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 |  {adinserter 1} |
| Motor |  |
| Dosing pump |  |
| Gear pump |  {adinserter 1} |
| Vane pump |  |
| Vertical pump |  |
| Metering pump |  |
| Centrifugal compressor |  {adinserter 1} |
NPSHr (required) is normally specified by the pump manufacturer. Hence, NPSH calculation usually refers to the calculation of available NPSH...
Spiral heat exchangers are very basic in their structure. They consist of two separate spiral chambers as shown in the schematic below. These two chambers...
Using EnggCyclopedia’s Liquid Viscosity Calculator, water viscosity at 250C =0.90 cP
Using EnggCyclopedia’s Vapor Pressure Calculator, water vapor pressure...
The term superheat corresponds to the excess heat given to saturated steam to increase its temperature beyond dew point or saturation temperature of steam at...
As the name suggests, the pressure profile in atmospheric distillation unit is close to the atmospheric pressure with highest pressure at the bottom stage...
