Does not apply to the types of control valves where radioactive service, fire safety testing, or hazardous service conditions are encountered. Is applicable to valves with pressure ratings not exceeding PN 420 (Class 2500). Requirements for actuators apply only to pneumatic actuators.
IEC 60534-4 Ed. 2.0 b:1999
Original price was: $74.00.$37.00Current price is: $37.00.
Industrial-process control valves – Part 4: Inspection and routine testing
International Electrotechnical Commission , 04/30/1999
Pages: 43
