CNG/LPG Mixers (Diesel engine,power 220 KW) CNG/LPG Mixers 1,Fuel:CNG/LPG2, ... )Working principle :when the reducer's output pressure is a negative value ,we can use venturi tube structure the ... ,the engine intake manifold produce vacuum, and then forming a vacuum on the carburetor ,when the vacuum more than ... -ration reasonable mixerWorking principle diagram : (Diesel engine,power 220 KW)CNG/LPG Mixers