EN 60534-4:2006

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 Hydrostatic test
  4.2 Seat leakage test
  4.3 Packing test
  4.4 Rated valve travel test
  4.5 Dead band tests
  4.6 Additional tests
5 Tests procedures
  5.1 Measuring instruments
  5.2 Test medium
  5.3 Test fixtures
  5.4 Hydrostatic test
  5.5 Seat leak test
  5.6 Packing test
  5.7 Rated valve travel test
  5.8 Dead band tests
Annex A (informative) Example calculations of seat leakage
Annex B (informative) Inspection and routine testing
                      checklist (per IEC 60534-4)
Annex ZA (normative) Normative references to international
                      publications with their corresponding
                      European publications

specifies the requirements for the inspection and routine testing of control valves manufactured in conformity with the other parts of IEC 60534.is applicable to valves with pressure ratings not exceeding Class 2500. The requirements for actuators apply only to pneumatic actuators.