Verified by manufacturer 1 month ago
BTS 80 FLB Floor Spring
A range of universal floor springs designed especially for fire and smoke check doors.
Suitable for doors up to 300 kg leaf weight and for use with all common smoke detector systems, e.g. DORMA RMZ 2 (BTS 80 EMB and BTS 80 FLB only).
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.
Features and benefits:
Shape | Rectangle |
Material | Brass Stainless steel |
Size | 341 x 78 x 60 mm |
Uniclass | |
CAWS | P21/14 Floor springs P21/450 Floor springs |
Product range |
Classification grades (minimum) | |
Door closer power size | EN 4.Guidance for specification option: For standard doors up to 1100 mm wide (905 mm for Universal model). EN 5.Guidance for specification option: For standard doors up to 1250 mm wide (1125 mm for Universal model). EN 6.Guidance for specification option: For standard doors up to 1400 mm wide (1280 mm for Universal model). |
Closer functions | Free swing 0°–180°.Guidance for specification option: Features electro-hydraulic, free-swing between 0° and 180°. |
Accessories | None. DORMA 2300 sealing compound. Guidance for specification option: For filling the cavities between floor spring body and cement box to prevent moisture penetration (mandatory according to e.g. VOB regulations for wet rooms). Manufacturer guidanceContact manufacturer for information about other accessories, such as door straps and top centres. |
Coverplate | Satin brass. Stainless steel. |
Dimensions | 341 x 78 x 60 mm. |
Handing | Left hand. Right hand. |
Operating voltage | 24 V d.c. |
Reinforcing underplate | Not required. Required. Guidance for specification option: For use in areas of especially heavy traffic. |
Spindle insert | Manufacturer guidanceConsult manufacturer and insert requirements. 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. |