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The Mueller Industries W1030 is a copper reducing coupling that connects copper pipes of different sizes. It has female soldered connections on both ends. This coupling is made through a wrot process using UNS C12200 copper, meeting ASTM B280/B88 standards.
This coupling is designed for plumbing applications where transitioning between different pipe sizes is necessary. It accommodates a size A of five-eighths inch and a size B of three-eighths inch, allowing for a connection between three-quarter inch and one-half inch outer diameter pipes.
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