SL190 Pulley & Belt Tension

SL190 automatic sliding door return pulley & belt tension

An integrated return pulley and belt tension device for SL190 automatic sliding doors, as a locating wheel fixed at the side of the door opener. The integrated belt tensioning device is adjustable and can tighten the driving belt of the door operator. It’s a great alternative option for original replacement, it is a common service part in Dorma product repairing and maintenance.

It is included in the standard package of SL190. An electro-mechanical lock will be a substitution and take over its function if mechanical locking solution set up by customers.