Straight flare fittings are made of 6061-T6 aluminum with a black anodized finish for strength, durability and excellent corrosion and rust resistance, which withstand high pressures and temperatures, making it suitable for long-term use in automotive environments.The flare fitting adapter utilizes precision-machined threads, which provide reliable sealing and facilitate quick conversion between AN connectors and AN connectors, ensuring smooth fluid flow and a tight, secure, leak-free and strong connection.Flare fuel hose connectors are widely used as reducers in automobiles, ships, fuel system, cooling system, hydraulic systems of construction machinery and other fluid systems. These connectors are suitable for connecting pipes that transport gas, oil, fuel, water, general liquids and air.