ISA 75.25.01 : 2000
Current
The latest, up-to-date edition.
TEST PROCEDURE FOR CONTROL VALVE RESPONSE MEASUREMENT FROM STEP INPUTS
Hardcopy
English
01-01-2000
1 Scope and limitations
2 Purpose and limitations
3 Definitions
4 General test procedures
4.1 Test valve conditions
4.2 Test system
4.3 Measuring instrument requirements
4.4 Process variable
4.5 Nominal test positions
4.6 Examples of step response
5 Tests specified for each of three
test environments
5.1 Bench tests
5.2 Laboratory tests
5.3 In-process tests
6 Detailed test procedures
6.1 Baseline test
6.2 Small step test
6.3 Response time tests
7 Presentation of test results
7.1 General information
7.2 Test results
8 References
Annex A - Sliding Friction Measurement
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