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Hydraulic PWM valve controllers

Hydraulic PWM valve controllers

Hydraulic PWM valve controllers

(OP)
Hello,

Has anyone heard of hydraulic PWM proportional valves that operate above 1000Hz?  I need to spec a controller for as yet unknown valves (it's a test bench) and could save some $ if I limit the controller to 1000Hz.

[Not sure if this is the right forum.  Please re-direct me if not]

Thanks,
-Dave

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