The Damper Actuator ATD of Fertron is a pneumatic actuator for various uses, such as in fans and boiler exhausts, gates, valves and other applications where you need hard and fast drive. Can be rotary or linear. This machine has two standard models, defined by the diameter of the pneumatic cylinder, 100mm or 160mm. Easy installation, can be controlled using a positioner or be of the on-off that provided with the filter and the compressed air regulator and may also be fitted with various other devices such as, for example, limit switches.