ISA 96-01 Valve Actuator Terminology

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ISA 96-01 test. ANSI/ISA-96.01 is a standard developed by the American National Standards Institute (ANSI) and the International Automation Association (ISA) that provides standard terminology for valve actuator systems.

Some basic terms and definitions in the standard are:

• Actuator: A device that converts a control signal into a physical motion to operate a valve.
• Travel: The linear or rotary distance traveled by the actuator.
• Stroke: The linear distance traveled by the valve stem or stem.
• Torque: The turning force produced by the actuator.
• Force: The linear force produced by the actuator.
• Speed: The speed at which the actuator moves.
• Fail-proof: A feature that returns the valve to a predetermined position in the event of a loss of control signal or power.
• Spring return: A fail-safe type of actuator that uses a spring to return the valve to a predetermined position.
• Double acting: An actuator that requires air or hydraulic pressure to move the valve in both directions.
• Single acting: An actuator that requires air or hydraulic pressure to move the valve in only one direction.
• Positioner: A device that receives a control signal and adjusts the position of the actuator to achieve the desired valve position.
• Feedback: Information provided to the control system about the current position or condition of the valve and actuator.

These are just a few examples of the many terms and definitions provided by the ANSI/ISA-96.01 standard. By providing a standardized glossary for valve actuator systems, the standard helps promote clear communication and understanding among engineers, manufacturers and end users.

EUROLAB assists manufacturers with ISA 96-01 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.