#doorsequenceselector

Mechanical Door Coordinator | Door Sequence Selector | Double Fire Door Hardware

Ensure the correct closing sequence for double doors. The inactive leaf closes first, followed by the active leaf, helping prevent door collision and incomplete closing.

✔ Mechanical operation, no power required ✔ Zinc-plated steel construction ✔ Easy installation with complete accessories ✔ Suitable for fire doors, smoke control doors, steel doors, and commercial double-door systems OEM & ODM Manufacturing Available.