Hose couplings are devices used to connect two sections of hose, allowing for the transfer of fluids or gases. They come in various types, including quick-connect, screw-on, and clamp-style, each designed for specific applications. These couplings ensure a secure and leak-free connection, making them essential in industries like agriculture, construction, and firefighting. Typically made from materials such as metal, plastic, or rubber, hose couplings are chosen based on the type of fluid being transported and the working pressure. Proper selection and maintenance of hose couplings are crucial for safety and efficiency in any system that relies on fluid transfer.