ISA75.24, Control Valve Actuator Sizing and Selection

Scope

Identify the forces that act on closure components and actuators. Describe how these forces work in the positioning of closure components. Prepare equations required to determine a pneumatic actuator size based on piston or effective diaphragm area and spring characteristics.

This subcommittee will address control valves that directly transmit actuator linear motion to the closure components. This would normally include such styles as globe and cage valves. Control valves that translate actuator linear motion to a rotary motion (e.g., rotary valves) or that go through conversion of linear motion are beyond the scope of this subcommittee.

All actuators for rotary valves are excluded from the scope.

Purpose

This subcommittee has been formed to determine the forces and system parameters that influence control valve actuator size requirements, and to develop standards or recommended practices and to interpret and promote the technology involved for the sizing and selection of linear pneumatic actuators. Forces related to the valve, actuator, and process will be identified. Equations will be developed for the solution of these forces, and the resulting actuator size selection criteria will be established.

ISA Meetings

ISA75.24 was recently reactivated to work on ISA-TR75.24.01, Linear Control Valve Actuator Sizing and Selection. If you are interested in participating in this work, please contact ISA75.24 Chair Vince Mezzano or ISA Staff Contact Eliana Beattie.

For information about upcoming ISA75 and ISA96 meetings, please visit the ISA75 page.

See all ISA75.24 Standards

Contacts:

Jim Anctil Information Member Emerson Process Management Phone: (641) 754-2523	Gayle Barb Information Member
Stephen Boyle Voting Member Metso Automation USA Inc Phone: (508) 852-0215 Fax: (508) 595-5029	Eliana Brazda Staff Contact ISA Phone: (919) 990-9228 Fax: (919) 549-8288
Bruce Broxterman Alternate Member Richards Industries Phone: (513) 533-5615 Fax: (513) 871-0105	Eric Bunke Information Member Badger Meter Phone: (414) 371-6218
Fred Cain Voting Member Flowserve Corp Phone: (801) 489-2307 Fax: (801) 489-3719	Charles Corson Information Member Damiano Long Co Phone: (856) 225-9300 Fax: (856) 225-9300
Foungnigue Coulibaly Information Member Nexen Inc Phone: (403) 699-4933	Charles Crawford Voting Member
Richard Davis Voting Member UNIVERSAL PRODUCTS BIZ Phone: (281) 292-1264	Andrew Engels Information Member Praxair Inc
J. George Voting Member Richards Industries Phone: (513) 533-5609 Fax: (513) 533-5647	John Harkins Voting Member
Gerald Liu Voting Member Consultant Phone: (403) 455-6968	Prentiss Mariam Voting Member Las Vegas Valley Water District Phone: (702) 860-0789 Fax: (702) 407-5678
Horace Maxwell Voting Member Bechtel Power Corp Phone: (301) 228-6919 Fax: (301) 682-7080	John McCaskill Voting Member Expro Group Phone: (713) 983-4953 Fax: (713) 983-4900
Robert McEver Voting Member na Phone: (713) 272-0979	Vincent Mezzano Voting Member Chair Fluor Corp Phone: (281) 732-2443
Ravi Kumar Motukuri Information Member Qutotec India Pvt Ltd Phone: (91) 9538894123	Rajkumar Rajendran Information Member Shell Phone: +74242663177
James Reed Information Member Consultant Phone: (281) 379-1610	Ervin Skovgaard Information Member Control Valve Solutions Phone: (813) 695-4733
Sathish Sundarakumar Information Member Nynas AB Sweden Phone: 0046852065172	Jorge Vergara Voting Member Sunoco Inc Phone: (215) 339-5405 Fax: (215) 339-2655
Ian Verhappen Information Member Industrial Automation Networks Inc Phone: (403) 829-1077	Warren Weidman Voting Member Managing Director wcw consulting Phone: (610) 582-4257
James Young Voting Member The Dow Chemical Company Phone: (979) 238-9703 Fax: (979) 238-0741