| Name | Description |
|---|---|
| Linear | Nominal operation point | unchoked flow | |
| Quadratic | Kv definition | choked flow | compressible |EN60534 | |
| Quadratic | Kv definition | choked flow | incompressible |EN60534 | |
| Quadratic | Area and Kd/zeta definition | choked flow | compressible | |
| Quadratic | zeta definition | unchoked flow | incompressible | |
| Quadratic|Kv definition | subcritical flow | |
| Quadratic|Nominal operation point | subcritical flow | |
| Basic pressure loss model for three way valves | |
| | No Pressure Dependency | Opening Characteristics | Symetrical | | |
| | Quadratic Pressure Dependency | Flow Area Definition | Opening Characteristics | Symetrical | | |
| | Quadratic Pressure Dependency | Nominal Point | Opening Characteristics | Symetrical | | |
| Quadratic|Kv definition | supercritical flow | compressible |EN60534 | |
| Quadratic|Kv definition | supercritical flow | incompressible |EN60534 |