Hollow Plug

The hollow plug is a key component to in pipe fitting assembly, as the plug body provides the seal in the access fitting. A hollow plug is a valve used to restrict or isolate the flow of a liquid or gas through a pipe. There are both right-handed and left-handed threads in such plugs. This arrangement of right- and left-handed threads ensures that the functional parts of the pipe cannot become unscrewed during the extraction process.

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