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2. Valve actuator - Wikipedia

   en.wikipedia.org/wiki/Valve_actuator

   The blue valve body is visible in-line with the pipe. The valve actuator opens or closes the butterfly disc of the valve based on electrical signals sent to the actuator. Another valve actuator is visible in the background, with windows to indicate the valve position. A valve actuator is the mechanism for opening and closing a valve. Manually ...

3. Cameron International - Wikipedia

   en.wikipedia.org/wiki/Cameron_International

   Cameron International Corporation (formerly Cooper Cameron Corporation (CCC) and Cooper Oil Tool, Cameron Iron Works) though now operating under Schlumberger, is a global provider of pressure control, production, processing, and flow control systems as well as project management and aftermarket services for the oil and gas and process ...

4. Actuator - Wikipedia

   en.wikipedia.org/wiki/Actuator

   Actuator. An actuator is a component of a machine that produces force, torque, or displacement, usually in a controlled way, when an electrical, pneumatic or hydraulic input is supplied to it in a system (called an actuating system ). [1] An actuator converts such an input signal into the required form of mechanical energy.

5. Pneumatic actuator - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_actuator

   Pneumatic rack and pinion actuators for valve controls of water pipes. A pneumatic actuator mainly consists of a piston or a diaphragm which develops the motive power. It keeps the air in the upper portion of the cylinder, allowing air pressure to force the diaphragm or piston to move the valve stem or rotate the valve control element.

6. Rotary actuator - Wikipedia

   en.wikipedia.org/wiki/Rotary_actuator

   Electric rotary valve actuator controlling a butterfly valve. A rotary actuator is an actuator that produces a rotary motion or torque. The simplest actuator is purely mechanical, where linear motion in one direction gives rise to rotation. The most common actuators are electrically powered; others may be powered pneumatically or hydraulically ...

7. Electro-hydraulic actuator - Wikipedia

   en.wikipedia.org/wiki/Electro-hydraulic_actuator

   Electro-hydraulic actuator. Electro-hydraulic actuators ( EHAs ), replace hydraulic systems with self-contained actuators operated solely by electrical power. EHAs eliminate the need for separate hydraulic pumps and tubing, because they include their own pump, [1] simplifying system architectures and improving safety and reliability.