2 PCS One Way Check Valve, 3/8" 10mm Aluminium Alloy Non Return One Way Check Valve with Clamps, Fuel Hose Control Valves for Petrol Diesel Oil Water, Car

【Good Performance】: Aluminum and special surface treatment process make this one-way check valve has high strength and corrosion resistance. It is not easy to deform and can be resistant to fuel erosion, ensuring the long-term stable operation of the valve. 【Crucial Function】: One-way check valve stops fuel from flowing back into the tank and keeps fuel in line when the engine is stationary, keeping the pump or drive motor from reversing. It is an important component of carburetors, low pressure fuel systems, etc. 【Precision Workmanship】: This one-way check valve is precisely sized and has a smooth, burr-free appearance. The valve body, barb joints and other parts of the check valve are closely machined and strictly tested to ensure good sealing and no fuel leakage. 【Rational Design】: The barb fittings on both sides of the valve are cleverly designed to make their connection to the hose easy and less likely to fall off. The valve is marked with an arrow to indicate the direction of liquid flow, making it easy for you to install it accurately. 【Application Scope】: This one-way check valve is suitable for fuel systems in cars, motorcycles, boats, helicopters, etc. It can be used to connect hoses flowing with gasoline, diesel fuel, oil, and water. It is not recommended to connect a pipeline carrying methanol.