A collection of conventional graphic symbols for expert design of heating systems.

Based on GOST 2.781-96 "Unified System for Design Documentation. Conventional Graphic Symbols. Hydraulic and Pneumatic Apparatus, Control Devices, and Instrumentation."
Table No. 4: Conventional Graphic Symbols for Lubricant Feeders.
Table No. 5: Conventional Graphic Symbols for Instrumentation.

Format: DWG.

32 elements.
100 according to GOST.

For convenience, the elements are organized into a tool palette of AutoCAD 2010 blocks.

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