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The DORMA BTS80FLB is a floor spring with electro-hydraulic free-swing function and backcheck. It is CE marked and a power size EN4.
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A high performance, low friction ball-bearing hinge. It is Grade 13, fire-rated and suitable for a maximum adjusted door weight of up to 120kg. This hinge measures 102mm x 76mm and has a satin stainless steel finish.
A 75mm diameter Satin Stainless Steel Automatic Fire Door Keep Clear Sign.
The Dorma BTS80FLB Free-swing floor spring with electro-hydraulic free-swing feature between 0° and 180°, closing action (de-energised condition) from 180°, and backcheck (de-energised condition).
Unaffected by changes in room temperature, the BTS 80 FLB works in a range of environments and has been proven robust for doors weighing up to a large 300kg. With concealed floor mounting, the floor spring is a compact and aesthetically pleasing door closer, which is also easy to install.
Fields of Application
Suitable for numerous specifications including education and healthcare environments. It is especially suitable for any situation where the user may find operation of a door difficult or where the door needs to be capable of being left in any position from fully open to closed by the user/building occupier.
• 24V DC 95mA nominal Operating Voltage
• Max Door Weight 300kg - Max Door Width 1100mm
• Designed & Fully Compliant to EN1154 & EN1155
• CE Marked
• Swing Free operation
• Cover plate not included