Management of gas supply
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How is instrument air, compressed air, and nitrogen managed, including usage volume, pressure, and pipeline coloring.
Specifications for pipeline diagram colors (can be found by entering the relevant term)； “How is instrument air, compressed air, and nitrogen managed, including usage levels and pressure? It should be managed in accordance with the process requirements of the facilities designed for production. All of these can be found. For inquiries, contact your unit’s control room, documentation room, or production department.