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  Description

The Hearken Part-Turn Pneumatic Actuators provide a uniform torque in a sleek case that is used both for the double acting and single acting, The Pneumatic Actuators are avaliable with a variety of accessories and various options, we supply the drives individually or directly on a fully assembled fitting.  The actuators meet ISO5211/DIN3337 ,VDI/VDE 3845 for accessories,Every actuator is hydraulically tested,certified and guaranteed for a minimum of 500,000 Cycles. 


  Main Features & Characteristics

Extruded Aluminum Body
Die-Cast Aluminum End Caps
Position Indicator with NAMUR slot
Blow-Out Proof Pinion
Dual Opposed Rack Pistons
Linear Torque Output (DA Actuator)
Adjustable Travel Stops
NAMUR Solenoid Mount Design


  General Applications

HPA Series Quarter-turn Pneumatic Actuators are specifically designed and remote for control of any quarter-turn application, We can provide a wide range of torque outputs to suit quarter turn ball valves, Butterfly Valves or Rotary plug valves, dampers etc..for complete valve automation solutions.


  Working Pressure   : From 2 bar up to 8 bar.   

-Standard Temperature: -20℃+80℃

-Low Temperature: -50℃+80℃

-High Temperature: -15℃+150℃ 


   Operating Conditions

Operating media: dry or lubricated air, the non-corrosive gases or oil 

Travel Adjustment: Have adjustment range of ±5º for the rotation at 90º

Lubrication: Under normal operating condition,not need accrete lubricant. 

Application: Either indoor or outdoor.  


   Range of Standard Accessories are availiable for direct mounting

-Solenoid Valve

-Limit Switchboxes

-Positioners 

-Declutchable Manual Override Gearbox 

-High Visibility Indicator 


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