GB/T 2625-1981 Translated English of Chinese Standard. (GBT 2625-1981, GB/T2625-1981, GBT2625-1981): Process Detection and Control Flow Chart Symbols and Letter Codes [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This standard is applicable to chemical industry, petroleum industry, metallurgical industry, electricity industry, light industry, textile industry, building materials industry and other industries. It aims at specifying unified representation method for the instrument devices used in process detection and control flow chart. The symbols and letter codes specified in this standard may also be used in other design and technical documents. |
Common terms and phrases
alarm Equipment Equipment area number ballon Board-mounted connecting Control Flow control mode Conveyor Conveyor correcting element detecting element diaphragm actuating element diaphragm two-way control disconnect or convert Electromagnetism energy interruption Taking Equipment Equipment Variable Equipment Variable Contents example final control element Flow ratio Flow record indication control system indication Variable Contents initial variable input signals instrument location number interlock system Equipment interlocking alarm letter code letters expressing function level indication alarm level instrument Liquid level indication loop number manual measured variable Method I Method Method II multiple Multivariable Orifice plate pilot light pipeline point of measurement pressure control valve Pressure or vacuum record control system relay selection Self-operated control valve sequence serial number shown in Figure step-type controller suffix switch Symbol Remarks system Equipment Equipment Table 13 Taking the diaphragm Temperature indication temperature measuring elements Test joint thermal radiation two-way control valve Unclassified Variable Contents Method variable or initial Viscosity