Basic information
- Control shaft diameter 17 mm.
- Drive height with the carrier: 185 mm
- Drive diameter: 85.3 mm
- Torque: 20 Nm
- Control pressure: 4-8 bar (5-7 bar recommended)
- 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 butterfly valves with compressed air (recommended value for safe valve opening is 5 – 8Bar). The spring of the pneumatic actuator serves for closing the butterfly valve (without control air pressure) or in case of decreasing control air pressure for a safe closing of the valve (damper).
To control the pneumatic actuator, the actuator must be supplemented with a pilot (electromagnetic) valve for controlling the compressed air supply. The valve can also be equipped with inductive sensors to indicate the actual valve position (open/closed). This configuration allows you to operate the damper via a feedback control system in which position the damper is located.
The position of the flap is also indicated (visually) by a pin which is mounted on the control shaft.
Pneumatic actuators are supplied with complete accessories for direct damper mounting or as a standalone actuator for use with another type of 90 ° open/close valve.