IEC 60534-4:2006 ed3.0

Заменен

Industrial-process control valves - Part 4: Inspection and routine testing — 41 стр.

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.

Заменен на

IEC 60534-4:2021 ed4.0

ICS

23.100.50 Control. Including valves / Элементы системы управления. Включая клапаны

17.120.01 Measurement of fluid flow in general / Измерения параметров потока жидкости в целом

19.020 Test conditions and procedures in general / Условия и методика испытаний в целом