|Hold Open Device||80 to 120 deg|
|Weights||up to 300 kg|
|Leaf Widths||up to 1400 mm|
|Closing Speed||80-180 deg|
|Mounting Type||Floor Spring|
|Max Leaf Weight||120 to 300 kg|
|Adjustable by Valve||15-175 deg|
|Fixed Hold Open||90-150 deg|
|Suitable For||Main Door, Interior Door|
Whether standard, narrow or wide, whether LH, RH, or single or double-action – the DORMA BTS 75 V door 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.
Thanks to a wide range of functions which can be individually selected to suit different requirements, DORMA BTS 75 V floor springs offer maximum reliability and quality.