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IEC 60534-4:1999 ed2.0
Industrial-process control valves - Part 4: Inspection and routine testing
43 стр.
Заменен
Печатная копияЭлектронный (pdf)
229.32 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
19.020 Test conditions and procedures in general / Условия и методика испытаний в целом, 17.120.01 Measurement of fluid flow in general / Измерения параметров потока жидкости в целом, 23.100.50 Control. Including valves / Элементы системы управления. Включая клапаны
Описание
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.