Why is continuous circulation important in a PW distribution loop?

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2025-11-20 06:39:37 -

Continuous circulation is essential because purified water is highly susceptible to microbial contamination when stagnant. A well-designed PW loop maintains constant flow, pressure, and temperature—typically with a minimum velocity of 1–1.5 m/s—to prevent biofilm formation and maintain sanitary conditions. Many systems use hot water (≥65°C) or chemical sanitization to...

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