What is the minimum door opening width for mounting the 4640 or 4630 on a double door?

The minimum door opening width (for mounting a pair of 4640 or 4630 operators on a double door) is 72" wide (2 - 36" door leaves). Mounting the 4640 or 4630 on a double door that is less than 72" wide is not possible because the ends of the closers will overlap and hit each other. Even on a opening of 72", access to the power, and hold open switch can be hindered. Neither of these is a problem if the opening is at least 76" wide.

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