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PREN 13648-1 : DRAFT 1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES FOR CRYOGENIC SERVICE

Superseded date

01-05-2002

Published date

12-01-2013

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Foreword
1 Scope
2 Normative references
3 Definitions and symbols
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 5
      4.2.5 Sublimating cryogens
  4.3 Materials
      4.3.1 Metallic materials
      4.3.2 Corrosion resistance
      4.3.3 Oxygen compatibility
      4.3.4 Acetylene compatibility
      4.3.5 Non-metallic materials
5 Testing
  5.1 Production testing
  5.2 Sample valve test
      5.2.1 Operating and flow characteristics test
      5.2.2 Test of the repeatability of leak tightness at
            re-seat
      5.2.3 Cryogenic tests
6 Determination of the certified derated coefficient of
  discharge (K[dr])
7 Cleanliness
8 Marking
9 Sealing
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other
         provisions of EU directives

Specifies the requirements for the design, manufacture and testing of safety valves for cryogenic service, that is, for operation with cryogenic fluids below -10 degree C in addition to operation at ambient temperature.

Committee
TC 268
DocumentType
Draft
PublisherName
Comite Europeen de Normalisation
Status
Superseded

Standards Relationship
DIN EN 13648-1:2009-02 Identical
99/709737 DC : DRAFT JUNE 1999 Identical
07/30158960 DC : 0 Identical

EN 13530-1:2002 Cryogenic vessels - Large transportable vacuum insulated vessels - Part 1: Fundamental requirements
UNI EN 13458-2 : 2004 CRYOGENIC VESSELS - STATIC VACUUM INSULATED VESSELS - PART 2: DESIGN, FABRICATION, INSPECTION AND TESTING
BS EN 13530-1:2002 Cryogenic vessels. Large transportable vacuum insulated vessels Fundamental requirements
DIN EN 13530-1:2002-08 CRYOGENIC VESSELS - LARGE TRANSPORTABLE VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS

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