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
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 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
-Declutchable Manual Override Gearbox
-High Visibility Indicator
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