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Valve Positioners Specifications

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Positioner Type:

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Linear Valve Actuation?

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Rotary Valve Actuation?

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Pneumatic Actuation:

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Pneumatic Input Signal Range:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)
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Maximum Supply Pressure:

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Milliampere Input Signal Range:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)
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Electric Actuation Type:

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Split Range:

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Output Action:

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Operating Temperature:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)
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View Valve Positioners Datasheets

Help with Valve Positioners specifications:

Positioner Type
   Positioner Type       
   Your choices are...         
   Electro-pneumatic (I / P)       The device converts a current milli-ampere control signal to an equivalent pneumatic signal. 
   Pneumatic       The device receives a pneumatic control signal and provides a pneumatic signal to the actuator. 
   Digital       Also known as a "Smart" Positioner. A device that uses a microprocessor to position the pneumatic actuator and to monitor and record data. 
   Electronic       The device receives an electrical control signal and provides an electrical signal to the actuator. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Environment
   Operating Temperature       This is the full required range of ambient operating temperature. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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Valve Actuation
   Linear Valve Actuation?       Sliding stem designs such as globe, pinch, diaphragm, split-body, three-way, and angle valves. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Rotary Valve Actuation?       Rotating, quarter-turn closure element such as butterfly, ball or plug. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Pneumatic Actuation
   Pneumatic Actuation       
   Your choices are...         
   Single Acting Positioner       A three-way positioner. Sends and exhausts air to only one side of a single acting actuator that is opposed by a range spring. 
   Double Acting Positioner       A four-way positioner. Sends and exhausts air to both sides of an actuator. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Pneumatic Input Signal
   Pneumatic Input Signal Range         
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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Supply Pressure
   Maximum Supply Pressure       The maximum supply pressure available or the pressure rating of actuator, which ever is lower. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
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Milliampere Input Signal
   Milliampere Input Signal Range         
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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Electric Actuation Type
   Electric Actuation Type       
   Your choices are...         
   Single Phase AC Application         
   Three Phase AC Application         
   DC Voltage Application         
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Split Range
   Split Range      A split input signal range (i.e. 4-10mA, 12-20 mA).
   Your choices are...         
   Two-way Split         
   Three-way Split         
   Four-way Split Or More         
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Output Action
   Output Action       
   Your choices are...         
   Direct Action       As the input signal increases, the output signal to the actuator increases. 
   Reversible Action       As the input signal increases, the output signal to the actuator decreases. 
   Field Reversible       The device can be switched between direct and reversible action. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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