In the pharmaceutical industry, water is the most widely used carrier both in drug preparation as a solvent and diluent vehicle and in clinical chemistry as a reagent, so much so that it is considered a raw material with specific requirements depending on its intended use. Prototech designs and develops equipment for the pre-treatment and treatment of water for pharmaceutical use, both purified water (PW) and highly purified water (HPW), taking into account not only the purification process itself, but also storage and distribution to end users (the pharmaceutical loop).