Purified water and water for injection storage and distribution skids:-
The equipment indicated for the parts of the system that come into contact with the water should be of 316L stainless steel, ideally with internal surfaces polished to below 0.8 µm (ASME BPE). Other materials may be used such as polypropylene for example, however these systems have limitations and are rarely used. All elements in contact with the water must be of the sanitary type, and connections must be made by orbital welding or be tri-clamp connections.
The main items of equipment in a storage and distribution system are: