This standard BS EN 60534-4:2006 Industrial-process control valves is classified in these ICS categories:
17.120.01 Measurement of fluid flow in general
19.020 Test conditions and procedures in general
23.100.50 Control components
25.040.40 Industrial process measurement and control
23.060.40 Pressure regulators
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.
