ISO 22153-2020 pdf free

04-23-2021 comment

ISO 22153-2020 pdf free.Electric actuators for industrialvalves — General requirements.
1.This document provides basic requirements for electric valve actuators, used for on-off and controlvalves. It includes guidelines for classification, design, enclosure and corrosion protection, and methodsfor conformity assessment.
Combinations of electric actuators and gearboxes when supplied by the actuator manufacturer arewithin the scope of this document.
This document does not cover solenoid actuators, electro-hydraulic actuators and electric actuatorswhich are integral to the valves.
Other requirements or conditions of use different from those indicated in this document are agreedbetween the purchaser and the manufacturer/supplier, prior to order.
2.The following documents are referred to in the text in such a way that some or all of their contentconstitutes requirements of this document. For dated references,only the edition cited applies. Forundated references, the latest edition of the referenced document (including any amendments) applies.ISO 5210, Industrial valves — Multi-turn valve actuator attachments
ISO 5211, Industrial valves — Part-turn actuator attachments
IEC 60529, Degrees of protection provided by enclosures (IP Code)
3.1.electric actuator:electrically powered device attached to the valve by bolting for the purpose of applying torque (3.5and/or thrust to open and close and/or control a valve.
3.2.part-turn actuator:actuator which transmits torque(3.5) to the valve for less than one revolution, and does not need to becapable of withstanding operational thrust.
ion and can be:multi-turn actuator actuator which transmits torque (3.5) to the valve/gearbox (3.15) for at least one revolution and can becapable of withstanding thrust
3.3.linear actuator:actuator which transmits thrust to the valve for a defined linear stroke(3.14)
3.4 rated thrust:maximum thrust for linear output actuators, available for valve operation,as stated by the manufactureror maximum thrust for multi-turn output actuators, the actuator can withstand, as stated by themanufacturer
3.8 stall torque/thrust:maximum torque(3.5)/thrust or a combination of both that an electric actuator (3.1) develops when themotor is energized and the output drive (3.18) is locked. cycle movement of the valve obturator from the fully closed position to the fully open position and back tothe fully closed position, or vice versa [SOURCE: ISO 12490:2011,4.8, modified — The word “continuous” at the beginning of the definitionhas been removed.] ISO 22153 pdf download.

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