I installed a CV1800 with 14 automatic gates in both 4-inch and 6-inch sizes. The gates and controls are all shop make. As I turn on any machine the gate opens and the dust collector tuns on. When the machine is turned off there is a 10 second delay then the gate closes and the DC shuts down. If you are interested they are shown under Fred Sotcher in the gallery (http://www.gallery2.clearvuecyclones.com/v/CV1800+and+CVMax/Fred+Sotcher). Or contact me at fsotcher@gmail.com
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