Tubulor Motors are used in small size rolling shutters up to 100 sq feet. It removes traditional spring system and uses a 80 mm hollow pipe. The motor is inserted in the 80 mm pipe and can be operated by a remote or switch.
During power fail, hand crank or chain is used to open the door.
Why tubulor motors are preferred over heavy duty motors –
The tubulor motor is invisible. That is because it is fitted inside the pipe on which the shutter rolls. Tubulor motors are not heavy duty motors, they are suitable for light weight operation. Mainly designed for domestic use, where asthetics and noiseless operation is a must. Auto locking, and all other features that are available for the heavy duty motor are also available for the tubulor motor.