Revidiran
Defines how to state typical control valve inherent flow characteristics and inherent rangeabilities. Also defines how to establish criteria for adherence to manufacturer's stated flow characteristics.
POVUČEN
IEC 60534-2-4:1989 ED1
99.60
Povlačenje stupilo na snagu
13. 5. 2009.
OBJAVLJEN
IEC 60534-2-4:2009 ED2