Coordinator

A, Use for double door. B, Confirm which door closer first. C, 3 types. (depend on lock type) D, UL certification.

The function of a coordinator is to ensure that the leaves of a pair close in the proper sequence. Two common types of coordinators are gravity coordinators which are mounted on the frame face (top right), and bar-type coordinators which are mounted on the underside of the frame head (bottom right).

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