IEC 60534-9:2007 

Industrial-process control valves - Part 9: Test procedure for response measurements from step inputs


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It defines the testing and reporting of the step response of control valves that are used in throttling closed-loop control applications. A control valve consists of the complete, ready-to-use assembly of the control valve body, the actuator, and any required accessories. The most probable accessory is a valve positioner. It defines how to test, measure, and report control valve response characteristics in an open-loop environment. This information can be used for process control applications to determine how well and how fast the control valve responds to the control valve input signal. The contents of the corrigendum of June 2008 have been included in this copy.

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Additional information

Publication typeInternational Standard
Publication date2007-09-10
Available language(s)English/French
TC/SCTC 65/SC 65B - Measurement and control devicesrss
ICS23.060.40 - Pressure regulators
25.040.40 - Industrial process measurement and control
Stability date  2022
File size1350 KB

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