Floor Spring exchangeable S221

• Suitable for single & double action doors.
• Maximum door width 1100mm, Maximum door weight 200 kgs, Maximum door opening 180°.
• Available for no hold open of fire doors.
• Speed adjustment valves can not be backed out of Floor Spring when adjustment , that eliminates oil leakage from the valves.
• Adjustment valves of closing speed and latching speed are fully independent .
• Two -piece cover plate , easy to adjust the center of the door and closing speed .
• Screws on both sides to strengthen and increase the stability of the door after the installation .
• Spindle optional regulations applicable to all kinds of doors and flooring needs .
• Fire doors available for door opening 180° of double action door (wall) or for door opening 190° of single action door (electromagnetic buckle) .

TECHNICAL DATA