GR300 FS

No effort required in opening and closing the door: «Free door» Allow to equip heavy doors: fixed force EN 4, EN 5 and EN 6 Automatic closing of the door leaf upon activation of the fire alarm: then it performs like a normal door closer Compliance with NFS 61937-1 et NFS 61937-2 Adjustable closing speed by grub screw and adjustable latching by device arm Relief valve as a standard Opening angle up to 180° on pull side Fixings hidden in its cover Fitting on any type of support (wood, aluminum, PVC) Sustainable and continuous adjustments thanks to its thermostable technology.