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Mechanical gravity door coordinator for secure sequential closing of double doors, with mounting hardware included.
The COR9G gravity door coordinator is a mechanical device engineered to ensure the precise coordination and sequential closing of double doors. It operates without electrical or software components, relying solely on gravity mechanics to control the door closing order. This device includes all necessary mounting hardware and detailed installation instructions for integration into commercial or institutional door systems. Ideal for building maintenance and facility management, the COR9G supports secure door closure in environments requiring reliable mechanical coordination.
Key features include:
This mechanical door coordinator is essential for facilities management professionals seeking reliable door control solutions without electrical dependencies. Widely applicable in commercial buildings and institutional environments, it supports secure and efficient traffic flow by preventing door misalignment or damage during closing sequences. The straightforward mechanical design makes it a practical choice for maintenance teams in building automation and structural safety contexts.
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With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
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Last updated 19 October 2026
The middle half of the 19 with a price runs from €71 to €2,295.
1 other listing of this model is available.
