The self centering mechanism with hydraulic damping ensures head always rotates quietly and smoothly to the neutral position.
Passage can be controlled in one or either direction.
Available in FAIL SAFE and FAIL lock variants. If FAIL lock is specified, then rotor will lock in both direction in the event of removal of power supply. If FAIL SAFE is specified then the rotor will be free to be turned i both directions in the event of removal of power supply.
