An actuator is provided for moving the check along an axial path between a sealing position wherein the sealing portion of the check is in contact with the valve seat and isolates the injector nozzle orifice from the injector inlet and an open position wherein the sealing portion is spaced from the valve seat to place the injector nozzle orifice in {HEAD ~ fluid communication} with {TAIL ~ the injector inlet} 
An actuator is provided for moving the check along an axial path between a sealing position wherein the sealing portion of the check is in contact with the valve seat and isolates the injector nozzle orifice from the injector inlet and an open position wherein the sealing portion is spaced from the valve seat to place the injector nozzle orifice in { HEAD ~ fluid communication } with { TAIL ~ the injector inlet }
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