Revised
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.
WITHDRAWN
IEC 60534-4:1999 ED2
WITHDRAWN
IEC 60534-4:2006 ED3
99.60
Withdrawal effective
Dec 16, 2021
PUBLISHED
IEC 60534-4:2021 ED4