Dorma BTS 80 System Floor Spring

Universal application

Whether standard, narrow or wide, whether LH, RH, or single or double action – the Dorma BTS 80 floor spring is designed for all types of doors. A comprehensive program of accessories ensures that it can be used successfully with a wide variety of door constructions and floor coverings.

Five model variants

The BTS 80 system with its five model variants including the BTS 80 (for standard applications), BTS 80 F (for fire and smoke check doors), BTS 80 EMB (with electrohydraulic hold-open), BTS 80 FLB (with free-swing function) and the BTS 80 BSR sequencing floor spring set, plus the wide range of accessories available, offers effective adaptability to various door designs and functions.