The reducing tee in aluminium piping systems is a special piping connector that allows a main pipe to be divided into two or three branch pipes of different diameters, or two or three pipes of different diameters to be combined into one main pipe. Reducing tee's large and small diameters can be connected to each other, thus facilitating the transport of fluids. The Reducing Tee can be used to divert and merge fluids. In flow splitting, the fluid in a main line can be divided into two or three branch lines with different flow rates or pressures to meet the fluid needs of different equipment or areas. In merging, two or three pipes of different diameters can be combined into a single main line for centralised fluid transfer. The reducing tee in an aluminium alloy piping system is usually made of high-quality aluminium alloy material, which has good corrosion resistance, high temperature resistance and strength, and is able to meet the needs of various complex piping connections. At the same time, the light weight of aluminium alloy material also makes reducing tee easier to install and maintain.