I.S. CEN TS 13547:2006

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 Classification
  4.2 Design
  4.3 Functional characteristics
5 Test procedures
  5.1 Production pressure testing
  5.2 Seat leakage rates
6 Declaration of compliance
7 Designation
8 Marking
  8.1 Mandatory markings
  8.2 Supplementary markings
  8.3 Omission of markings
9 Preparation for storage and transportation
  9.1 Protection
  9.2 Obturator position
  9.3 Body ends
Annex A (normative) Materials
Annex B (normative) Pressure/temperature ratings
Annex C (normative) Determination of angular movement of
        operating element - Method of test
      C.1 General
      C.2 Test method
      C.3 Alternative test
Bibliography

Describes the design and performance requirements including materials, pressure/temperature ratings for the shell and body seats, dimensions, test procedures and marking.