P&ID Symbols for Piping and Instrumentation Diagrams

Overview of P&ID Symbols in M4 P&ID FX

The P&ID software for the quick creation of intelligent flow diagrams contains extensive symbol catalogues according to the common DIN EN standards. The P&ID symbols contained therein are listed in detail below. An overview of the DIN EN catalogue with all symbols of M4 P&ID FX is available here as a PDF download.

P&ID Symbols for Equipment

The following symbols are in the M4 P&ID FX equipment catalogue and can be placed on the flowsheet directly from the catalogue. The equipment can then be connected by pipeline lines. The individual symbols have additional attributes in M4 P&ID FX that can be evaluated in a parts list.
PID Symbols Overview
PID Symbols Vessels and Tanks
P&ID Symbols Columns with integrals
P&ID Symbols Heat Exchangers
P&ID Symbols Steam generator furnaces recooling device
P&ID Symbols Cooling lower
P&ID Symbols Filters liquid filters gas filters
P&ID Symbols Screening devices sieves and rakes
P&ID Symbols Separators
P&ID Symbols Centrifuges
P&ID Symbols Drier
P&ID Symbols Crushing Grinding machines
P&ID Symbols Mixers Kneaders
P&ID Symbols Shaping machines-processing in vertical direction
P&ID Symbols Shaping machines processing in horizontal direction
P&ID Symbols Liquid pumps
P&ID Symbols Compressors vacuum pumps
P&ID Symbols Blowers fans
P&ID Symbols Lifting conveying and transport-equipment
P&ID Symbols Proportioners feeders and distribution facilities
P&ID Symbols Engines
P&ID Symbols Apparatus elements
P&ID Symbols Internals
P&ID Symbols Agitators stirrers
P&ID Symbols Internal characteristics and build-in-components

P&ID Symbols for In-Line Equipment

The following symbols are found in the M4 P&ID FX In-Line Equipment catalogue and can be placed on the pipelines in the flow diagram directly from the catalogue. These symbols are automatically aligned along the pipeline. The individual symbols have additional attributes in M4 P&ID FX that can be evaluated in a parts list.
P&ID Symbols Valves
P&ID Symbols Check valves
P&ID Symbols Valves and fittings with safety function
P&ID Symbols Fittings
P&ID Symbols Graphical Symbols for piping

P&ID Symbols Instruments and controls

The following symbols are in the instrumentation catalogue of M4 P&ID FX and can be placed in the flowsheet directly from the catalogue. Some symbols can be placed directly on an instrumentation line, for example. The individual symbols have additional attributes in M4 P&ID FX that can be evaluated in a parts list.
P&ID Symbols Instruments and actuators