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1. Faculty of Engineering - Chemical Engineering Department Lecture 4: Process Instruments Drawings Rawezh M. Mustafa R [email protected] March - 2024 Engineering Drawing by AutoCAD

2. Valves in Industries Pumps, Compressores, Fans and Blowers ISA Symbols Process Flow Diagram (PFD) ISA: The Instrument Systems and Automation Society Process & Instrument Diagram (P&ID) A Process Flow Diagram generally includes following information; Flow rate of each stream in case of continuous process or quality of each reactant in case of a batch process. Composition streams. Operating conditions of each stream such as pressure , temperature, concentration, etc. Heat added or removed in a particular equipment. Flows of utilities such as stream, cooling water, brine, hot oil, chilled water, thermal fluid, etc. Major equipment symbols, names and identification. Any specific information which is useful in understanding the process. For example, symbolic representation of a hazard, safety precautions, sequence of flow, etc.

3. Ethane

4. Flow Sheet Definition: It shows the arrangement of the equipment selected to carry out the process; the stream connections; stream flow-rates and compositions; and the operating conditions. It is a diagrammatic model of the process fig.1.