Doors are fitted with the side three-phase industrial reduction gear Type Garog, control box (key) and the device for automatic door stopping at the far top and bottom position.
DKAK 300 (3×400 V, 50 Hz, 3,6 A, 12 min-1, 0,85 kW, 300 Nm)
DKAK 500 (3×400 V, 50 Hz, 4,5 A, 12 min-1, 1,1 kW, 500 Nm)
Suitable for hard working conditions and does not need maintenance. It is placed in a housing made of cast aluminium and has a permanent lubrication which enables a reliable and quiet operation. Integrated self-locking in case of failure.
In case of a fault or power supply failure, it is possible to manually control the operation with a hand lever or chain.
Easy adjustment of the device in normal operation as well as in emergency situations through separate switches for rough and fine adjustment.
A curtain slides along the aluminium rails with installed sealing rubbers. Rear plate has a sealing rubber installed in the whole width of the doors and prevents dust and air from getting in.
In case of very large doors, (over 20 m2), a chain transmission ratio and a protective brake are provided against the door falling.