Nozzle Type Simplex nozzles continue to be commonly used in smaller aircraft, offering a simple and reliable design. Duplex nozzles remain preferred for larger aircraft due to their higher flow capacity and enhanced performance. Advanced multi-point or spray bar nozzles provide even more precise fuel distribution, improving combustion efficiency and reducing emissions. Injection Mechanism Single-point injection nozzles are designed to deliver fuel at a single point, while multiple-point injection nozzles provide a more evenly distributed spray pattern. Single-point injection is well-suited for lower-power engines, while multiple-point injection is preferred for high-power engines. Air-assist nozzles utilize compressed air to atomize fuel, resulting in finer droplets and improved spray characteristics. Aircraft Type Fuel nozzles for commercial aircraft are engineered to handle high fuel flow rates and meet stringent safety requirements. Military aircraft nozzles, in contrast, prioritize durability and resistance to extreme conditions. General aviation nozzles cater to the specific needs of smaller aircraft, emphasizing cost-effectiveness and ease of maintenance. Vendor OEM (Original Equipment Manufacturer) vendors supply fuel nozzles directly to aircraft manufacturers, while aftermarket vendors cater to the replacement and maintenance needs of aircraft operators. Independent suppliers offer a range of aftermarket options, providing operators with alternative solutions and competitive pricing.