Door operators are supplied in long power shaft and short power
shaft. The rotary drive, which is exceptionally compact (cod.
8863.01.D/S - 8828.01.D/S - 8855.01.D/S), as well as generating
the rotating movement for the opening and closing of the door
panel also produces a lifting movement.
Using this lifting movement in the closing phase, the door panel
goes automatically to the "blocked" position using four
wedges so guaranteeing a perfect and safe closure of the door
panel under all conditions.
can be supplied with three different types of rotary drives :
8863.01.D/S rotary drives control door movement through micro-switches
which indicates the door opening and closing position. They
are also complete with reversibility control system and mechanical
block in case of air loss.
8828.01.D/S rotary drives control door opening-closing by
means of an electronic card that receives door position signals
through a potentiometer; therefore door movement is
controlled in all points.
8855.01.D/S rotary drives control door movement through
micro-switches which indicates the door opening and closing