Linear pneumatic actuators PA206, PA281, PA341 and PA436 (140 cm² to 700 cm²)

PA series pneumatic multi-spring actuators with rolling diaphragm, offering decreased hysterisis and good linearity throughout the operating range. Available in air to close and air to open versions, for modulating and on/off services. 

  • Multi-spring compact design. 
  • Actuators with rolling diaphragm. 
  • High spring thrusts and stroking speeds. 
  • Strokes up to 30 mm. 
  • Sizes from 140 cm² to 700 cm².
  • Yoke and stem coupling with mounting according to NAMUR (DIN IEC 60534-6-1). 
  • Operation temperature range from -20 ºC to 80 ºC. 
  • Top mounted handwheel. 
  • Stroke limiter. 
  • Stainless steel construction. 
  • Positioners, limit switches, I/P converters, volume boosters, feedback units and others. 

  • Actuation of ADCATrol control valves, or others on request. 

  • PA206, PA281, PA341 and PA436 – mild steel. 
  • PA206i, PA281i, PA341i and PA436i – stainless steel. 
  • For other models, please consult IS PV3.70 – PA linear pneumatic actuators.