A collection of conventional graphic symbols for expert design of gas supply networks and systems.

Based on:
1. STO GAZPROMREGIONGAZ 1.2-2009 "Graphic Representation of Gas Distribution Network Facilities and Related Utilities."
2. GOST 2.780-96 "Unified System of Design Documentation. Conventional Graphic Symbols. Working Environment Conditioners, Hydraulic and Pneumatic Vessels."
3. GOST 2.784-96 "Unified System of Design Documentation. Conventional Graphic Symbols. Pipeline Elements."
4. GOST 2.787-71 "Unified System of Design Documentation. Conventional Graphic Symbols in Diagrams. Elements, Instruments, and Devices of the Gas Chromatographic System."
5. GOST 21.609-83 "System of Design Documentation for Construction. Gas Supply. Internal Devices." Working Drawings.

6. GOST 21.404-85 "System of Design Documentation for Construction. Automation of Technological Processes. Symbols of Instruments and Automation Equipment in Diagrams."

7. GOST 21.206-93 "System of Design Documentation for Construction. Symbols of Pipelines."

Format – DWG.

7 regulatory documents.
287 elements.
100 according to GOST.

For convenience, elements are organized into AutoCAD 2010 block tool palettes.

The archive also contains files created as standard DWG drawings, compatible with AutoCAD 2004-2014, Kompas, ZWCAD, nanoCAD, BricsCAD, etc.

Note:
- For correct display of the drawings, you must download and install the GOST and GOST_A engineering fonts for AutoCAD and Windows.