This is a liquid storage tank instrumentation diagram. A chemical storage tank is a high-quality storage container that is used by various industries to store different types of chemical compounds. This P&ID diagram is a detailed drawing of a tank processing plan that includes the piping and process equipment, as well as the instrumentation and control machinery. It depicts the piping and related components of a physical process flow. Such diagrams are well-known in the engineering world. Create your P&ID easily with EdrawMax.