Floor Spring

Floor spring for single leaf single and double-action doors of up to 1400 mm leaf width with adjustable closing force EN 3-6 and with hold-open function that can be switched on and off. Closing force with variable adjustment EN3-6. Can be used for right and left hand doors without conversion. Delayed closing adjustable to adapt the closing force of the door up to approx 80° opening angle. Mechanical hold-open unit in the door closer with hold-open area 85°-165°. Hydraulic latching action which accelerates the door shortly before it is closed. Closing speed can be individually adjusted. Integrated back check, slows down doors that are thrown open forcefully. All functions can be adjusted from above and in the installed state.