The JNF – FREE LINE ML.21.550.BA door closer with slide rail is made of aluminum and features a surface finish. The door closer complies with EN 1154 requirements and has been tested for a minimum of 500,000 closing cycles. It is characterized by reliable operation and long service life.
When selecting a door closer, it is essential to follow the EN 1154 standard, which defines the door closer size (closing force) according to the door leaf width. The JNF – FREE LINE ML.21.550.BA door closer has one closing force size according to EN 1154, namely size 3.
Closing force size 3 according to EN 1154 is suitable for door leaf widths from 850 mm to 950 mm.
The recommended door leaf weight for this door closer is 60 kg.

Application:
– For lighter interior doors (not suitable for fire-rated or smoke-control doors)
– Door handing: suitable for left and right doors