DOE-HDBK-1016/1-93Engineering Fluid Diagrams and PrintsENGINEERING FLUIDS DIAGRAMS AND PRINTSENGINEERING FLUIDS DIAGRAMS AND PRINTSTo read and understand engineering fluid diagrams and prints, usually referredto as P&IDs, an individual must be familiar with the basic symbols.EO 1.1IDENTIFY the symbols used on engineering P&IDs for thefollowing types of valves:a.Globe valveg.Relief valveb.Gate valveh.Rupture diskc.Ball valvei.Three-way valved.Check valvej.Four-way valvee.Stop check valvek.Throttle (needle) valvef.Butterfly valvel.Pressure regulatorEO 1.2IDENTIFY the symbols used on engineering P&IDs for thefollowing types of valve operators:a.Diaphragm valve operatorb.Motor valve operatorc.Solenoid valve operatord.Piston (hydraulic) valve operatore.Hand (manual) valve operatorf.Reach rod valve operatorEO 1.3IDENTIFY the symbols used on engineering P&IDs foreducators and ejectors.EO 1.4IDENTIFY the symbols used on engineering P&IDs for thefollowing lines:a.Process b.Pneumaticc.Hydraulicd.Inert gase.Instrument signal (electrical)f.Instrument capillaryg.ElectricalRev. 0PR-02Page 1
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