P&ID diagrams, as previously said, are created using specified and standard shapes and symbols. Various symbols are required because this diagram covers many diagrams due to the wide diversity of businesses. These diagrams serve as a road map for the engineering system's design, which is later useful in identifying and solving problems. Actuators, equipment, flow elements, instrumentation, piping fittings, valves, and other instruments are among the most popular. Compressors and blowers are used to transfer air or gas through a process. Compressors have a high pressure-to-volume ratio, whereas blowers have a low pressure-to-volume ratio. The following is a list of compressor p and id symbols.