XPSIM provides a rich number of modules for the simulation of unit operations. These modules are flexible, powerful and multi-purpose calculation units.
The following table contains a list of the most frequently used simulation operations
| Simulation Operation | Process Operation |
| COLUMN | distillation, multistage multi-component separations |
| COMPRESS | gas compressor |
| EXPANDER | gas/liquid expander |
| HEATCOOL | heating/cooling operations, heat balances |
| HEATEXCH | heat exchanger, also LNG heat exchanger |
| FLASH | flash-drum, equilibrium operations |
| PUMP | liquid pump |
| MIXER | streams mixer |
| VALVE | control valve |
| SPLITTER | streams splitter |
| COMPSEP | generic component separator |
| PIPELINE | multiphase transfer line |
| PIPE | simple single phase or mixed phase line |
| NODE | pipe network node |
| PSD | pressure safety devices |
| DEPRESS | vessel depressurization |
| REACTOR | chemical reactor |
| AIRHX | air-cooled heat-exchanger |
These simulation operations available in XPSIM are flexible, powerful and multipurpose calculation units. Each of the above listed operations may reproduce the operation of many different types of equipments.
This operation can be used to model: distillation columns, absorbers-stripper arrangements, topping and vacuum units
This operation provides full capabilities for the simulation of single and multiphase transport. Many two-phase flow correlations are available
This operation can calculate
- LNG heat exch.
- air coolers
- shell and tube hx
- furnaces
With this operation you can size or verify pressure safety valves or rupture disks on the basis of API-RP520