Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
3.1 Control valve
3.2 Components
3.3 Other terms
4 Symbols and abbreviations
5 Requirements
5.1 Design
5.2 Functional characteristics
6 Test procedure
6.1 Shell design strength
6.2 Seat leakage
6.3 Performance tests
7 Inspection
8 Designation
9 Marking and preparation for transportation
9.1 Marking
9.2 Preparation for transportation
Annex ZA (informative) - Clauses of this European Standard
addressing essential requirements
or other provisions of EU Directives