Aluminum Alloy Fuel Check Valve Anti Water Backflow One Way Gasoline Diesel For Cars Car Helicopters Ships MotorcyclesFeatures:Suitable for all sizes of one-way valves, anti-backflow water valves, check valves, oil supply valves, oil pumps, hand pumps and aluminum connectors. Suitable for all sizes of oil supply connections and hand pumps. Medium Used: Diesel, Gasoline, Water, etc. (not suitable for methanol because methanol produces formic acid when electrified, which will corrode the inside of the product and lead to product failure)Scope of application: for Peugeot, for Renault, ship, helicopters, ships, motorcycles and other fuel systems. Advantages: diesel-resistant, gasoline-resistant and aging-resistant. Specifications:Size: 52*22mm/2.05*0.87" Specification: 6mm/0.24", 8mm/0.31", 10mm/0.39", 12mm/0.47" Material: External: High Quality Alloy Aluminum, Internal: High Quality NBR Rubber. Opening pressure: 0.2 barWorking pressure range: 0.2-6 barOperating temperature range: -30 °C-130 °CUnotes:1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you!2. Please allow slight measurement deviation due to manual measurement.1 x Check Valve