• ISA TR75.04.01

ISA TR75.04.01

Control Valve Position Stability

The International Society of Automation , 01/01/1998

Publisher: ISA

File Format: PDF

$29.00$58.00


This document discusses control valve stem position mechanical stability and establishes a measurement criterion for position instability of the valve. Other forms of instability associated with control valves and control systems are not covered.

Purpose

This document is intended to help the user recognize, measure, and diagnose the unstable motion of a valve. A reference section (Annex A) with abstracts provides further references.

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