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A shutoff valve connects to copper plumbing pipes in one of two ways: Compression fitting; Sweat fitting. Identify the connection type used in your home by referring to the photos below. If you have ...

A compression test conducted on a 7 5/8-in., 39-lb/ft P-110 casing joint buckled the pipe body rather than the connection. The test, conducted by Grant Prideco for Shell Offshore Inc.'s Brutus oil and ...