- Suitable for doors up to 1100mm (W) with maximum 300kg leaf weight.
Dorma BTS80 Floor Spring Door Closer EN4 includes a cement box and standard spindle. It is a universal non-handed floor spring for single and double action doors. With adjustable closing speed and closing action from approximately 175°, with hydraulically controlled closing cycle and mechanical back-check. Integral pressure compensation feature allows for temperature independent hold-open between 75° and 175° (removable). Hold-open start point and delayed action is easily adjustable using the valve.
Name Dorma BTS80 Floor Spring Door Closer EN4 SKU BTS80 Brand Dorma Weight (KG) 7.0000 Size 341mm x 78mm x 60mm Finish Silver Handing Reversible Closer Type Floor-spring Closer Features Adjustable Speed, Backcheck, Delayed Action, Hold Open Closer Strength 4