Commonly used P&ID (Piping and Instrumentation Diagram) symbols for pumps / compressors. Note that they may differ slightly from one project to another.
Centrifugal pump | ![]() |
Motor | ![]() |
Dosing pump | ![]() |
Gear pump | ![]() |
Vane pump | ![]() |
Vertical pump | ![]() |
Metering pump | ![]() |
Centrifugal compressor | ![]() |