Conrader Throttle Controls are used to regulate the engine speed on gas engine-driven compressors in continuous run operation. These controls are used in conjunction with a pilot valve and an unloader valve. When the compressor reaches the unload (cut-out) pressure the pilot valve sends a pneumatic signal to the throttle control which actuates and extends to reduce the engine speed. As the compressed air is used and the compressor reaches the load (cut-in) pressure the pneumatic signal is discharged by the pilot and the throttle control retracts to return the engine to normal operation speed. Using a throttle control will save fuel and extend the life of the compressor and engine.
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