A range of universal floor springs designed especially for fire and smoke check doors.
A range of universal floor springs designed especially for fire and smoke check doors – see CERTIFIRE Register of Approved Products for details of fire door types with which these floor springs can be used.
Dimensions (all models):
341 mm long x 78 mm deep x 60 mm high.
CE marked (models BTS 80 F, BTS 80 EMB only).
Suitable for doors up to 300 kg leaf weight
Closing speed variable by valve adjustment
Latching action variable by valve adjustment (not BTS 80 FLB)
Suitable for use with all common smoke detector systems, e.g. DORMA RMZ 2 (BTS 80 EMB and BTS 80 FLB only)
Comply with requirements of Department of Health memorandum HTM 59 'Ironmongery'
PSA approved (MOB H3 03)
P21/14 Floor springs
P21/450 Floor springs
BTS 80 F
Fully controlled closing from 175°.
BTS 80 EMB
Features electromagnetic hold-open, adjustable latching action and backcheck.
BTS 80 FLB
Features electro-hydraulic, free-swing between 0° and 180°.
Special design with integral circuit for door co-ordinator with electromagnetic retention; left hand
BTS 80 EMB only.
Special design with integral circuit for door co-ordinator with electromagnetic retention; right hand
BTS 80 EMB only.
Models BTS 80 F and 80 EMB only.
For standard doors up to 1100 mm wide (905 mm for Universal model).
For standard doors up to 1250 mm wide (1125 mm for Universal model).
For standard doors up to 1400 mm wide (1280 mm for Universal model).
For use in areas of especially heavy traffic.
DORMA 2300 sealing compound
Standard product features
Interchangeable spindle inserts enable the floor clearance to be increased if required (doors with thresholds, carpeted floors, etc.). Special spindle designs available on application: e.g. flat tapered with 3° offset, square spindles and spindle inserts for non-DORMA accessories.