Valve Positioners On Century Instrument Co.


	Valve Positioners
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	larger image		For automatic throttling control a valve positioner is required. The positioner accepts a 3 - 15 psig. or 6 - 30 psig. variable signal from a control instrument or D/P cell and positions the valve in its stroke to maintain a constant and stable condition of pressure or flow in accordance with a varying demand or load. For information on Electro-pneumatic positioners to accept a milli-amp signal and convert it to a pneumatic signal contact the factory or your nearest sales representative.

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Valve Positioners