The door closer system BTS 80 performs its function discreetly yet still meet exacting convenience and safety criteria and is suitable for doors up to 300 kg. The technique of floor spring is almost invisible placed in the ground. The BTS 80 system with its 3 model variants BTS 80 F (Floor spring for fire and smoke check doors), BTS 80 EMB (with electro-hydraulic hold open), BTS 80 FLB (with freeswing function) and the wide range of accessories allows effective adaptability to various door designs and -functions. In conjunction with the doorcoordinator BSR, a use at double-leaf doors is possible.

DORMA floor springs offer the perfect combination between freedom of creation and greatest reliability by their concealed floor mounting, providing a multitude of functions at the same time. Just as the requirements of preventive fire protection, the desire for barrier-free usage convenience and specific functions, like electrohydraulic hold-open and free-swing, is fulfilled. Long-term engineering experience and a manufacture certified according to ISO 9001 give the certainty of an assured and high quality.

BTS 80 F

The BTS 80 F is a versatile floor spring that can be used in numerous situations. For any environment, that requires a compliant entrance that does not encroach aesthetically on its surroundings, the BTS 80 F concealed floor spring is ideal.

No hold-open unit complete with cement box and without spindle. Fixed BackCheck. For installation on internal doors up to 1100mm EN4 /1250mm EN5 /1400mm EN6 with 180 degree opening. Max door weight 300KGM. Left hand ISO6, anticlockwise closing or Right hand ISO5, clockwise closing, for use on single action doors. Non-handed not for use on single action doors.

Please refer to image for handing options.

Successfully third party tested to BS EN1154

CERTIFIRE Approved CF127

Please CLICK HERE for product data sheet.