IEC 60534-4:1982/AMD1:1986

Amendment 1 - Industrial-process control valves. Part 4: Inspection and routine testing
Establishes a series of seat leakage classes for application to specific designs of control valves and defines the test procedures.
SDO:
IEC
Language:
English
ICS Codes:
23.060.40; 25.040.40
Status:
Revised
Publish date:
1985-12-31
Standard Number:
IEC 60534-4:1982/AMD1:1986