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BS EN 1626:2008

Current
Current

The latest, up-to-date edition.

Cryogenic vessels. Valves for cryogenic service
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-02-2009

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Testing
6 Cleanliness
7 Marking
Annex A (informative) - Recommended methods for leak
        tightness testing of cryogenic valves
Annex ZA (informative) - Relationship between this
         European Standard and the Essential Requirements
         of EC Directive 97/23/EC (PED)

Describes the requirements for the design, manufacture and testing of valves for cryogenic service, i.e. for operation with cryogenic fluids below -10 degrees C as well as at ambient conditions to allow for start-up and run-down.

This European Standard specifies the requirements for the design, manufacture and testing of valves for cryogenic service, i.e. for operation with cryogenic fluids (as defined in EN 1251-1) below - 10 °C as well as at ambient conditions to allow for start-up and run-down. It specifies additional requirements for cryogenic service for the appropriate valve product standard. NOTE a cryogenic fluid (refrigerated liquefied gas) is a gas which is partially liquid because of its low temperature (including totally evaporated liquids and supercritical fluids). It applies to sizes up to DN 150 including vacuum jacketed cryogenic valves. This European Standard is not applicable to safety valves and valves for liquefied natural gas (LNG). It is intended that the valve be designed and tested to satisfy a pressure rating (PN or Class). Valves may then be selected with a PN or Class equal to or greater than the maximum allowable pressure (PS) of the equipment with which it is to be used.

Committee
PVE/18
DevelopmentNote
Supersedes 94/710139 DC. (09/2005) Supersedes 07/30158957 DC. (02/2009)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
NBN EN 1626 : 2009 Identical
EN 1626:2008 Identical
NF EN 1626 : 2008 Identical
UNI EN 1626 : 2009 Identical
SN EN 1626 : 2009 Identical
UNE-EN 1626:2009 Identical
NS EN 1626 : 2ED 2008 Identical
DIN EN 1626:2009-01 Identical
I.S. EN 1626:2008 Identical
NEN EN 1626 : 2008 Identical

EN 1759-1:2004 Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24
EN 1252-1:1998/AC:1998 CRYOGENIC VESSELS - MATERIALS - PART 1: TOUGHNESS REQUIREMENTS FOR TEMPERATURES BELOW -80 DEGREE C
EN 12266-2:2012 Industrial valves - Testing of metallic valves - Part 2: Tests, test procedures and acceptance criteria - Supplementary requirements
EN 12516-1:2014 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells
EN 12516-4:2014 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
ISO 6708:1995 Pipework components Definition and selection of DN (nominal size)
EN 736-2:2016 Valves - Terminology - Part 2: Definition of components of valves
EN 1797:2001 Cryogenic vessels - Gas/material compatibility
EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
EN 12266-1:2012 Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements
EN 12300 : 1998 AMD 1 2006 CRYOGENIC VESSELS - CLEANLINESS FOR CRYOGENIC SERVICE
EN 1333:2006 Flanges and their joints - Pipework components - Definition and selection of PN
EN 12516-2:2014 Industrial valves - Shell design strength - Part 2: Calculation method for steel valve shells
EN 19:2016 Industrial valves - Marking of metallic valves
EN 1251-1:2000 Cryogenic vessels - Transportable vacuum insulated vessels of not more than 1000 litres volume - Part 1: Fundamental requirements
EN 736-3:2008 Valves - Terminology - Part 3: Definition of terms
1997/23/EC : 1997 DIRECTIVE 97/23/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 29 MAY 1997 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING PRESSURE EQUIPMENT

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