valve positioner

valve positioner

[′valv pə‚zish·ə·nər]
(control systems)
A pneumatic servomechanism which is used as a component in process control systems to improve operating characteristics of valves by reducing hysteresis. Also known as pneumatic servo.
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References in periodicals archive ?
Siemens Industry introduces an Integral Volume Booster accessory for the Sipart PS2 electro-pneumatic valve positioner, designed for pneumatic actuators that require high flow for fast stroking times.
To overcome these problems control valve specialists Samson Controls have developed a control valve positioner package which ensures precise positioning with fast response times, over the entire operating range, for example strokes of 60mm and greater.
The oil filter flow valve positioner tool and a breaker bar are the right tools to use when changing the transmission oil filter on A Model Black Hawks.
Siemens says a unique feature of its SIPART PS2 valve positioner is its extremely low air consumption.
has introduced the Flowserve Logix[R] 3400IQ Foundation Fieldbus digital valve positioner.
The PMV D3 digital valve positioner has added FOUNDATION[TM] Fieldbus support and gained ATEX EEX approval as an explosion-proof device.
The ICoT 5000 Smart Valve Positioner is an electro-pneumatic servo system that continuously controls the position of a valve based on a 4 to 20 mA input signal or Foundation Fieldbus input signal.
Tenders are invited for Supply of valve positioner at iocl gujarat refinery, Vadodara
Installation of the new valve positioner is made simple through the Process TUNE function and integral DIP switches which are used to set up the close tight function, select characteristic curves, select manual/automatic operation and use binary input to control valve activation.
A control valve positioner package available from valve specialists Samson Controls is the ideal solution to the problems sometimes associated with achieving precise control of large valves.