NEN EN 14772 : 2005

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Structure of this document
5 Quality assurance tests and inspections
  5.1 Quality assurance inspection and testing of gaskets
       as indicated in the relevant standard
       5.1.1 General
       5.1.2 Non-metallic flat gasket with or without inserts
       5.1.3 Spiral wound gaskets
       5.1.4 Non-metallic PTFE envelope gaskets
       5.1.5 Corrugated, flat or grooved metallic and filled
             metallic gaskets
       5.1.6 Metallic ring type gaskets
       5.1.7 Covered serrated metal gaskets
       5.1.8 Covered jacketed gaskets
       5.1.9 Polymeric "O" Ring Gaskets
  5.2 Quality assurance tests that are relevant for the
       components of composite gaskets
       5.2.1 General
       5.2.2 Exfoliated graphite
       5.2.3 PTFE (All forms)
       5.2.4 Plate silicate
       5.2.5 Millboard
       5.2.6 Rubber bound, fibre reinforced, sheet material
       5.2.7 Metal
  5.3 Functional testing of the gaskets
       5.3.1 General
       5.3.2 Non-metallic flat gaskets with or without inserts
       5.3.3 Spiral wound gaskets
       5.3.4 Non-metallic PTFE envelope gaskets
       5.3.5 Corrugated, flat or grooved metallic and
             filled metallic gaskets
       5.3.6 Metallic ring type gaskets
       5.3.7 Covered serrated metal gaskets
       5.3.8 Covered jacketed gaskets
       5.3.9 Polymeric "O" Ring Gaskets
6 Recommended test procedures
  6.1 Thickness determination
  6.2 Density/Weight per unit area determination
  6.3 Ash content/Ignition loss determination
  6.4 Compression and recovery determination
  6.5 Chloride content determination
  6.6 Sulphur content determination
  6.7 Comparative graphite oxidation determination
  6.8 Gas permeability determination
  6.9 Stress retention determination
  6.10 Hardness
7 Reporting
Bibliography

Defines the quality assurance procedures that are applicable to ensure that delivered gaskets comply with the relevant product standards.