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WFI cold storage and distribution

The WFI generated must be appropriately stored and distributed to the points of use.

Cold water for injection (WFI) storage and distribution systems typically have two P-line series exchangers installed.

The first one protects the system against excessive increase of temperature, cooling it to 15°C – 30°C. The second is used in the process of periodically heating water to a high temperature in order to sterilize the system.

Another WFI cold water storage and distribution solution is a system with one P-line exchanger, which fulfills both functions. If required, cold water from an aggregate or technological steam is supplied on the shell side.