Lockwood FD481 Concealed Mechanical Coordinator for Double Doors

The PD-FD481 is useful in applications where doors are normally kept closed and the active door is used as a passage door. The PD-FD481 is designed for double doors with hinge distance up to1350 - 2800mm. The PD-FD481 mechanical coordinator keeps the active door open when inactive door is open. The Active door starts to close when the inactive door is almost closed. After the active door is closed it latches the inactive door.

• Double door applications minimum 1100mm, maximum 2100mm
• Non fire rated model available on application suits double doors up to width 2800mm
• Leaf weight 100kgs