PIPE OPENING? Crossword Clue

We know 2 solutions for: PIPE OPENING?
Crossword Puzzle Infos
The term 'Pipe Opening' refers to two parts of a pipe system. The first part is the TAIL, which is the end of the pipe that is connected to the source of the flow. The second part is the intake, which is the beginning of the pipe that receives the flow from the source. Together, these two parts form the opening of the pipe system.
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