| Name | Description |
|---|---|
| All geo || No pressure loss due to friction | |
| All geo || Linear pressure loss || Nominal pressure difference | |
| All geo || Quadratic pressure loss || Nominal pressure difference | |
| Generic pressure loss models for type L3 models | |
| All geo || L3 || No pressure loss | |
| All geo | L3 | linear | parallel zones | nominal point | |
| All geo | L3 || linear | serial zones | nominal point | |
| All geo | L3 | quadratic | parallel zones | nominal point | |
| VLE || PL Base Class | |
| Medium independent || No pressure loss due to friction | |
| Medium independent || Linear PL with const. PL coeff | |
| Medium independent || Nominal point, property independent |