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CIP System Components and Configurations 115<br />

FIGURE 16 This CIP skid is adrug mixing system that can clean four mixing tanks, and all<br />

associated piping to three downstream processes.<br />

phases of aCIP program tobemanually initiated. A230-V AC power supply<br />

compressed air and one or two waters are required for operation.<br />

Desirable Criteria for Pharmaceutical and Biotech CIP Systems<br />

The desirable criteria for apharmaceutical CIP unit were listed by Seiberling (3) in<br />

1996 and are included here for easy reader access.<br />

1. The unit should be constructed of components and materials which meet 3-A<br />

sanitary design requirements, or the evolving pharmaceutical industry<br />

equivalents as outlined by Clem in Chapter 12.<br />

2. All solution contact surfaces should be polished to aRa20to25orbetter finish.<br />

This is aminimum polish applicable to the CIP skid tanks, pumps, valves, and<br />

interconnecting piping. Electropolish is specified by some users.<br />

3. The CIP unit should operate reliably with aminimal quantity of solution in<br />

the total system, to reduce water, chemical, and steam requirements, time for<br />

filling and draining for each program phase, and the cost of treating<br />

aqueous waste.

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