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SC WI | Those look like the raven valves we have on a sprayer and sidedress bar. 3 wire. Power, ground, signal. They open when signal is powered, close when it is not. They are a threaded piston, not a ball or fast close valve. They open amd close in less than one second. I think they are rated at .7 seconds.
Air in the line and long hoses from the valve to the boom can make it look like they are slow to open and close. | |
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