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Proportional control - Wikipedia

Proportional control, in engineering and process control, is a type of linear feedback control system in which a correction is applied to the controlled variable which is proportional to the difference between the desired value (set point, SP) and the measured value (process value, PV).

en.wikipedia.org/wiki/Proportional_control

B2 Series, 2-Way, Characterized Control Valve, Stainless ...

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA 76 N40013 - 06/11 - Subject to change. © Belimo Aircontrols (USA), Inc. TF24-SR US Actuators ...

www.belimo.us/media/downloads/Technical...

Pages - Control Valve Actuators and Positioners

Control Valve Actuators and Positioners Actuators. In Block 5, ‘Controls Theory’, an analogy was used to describe simple process control: • The arm muscle and hand (the actuator) turned the valve - (the controlled device).

www.spiraxsarco.com/Resources/Pages/Steam-Engineer...

Servo Valves and Proportional Valves - Moog Inc.

Moog is a leader in designing, manufacturing, and selling high performance hydraulic valve products. With over 50 years experience producing servo and proportional valves for the industrial market, our products are legendary for

www.moog.com/products/servovalves-servo-proportion...

Basics of PID Control (Proportional+Integral+Derivative ...

The PID features found in the control loops of today’s controllers have enabled us to achieve much greater accuracy in our commercial control systems at an attractive price compared to that available only a few years ago.

www.industrialcontrolsonline.com/training/online/b...

Proportional Valves | Parker NA

Parker offers a range of proportional valves employing powerful voice-coil valve technology, which allows higher flows from smaller valves. These valves provide a high response and are offered with or without on-board control electronics.

Humphrey Products - Official Site

The iDP Series of aggressive media solenoid valves has expanded. The diaphragm isolated 390 series 2-port proportional valve delivers a variable output flow of aggressive chemicals and cleaning fluids … from a corresponding variable input current to its solenoid.

www.humphrey-products.com

Valves & Valve Automation- Pneumatic & Digital Actuators ...

Flowserve Worcester Pneumatic Valve Actuators- Series 39 Worcester Series 39 Pneumatic Actuators High cycle pneumatic power for on-off or throttling control of rotary valves and dampers

www.corrosionfluid.com/actuators_controls.aspx

Valve Solutions for Metals, Energy, and Defense | Hunt Valve

Hunt Valve provides innovative engineering solutions for advanced manufacturing applications for the primary metals, energy, process and defense markets

www.huntvalve.com

Amazon.com: electric valve actuators: Industrial & Scientific

Product Features... This 12V DC brass electric solenoid valve easily replaces broken valves ...

www.amazon.com/electric-valve-actuators...