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ISA 75.26.01

Control Valve Diagnostic Data Acquisition and Reporting

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Organization: ISA
Publication Date: 1 January 2006
Status: active
Page Count: 20
scope:

This document applies to all pneumatically operated, automated rotary or reciprocating, on/off, or modulating valves. It also includes automation components (i.e. positioners, transducers, and solenoids) as applicable. It provides a methodology for standardizing the acquisition and reporting of data used in assessing valve condition. The document includes the type of data to be acquired, the number of measurements to be recorded and their resolution, units of measure, nomenclature, computer file storage format, graphical presentation, and other reporting formats. It does not address interpretation of data or diagnosis of valve condition.

All data reported per this document are acquired with the valve out of service with no internal dynamic forces acting on the closure member.

Purpose

The purpose of this document is to provide users of diagnostic products with a uniform means of acquiring and reporting data used for diagnosing valve operability. This is necessary to provide the end user with a means of easily and accurately comparing diagnostic results from acquisition devices made by various manufacturers.

The following is intended to provide minimum resolution and definition of diagnostic tests performed. It does not preclude performing testing with more definition or resolution, or doing other testing with which to diagnose valve performance.

Document History

ISA 75.26.01
January 1, 2006
Control Valve Diagnostic Data Acquisition and Reporting
This document applies to all pneumatically operated, automated rotary or reciprocating, on/off, or modulating valves. It also includes automation components (i.e. positioners, transducers, and...

References

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