Design and Installation Specifications for Common Instruments

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During the design of instruments and automatic control systems, the following **relevant standards and specifications should be followed； \"Detailed Requirements for the Design of Construction Drawings in Automatic Control Engineering\" HG20506–1992 ； \"Functional Indicators and Graphic Symbols for Process Measurement and Control Instruments\" HG/T20505–2000 ； “Specifications for the Selection and Design of Automated Instrumentation” HG/T20507–2000 ； \"Specifications for the Design of Control Rooms\" HG/T20508–2000 ； \"Specifications for Instrument Power Supply Design\" HG/T20509–2000 ； \"Specifications for the Design of Instrument Air Supply\", HG/T20510–2000 ； \"Specifications for the Design of Signal Alarm and Safety Interlock Systems\" HG/T20511–2000 ； «Specifications for the Design of Instrument Piping and Wiring» HG/T20512–2000 ； \"Specifications for Grounding Design of Instrumentation Systems\" HG/T20513–2000 ； “Specifications for the Design of Heating and Insulation of Instruments and Piping” HG/T20514–2000 ； “Specifications for the Design of Instrument Isolation and Purging” HG/T20515–2000 ； „Specifications for the Design of Automatic Analyzer Rooms“ HG/T20516–2000 ； \"Specifications for the Engineering Design of Distributed Control Systems\" HG/T20573–2012 ； “Regulations on the Professional Design Management of Automatic Control” HG/T20636–1998 ； “Regulations for the Preparation of Engineering Design Documents for Automatic Control Projects” HG/T20637–1998 ； “Specifications for the Depth of Engineering Design Documents for Automatic Control Projects” HG/T20638–1998 ； \"Typical Diagrams and Standard Catalogs for Engineering Design in Automatic Control Fields\" HG/T20639–1998 ； \"Self-control Installation Manual\", HG/T21581–2010 ； Code for Design of Electrical Installations in Explosive Atmospheres GB50058–2014 ； Code for Design of Automatic Fire Alarm Systems GB50116–2008 ； 74 \"Code for Design of Detection and Alarm Systems for Flammable and Toxic Gases in Petrochemical Industries\" GB50493–2009 ； It also refers to foreign standards and specifications such as ANSI, ISA, ISO, API RP550, and API-520.