PREN 13547 : DRAFT 1999

Foreword
1 Scope
2 Normative references
3 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 Assessment of conformity
7 Designation
8 Marking
  8.1 General
  8.2 Body marking
  8.3 Supplementary 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
Annex ZA (informative) Essential safety requirements
                       Clauses of this European
                       Standard addressing essential
                       requirements or other
                       provisions of EU directives
Bibliography

Specifies requirements for copper alloy ball valves having flanged threaded, capillary or compression ends in PN4 to PN63 and Class 150 and Class 300 and from DN6 to DN300.