Home Door closer & door hardware Groom Freeswing Door Closer

GR300 FS – Smart Free-Swing Fire Safety Closer

The GR300 FS delivers a blend of accessibility, safety, and elegance. With “free door” mode allowing effortless movement, and automatic fire-compartment closure capability, it fits modern building requirements without compromising aesthetics or performance.

Product description

The GR300 FS is a smart free-swing door closer with scissor arm, designed for effortless opening and automatic fire-alarm triggered closing. It complies with EN 1154 and EN 1155, carries the CE mark, and meets NFS 61937-1 & 61937-2 standards. It uses fixed force options EN 4, EN 5, EN 6, suitable for doors up to 1400 mm width or 120 kg, with opening up to 180° on the pull side. Adjustment of closing speed is via a front grub screw, and latching is adjustable by the device arm. Fixings are hidden beneath the cover.

Attributes
Arm	Scissor arm
Closing Force	fixed force EN 4, EN 5 and EN 6 (for heavy doors) in this model
Door Type	for door leaves up to width < 1400 mm and/or about 120 kg, with opening angle up to 180° on hinge side.
Features	Automatic closing of the door leaf upon activation of the fire-alarm system, enabling fire-door compartmentalisation