Design Specifications for Process Water

To provide guidelines for the selection of material to be used for the construction of equipment and supporting accessories to manufacture the process water 

It is the responsibility of the technical services manager and contractors to follow the procedure. The quality assurance manager is responsible for SOP compliance. 

The following design specifications are establishing based on guidelines provided in USP 24. They can be further fine-tuned according to the individual company s requirement. For general guidelines refer to section D. 

All parts in contact with the process water, except gaskets and membrane of valves, must be AISI 316L stainless steel (distillator, tubing, heat exchangers, sensors, valves, fittings, tank, pump, and all instrumentation). 

Finishing inside (contact with the process water) Ra 0.8 [im and electropolished outside 150 grit finish. 

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