ONORM EN ISO 4126-2 : 2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
   4.1 Selection of materials
   4.2 Material specifications
   4.3 Protection from corrosion
5 Types of bursting discs
   5.1 Conventional domed bursting discs (forward acting)
   5.2 Reverse domed bursting discs (reverse acting)
   5.3 Flat bursting discs
   5.4 Other types and designs
6 Bursting disc holders
   6.1 Design
   6.2 Types
   6.3 Connections
7 Back pressure supports
   7.1 General
   7.2 Opening back pressure supports
   7.3 Non-opening back pressure supports
8 Temperature shields
9 Stiffening rings
10 Gaskets/seals
11 Assembly of bursting disc safety devices
   11.1 General
   11.2 Bursting disc safety devices with replaceable
        bursting disc assemblies
   11.3 Bursting disc safety devices with non-replaceable
        bursting disc assemblies
12 Specified bursting pressure requirements
13 Inspection by the manufacturer
14 Test procedures
   14.1 General
   14.2 Pressure testing
   14.3 Burst testing
   14.4 Leak testing
   14.5 Non-destructive examination
15 Certification
16 Product designation
17 Marking
   17.1 General
   17.2 Bursting discs/bursting disc assemblies
   17.3 Bursting disc holders
   17.4 Bursting disc safety devices with non-replaceable
        bursting disc assemblies
   17.5 Ancillary components
   17.6 Omission of markings
18 Preparation for storage and transportation
   18.1 General
   18.2 Marking of packages
   18.3 Provision of assembly and installation instructions
   18.4 Provision of documents, loose identification plates
        etc.
Annex A (normative) Materials
Annex B (informative) Materials
Annex ZA (informative) Clauses of this European Standard addressing
         essential requirements or other provisions of EU Directives
Bibliography

Defines the requirements for the design, manufacture, inspection, testing, certification, marking, and packaging.