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.

Certified ISO 9001

Harley Davidson Museum - Milwaukee, WI (USA)

Inside and out, the Harley Davidson Museum expresses an urban-, factory-style design reflecting the history and culture of its iconic motorcycles. Surrounded by water on three sides, the 20-acre plot lies in the city’s old industrial district and boosts ongoing redevelopment.

The DORMA Architectural Hardware specified for doorways, including the BTS 80 system floor spring, through out the Museum reinforce the emphatic expression of form matching function.