DFE Pneumatic ControllerSimplifies Unwind FunctionsDover Flexo Electronics (DFE), Rochester, N.H., has designed a manual pneumatic brake controller for use in open-loop unwind applications. The device operates on 0-100 pounds per square inch (psi) filtered shop air and has no electrical components. Three pneumatic solenoids direct air to up to three brakes or brake cylinders. The controller has two-position toggle switches for each output channel, and an adjustable regulator knob and air pressure gauge for real-time adjustment of output pressure.August 2002
