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  • EN 13648-1:2008

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    Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service

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    Published date:  19-11-2008

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Requirements
      4.1 General
      4.2 Design
          4.2.1 Design temperature
          4.2.2 Drainage
          4.2.3 Stem guiding
          4.2.4 Inserts
          4.2.5 Sublimating cryogens
      4.3 Materials
          4.3.1 General
          4.3.2 Metallic materials
          4.3.3 Corrosion resistance
          4.3.4 Oxygen compatibility
          4.3.5 Acetylene compatibility
          4.3.6 Non-metallic materials
    5 Testing
      5.1 Production testing
      5.2 Type testing for cryogenic service
          5.2.1 General
          5.2.2 Seat leakage test
          5.2.3 Cryogenic tests
    6 Determination of the certified derated coefficient of
      discharge (K[dr])
    7 Cleanliness
    8 Marking
    Annex ZA (informative) Relationship between this European
             Standard and the Essential Requirements of EC
             Directive 97/23/EC (PED)
    Bibliography

    Abstract - (Show below) - (Hide below)

    This European Standard specifies the requirements for the design, manufacture and testing of safety valves for cryogenic service, that is to say for operation with cryogenic fluids (as defined in EN 1251-1) below – 10 °C in addition to operation at ambient temperature. It is a requirement of this European Standard that the valves comply with EN ISO 4126 1 or EN ISO 4126-4. In the event of different requirements, the requirements for cryogenic service shall be applied.NOTE 1A cryogenic fluid (refrigerated liquefied gas) is a gas which is partially liquid because of its low temperature (including totally evaporated liquids and supercritical fluids).This European Standard is restricted to valves not exceeding a size of DN 100 for category B. The valves of category A are limited to DN 25 and set pressures up to 40 bars. Both categories are designed to relieve single phase vapours or gases. A valve can be specified, constructed and tested such that it is suitable for use with more than one gas or with mixtures of gases.NOTE 2All safety valves covered in this European Standard correspond to category IV of PED (Directive 97/23/EC) and category 3 of TPED (Directive 99/36/EC).NOTE 3This European Standard does not provide methods for determining the capacity of relief valve(s) for a particular cryogenic vessel. Such methods are provided in EN 13648 3.

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    Committee CEN/TC 268
    Development Note Supersedes PREN 13648-1 (10/2005)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    ISO/TS 19880-1:2016 Gaseous hydrogen Fuelling stations Part 1: General requirements
    DIN EN 14197-2:2006-11 CRYOGENIC VESSELS - STATIC NON-VACUUM INSULATED VESSELS - PART 2: DESIGN, FABRICATION, INSPECTION AND TESTING
    DIN EN 14398-1:2004-01 Cryogenic vessels - Large transportable non-vacuum insulated vessels - Part 1: Fundamental requirements
    EN 13458-2:2002/AC:2006 CRYOGENIC VESSELS - STATIC VACUUM INSULATED VESSELS - PART 2: DESIGN, FABRICATION, INSPECTION AND TESTING
    BS EN 14197-2 : 2003 CRYOGENIC VESSELS - STATIC NON-VACUUM INSULATED VESSELS - PART 2: DESIGN, FABRICATION, INSPECTION AND TESTING
    ISO/TS 20100:2008 Gaseous hydrogen Fuelling stations
    DIN EN 14197-1:2003-11 CRYOGENIC VESSELS - STATIC NON-VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS
    18/30359998 DC : 0 BS ISO 19880-1 - GASEOUS HYDROGEN - FUELLING STATIONS - PART 1: GENERAL REQUIREMENTS
    BS EN 14398-1:2003 CRYOGENIC VESSELS - LARGE TRANSPORTABLE NON-VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS
    11/30211394 DC : DRAFT MAR 2011 BS ISO 20100 - GASEOUS HYDROGEN - FUELLING STATIONS
    BS EN 13458-2:2002 Cryogenic vessels. Static vacuum insulated vessels Design, fabrication, inspection and testing
    BS EN 14197-1:2003 CRYOGENIC VESSELS - STATIC NON-VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS
    EN 14197-1 : 2003 CRYOGENIC VESSELS - STATIC NON-VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS
    EN 14398-1 : 2003 CRYOGENIC VESSELS - LARGE TRANSPORTABLE NON-VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS
    EN 14197-2:2003/AC:2006 CRYOGENIC VESSELS - STATIC NON-VACUUM INSULATED VESSELS - PART 2: DESIGN, FABRICATION, INSPECTION AND TESTING
    DD ISO/TS 20100:2008 Gaseous hydrogen. Fuelling stations

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 1252-2 : 2001 CRYOGENIC VESSELS - MATERIALS - PART 2: TOUGHNESS REQUIREMENTS FOR TEMPERATURES BETWEEN -80 DEGREE C AND -20 DEGREE C
    EN 13458-1 : 2002 CRYOGENIC VESSELS - STATIC VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS
    ISO 4126-1:2013 Safety devices for protection against excessive pressure Part 1: Safety valves
    EN 1252-1:1998/AC:1998 CRYOGENIC VESSELS - MATERIALS - PART 1: TOUGHNESS REQUIREMENTS FOR TEMPERATURES BELOW -80 DEGREE C
    ISO 6708:1995 Pipework components Definition and selection of DN (nominal size)
    EN 1797 : 2001 CRYOGENIC VESSELS - GAS/MATERIAL COMPATIBILITY
    ISO 4126-4:2013 Safety devices for protection against excessive pressure Part 4: Pilot operated safety valves
    EN ISO 6708 : 1995 PIPEWORK COMPONENTS - DEFINITION AND SELECTION OF DN (NOMINAL SIZE)
    EN 12300 : 1998 AMD 1 2006 CRYOGENIC VESSELS - CLEANLINESS FOR CRYOGENIC SERVICE
    EN ISO 4126-4:2013 Safety devices for protection against excessive pressure - Part 4: Pilot-operated safety valves (ISO 4126-4:2013)
    EN 13530-1 : 2002 CRYOGENIC VESSELS - LARGE TRANSPORTABLE VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS
    EN 13648-3 : 2002 CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 3: DETERMINATION OF REQUIRED DISCHARGE - CAPACITY AND SIZING
    EN 1251-1 : 2000 CRYOGENIC VESSELS - TRANSPORTABLE VACUUM INSULATED VESSELS OF NOT MORE THAN 1000 LITRES VOLUME - PART 1: FUNDAMENTAL REQUIREMENTS
    EN ISO 4126-1:2013/A1:2016 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES (ISO 4126-1:2013/AMD 1:2016)
    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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