortsbewegliche vakuum-isolierte Behälter - Bemessung, Herstellung und Prüfung

Récipients cryogéniques - Grands récipients transportables isolés sous vide - Partie 2: Conception, fabrication, inspection et essais

Kriogene posode - Velike premične, vakuumsko izolirane posode - 2. del: Načrtovanje, izdelava, nadzor in preskus

General Information

• Status: Published
• Publication Date: 31-Aug-2004
• ICS: 23.020.40 - Cryogenic vessels
• Technical Committee: TLP - Pressure vessels
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Sep-2004
• Due Date: 01-Sep-2004
• Completion Date: 01-Sep-2004
• Directive: 94/55/EC - Transport of dangerous goods by road
• Directive: 96/49/EC - Transport of dangerous goods by rail
• Directive: 96/86/EC - Transport of dangerous goods by road (94/55/EC Dir. amendment)
• Directive: 96/87/EC - Transport of dangerous goods by rail (96/49/EC Dir. amendment)
• Mandate: M/086 - Mandate to CEN for standardization in the field of transport of dangerous goods
• Ref Project: EN 13530-2:2002/A1:2004 - Cryogenic vessels - Large transportable vacuum insulated vessels - Part 2: Design, fabrication, inspection and testing

Relations

• Amends: SIST EN 13530-2:2003 - Cryogenic vessels - Large transportable vacuum insulated vessels - Part 2: Design, fabrication, inspection and testing
• Effective Date: 22-Dec-2008

Overview

SIST EN 13530-2:2003/A1:2004 is a European standard developed by CEN that addresses the design, fabrication, inspection, and testing of large transportable vacuum insulated cryogenic vessels. This standard focuses specifically on inner vessel stiffening rings, which are critical components ensuring the structural integrity and safety of cryogenic vessels used to contain extremely low-temperature liquids under vacuum insulation.

The amendment A1 published in 2004 updates the original 2002 version to refine technical requirements and clarify the conditions for stiffening rings on inner vessels. Compliance with this standard is mandatory for CEN member countries, ensuring harmonized safety and quality across Europe’s cryogenic vessel manufacturing and transport sectors.

Key Topics

• Stiffening Rings Design Requirements
  Reinforcing elements such as stiffening rings are designed to enhance the durability of vacuum insulated cryogenic vessels, particularly inner vessels subjected to mechanical stresses and potential external pressure. The standard specifies:

  • Engineering formulas to calculate moment of inertia and stiffness of stiffening rings relative to the vessel shell.
  • Minimum safety factor (S ≥ 1.3 considered acceptable with proven experience).
  • Mandatory full circumferential extension of stiffening rings welded securely to the vessel shell.
  • Weld quality requirements, including continuous and intermittent weld distributions to withstand buckling forces.

• Structural Calculations and Safety Factors
  The standard includes precise calculation methods for stress and buckling resistance of stiffening rings. It defines parameters such as:

  • Moment of inertia relative to the neutral axis parallel to the shell axis.
  • Length of shell portion supported by the reinforcing element.
  • Allowable pressure conditions defining the external and internal load scenarios on the inner vessel.

• Inspection and Testing Protocols
  Standardized inspection and testing procedures are outlined to verify fabrication quality and ensure vessel safety prior to deployment. This includes weld checks, structural integrity tests, and vacuum insulation performance confirmation.

Applications

SIST EN 13530-2:2003/A1:2004 applies to industries where reliable and safe transport of cryogenic liquids is critical, such as:

• Industrial Gas Supply
  Utilization in storage and transport of gases like liquid nitrogen, oxygen, argon, and hydrogen for manufacturing, medical, and research purposes.

• Energy Sector
  Storage and transport of liquefied natural gas (LNG) and liquid hydrogen in energy generation and fuel supply chains requiring high standards of insulation and structural safety.

• Pharmaceutical and Food Industries
  Transportation of cryogenic fluids used in processes such as freeze-drying and preservation.

The standard supports the design and manufacture of vessels that are both mass-transportable and vacuum insulated, combining mobility with optimal thermal efficiency and mechanical robustness.

Related Standards

• EN 13530-1 – Specifies general requirements for cryogenic vessels, providing a foundation for Part 2’s focus on design specifics such as stiffening rings.
• EN 13458 – Covers cryogenic vessels for stationary and transportable purposes and complements EN 13530-2 by detailing operational safety protocols.
• ISO 21010 – Standard for cryogenic vessels for liquid hydrogen, sharing thematic overlap concerning vacuum insulation and vessel design principles.

Summary

SIST EN 13530-2:2003/A1:2004 is a critical European standard that ensures the structural reliability and safety of large transportable vacuum insulated cryogenic vessels through rigorous design and fabrication rules for inner vessel stiffening rings. It provides engineering guidelines, testing methods, and inspection standards essential for industries handling cryogenic liquids. Compliance facilitates standardized quality, safety, and operational performance across Europe’s cryogenic transport and storage infrastructure.

Keywords: cryogenic vessels, vacuum insulated tanks, stiffening rings, large transportable vessels, cryogenic liquid storage, CEN standards, vessel design, vacuum insulation, structural integrity, fabrication inspection

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2004
.ULRJHQHSRVRGH9HOLNHSUHPLþQHYDNXXPVNRL]ROLUDQHSRVRGHGHO
1DþUWRYDQMHL]GHODYDQDG]RULQSUHVNXV
Cryogenic vessels - Large transportable vacuum insulated vessels - Part 2: Design,
fabrication, inspection and testing
Kryo-Behälter - Große ortsbewegliche vakuum-isolierte Behälter - Bemessung,
Herstellung und Prüfung
Récipients cryogéniques - Grands récipients transportables isolés sous vide - Partie 2:
Conception, fabrication, inspection et essais
Ta slovenski standard je istoveten z: EN 13530-2:2002/A1:2004
ICS:
23.020.40 Proti mrazu odporne posode Cryogenic vessels
(kriogenske posode)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 13530-2:2002/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2004
ICS 23.020.40
English version
Cryogenic vessels - Large transportable vacuum insulated
vessels - Part 2: Design, fabrication, inspection and testing
Récipients cryogéniques - Grands récipients transportables Kryo-Behälter - Große ortsbewegliche, vakuum-isolierte
isolés sous vide - Partie 2: Conception, fabrication, Behälter - Teil 2: Bemessung, Herstellung und Prüfung
inspection et essais
This amendment A1 modifies the European Standard EN 13530-2:2002; it was approved by CEN on 9 January 2004.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this
amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references concerning such
national standards may be obtained on application to the Central Secretariat or to any CEN member.
This amendment 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 Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13530-2:2002/A1:2004: E
worldwide for CEN national Members.

Foreword
This document (EN 13530-2:2002/A1:2004) has been prepared by Technical Comm
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