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ISA96.05, Partial Stroke Testing for Valve Actuators

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Scope

The technical report is limited to automated valves normally operating in either a full open or full closed position. The boundary of the automated valve includes the following:

  • limit switches and other monitoring devices;
  • air regulation and filtration system;
  • valve actuator whose fail position is specified as spring-return fail closed, spring-return fail open, or double acting;
  • valve body specified to meet the functional requirements for its application.

The technical report does not address automated valves used for regulatory control applications.

ISA Meetings

For information about upcoming ISA96.05 meetings and other ISA96 meetings, please visit the ISA96 page.

For more information, please contact ISA Standards.