Both a pipe bushing and a reducer are used to connect pipes of different sizes, but they differ significantly in their physical shape, installation method, and flow characteristics. A reducer is a standard pipe fitting that maintains the general flow direction and gradual transition length, replacing a section of pipe. A bushing, often called a reducer bushing, is a short, threaded plug-like insert with a smaller threaded inner diameter that screws directly inside a larger fitting or coupling, making it a compact and space-saving solution for reducing pipe sizes in tight plumbing configurations.
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