Revidiran
Defines the methods of inspection, the pressure and leak tests and performance tasks for valves with pressure ratings up to PN 100 (Class 600).
POVUČEN
IEC 60534-4:1982 ED1
99.60
Povlačenje stupilo na snagu
30. 4. 1999.
POVUČEN
IEC 60534-4:1982/AMD1:1986 ED1
POVUČEN
IEC 60534-4:1999 ED2