General description The 2pcs 8mm Aluminum Alloy One Way Check Valve is designed for use in gasoline and diesel carburetor low pressure fuel systems. This practical check valve features an arrow marking to indicate the direction of fluid flow, effectively preventing fuel from flowing back into the tank and getting trapped in the pipeline. Made from high-quality aluminum alloy, this valve offers a longer service life compared to plastic alternatives, ensuring excellent durability and corrosion resistance. Technical specifications Material: Aluminum alloy Size: 8mm Compatibility and accessories Compatible with water, gasoline, diesel, engine oil, and other liquids Suitable for fuel systems of cars, ships, helicopters, motorcycles, etc. Ideal for carburetors and low pressure fuel systems Also suitable for non-self-priming hydraulic pumps and galley pumps Usage This fuel check valve effectively addresses issues related to difficult or slow starting of vehicles caused by fuel passing