DS DS/EN 60534-4
DS DSEN 60534-4 2006-DEC-12 ndustral-process control valves - Part 4 nspecton and routne testng
Cart
(empty)
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.