Is Dwv Pipe Pressure Rated? 0 (zero) PSI • PVC DWV is NOT a pressure-rated piping system. DWV is usually foam core PVC skiinned pipe that is designed for gravity drain, waste and vent applications. No pressure, just a conduit. Many ponds have been built with the DWV which will accomodate the pressures most of … Continue reading Is Dwv Pipe Pressure Rated?
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