Williams 113259 WM476B Pneumatic Throttle Pedal

WM476 series treadles are surface mounted, pedal actuated throttle controls. Each WM476 model incorporates a regulating valve assembly from the WM90 series. When the WM476's pedal is applied, the valve subassembly delivers an output proportional to the pedal position. The output controls a throttle cylinder which positions an engine's fuel pump lever.

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