Core Concepts and Principles · Pressure and Flow
Dynamic Pressure
The pressure exerted by water when it is in motion through pipes and fittings in a plumbing system. Typical residential range: 40-80 PSI (pounds per square inch). Optimal: 50-60 PSI.
Safety note
⚠️ SAFETY: Always shut off water supply and relieve pressure before working on pressure systems. Wear safety glasses and gloves.
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