IEC 60534-9 : 1.0
IEC 60534-9 : 1.0
INDUSTRIAL-PROCESS CONTROL VALVES - PART 9: TEST PROCEDURE FOR RESPONSE MEASUREMENTS FROM STEP INPUTS
International Electrotechnical Committee
Table of Contents
FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Symbols
5 General test procedures
5.1 Test valve conditions
5.2 Test system
5.3 Measuring instruments
5.4 Process variable
5.5 Nominal test position
6 Examples of step response
7 Tests specified for each of three test environments
7.1 Bench tests
7.2 Laboratory tests
7.3 In-process tests
8 Detailed test procedures
8.1 Baseline test
8.2 Small-step test
8.3 Response-time tests
9 Presentation of test results
9.1 General information
9.2 Test results
9.2.1 Baseline test
9.2.2 Small-step test
9.2.3 Response-time tests
Annex A (informative) Sliding friction measurement
Bibliography
Abstract
Defines the testing and reporting of the step response of control valves that are used in throttling closed-loop control applications.
General Product Information
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 65 |
