IEC 60534-4:1982 ed1.0

Заменен

Industrial-process control valves. Part 4: Inspection and routine testing — 21 стр.

Defines the methods of inspection, the pressure and leak tests and performance tasks for valves with pressure ratings up to PN 100 (Class 600).

Заменен на

IEC 60534-4:1999 ed2.0

ICS

23.060.40 Pressure. Including pressure-reducers / Регуляторы давления. Включая редукторы

25.040.40 Industrial process measurement and control / Измерение и контроль производственного процесса