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Pneumatic actuator, single-acting and accessories

PRINCIPLE OF SINGLE ACTIVE FUNCTION FUNCTION:

The vertical single-acting air-spring pneumatic drive is widely used in operations requiring repeated starting in a short time interval, the advantage of being its fast and accurate response. The valve is opened with compressed air.

  • the diameter of control shaft: 17 mm
  • drive height with the carrier: 185 mm
  • drive diameter: 85.3 mm
  • torque: 20 Nm
  • control pressure: 4-8 bar (recommended 5-7 bar)
  • working temperature: –10 ° C to 100 ° C
  • adjustment speed: 1.5 sec / 90 °
  • material: AISI 304

Pneumatic single-acting actuator (air/spring) is used for opening and closing of direct dampers with compressed air (recommended value for safe opening of the damper is 5-8 bar). The actuator spring is used to close the direct damper (without control air pressure) or in case of a drop in the control air pressure for the safe closing of the valve (damper).

To control the pneumatic actuator, it must be supplemented with a pilot (electromagnetic) valve for controlling the compressed air supply. It is also possible to supplement the damper with inductive sensors for signaling the actual position of the damper (open/closed). This configuration allows you to control the damper via a control system with feedback on the position of the damper.

The position of the damper is also indicated (visually) by a mechanical indicator, which is mounted on the control shaft.

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