Door return mechanisms DOOR CLOSER RYOBI D-1200 RYOBI D-1200 – Fire-resistant automatic door closer mechanism – door return spring N3-N4 Suitable for fire-resistant / fire-rated doorsEasy installation with adjustable mechanism (size 3-4 – angled bracket – standard arm)Closing force (EN 1154 3/4). Maximum door leaf width up to 1100mmElegant designIt is a fire-resistant mechanism and comes with the... View
