Vacuum actuated switch
Vacuum detection switch
Vacuum operated circuit breaker
Vacuum operated switch
Vacuum responsive multicontact switch
Vacuum sensitive switch
Vacuum switch
Vacuum-controlled switch means responsive to engine load
Valveless liquid microswitch
Variable differential adjustor
Variable differential adjustor
Variable differential adjustor
Vented pressure switch apparatus
Vented pressure switch apparatus
Vibration resistant electrical switch
Viscosity-compensating flow switch
Volumetric pump/valve