NEN EN ISO 4126-6 : 2014

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Application
6 Selection
  6.1 Selection of bursting disc safety devices
  6.2 Selection of the performance tolerance
7 Installation
  7.1 General
  7.2 Location of bursting disc safety devices
  7.3 Installation of bursting disc safety devices
Annex A (informative) Information to be supplied by the purchaser
      A.1 General
      A.2 Application details
      A.3 Bursting disc safety device operating details
      A.4 Installation details
      A.5 Special details
      A.6 Language
      A.7 Replacement bursting discs
Annex B (informative) Guidelines for determining the replacement
        period of a bursting disc
      B.1 Introduction
      B.2 Bursting disc safety devices
      B.3 Replacement period
      B.4 Methods of determining the replacement period
Annex C (informative) Pressure relief system discharge capacity
      C.1 General
      C.2 Simplified approach
      C.3 Comprehensive approach
Annex D (informative) Derivation of compressibility factor Z
Annex E (informative) Flow testing of bursting disc safety devices
      E.1 Scope
      E.2 Test requirements
      E.3 Method of testing
      E.4 Test procedure
      E.5 Determination of flow resistance factor K[R]
      E.6 Application of flow resistance factor K[R]
Bibliography

Provides guidance on the application, selection and installation of bursting disc safety devices used to protect pressure equipment from excessive pressure and/or excessive vacuum.