This section has been written to cover most (but not all ...

Push-On Gasketed Pipe Connections. Mechanical Grooved Pipe Connections. ... (DOT 501.3.6.4.5) to a level 12" above or as indicated. ... For hydrostatic tests, use clean water and remove all air from the piping being tested by means of air vents or loosening of flanges/unions. Measure and record test pressure at the high point in the system. ................
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