WOLFRAM SYSTEM MODELER
    V43ClosedCenterPartial valve with four ports and three states  | 
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SystemModel["Hydraulic.Valves.DirectionalControl.Internal.V43ClosedCenter"]

| medium | 
         Value: Oil() Type: Medium Description: Medium in the component  | 
    
|---|---|
| V | 
         Value: 0.0001 Type: Volume (m³) Description: Volume of control valve  | 
    
| Gleak | 
         Value: 1e-020 Type: PressureDependentLeakage (m³/(s⋅Pa)) Description: Leakage between orifices  | 
    
| overlap | 
         Value: 0 Type: Length (m) Description: Spool overlap, a number between -1 and 1; 0 if no overlap  | 
    
| AMax | 
         Value: 0.001 Type: Area (m²) Description: Maximum opening area  | 
    
| Cd | 
         Value: 0.62 Type: Real Description: Coefficient of discharge for the opening  | 
    
| medium | 
         Type: Medium Description: Medium in the component  | 
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|---|---|---|
| volume_a | 
         Type: Volume Description: Fixed volume with fluid storage  | 
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| volume_b | 
         Type: Volume Description: Fixed volume with fluid storage  | 
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| volume_t | 
         Type: Volume Description: Fixed volume with fluid storage  | 
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| volume_p | 
         Type: Volume Description: Fixed volume with fluid storage  | 
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| rightState | 
         Type: CrossOver4Port Description: Basic building block for directional control valves  | 
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| leftState | 
         Type: Straight4Port Description: Basic building block for directional control valves  | 
    
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         Hydraulic.Valves.DirectionalControl.MechanicalActuation Mechanically actuated proportional valve with four ports and three states  | 
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         Hydraulic.Valves.DirectionalControl.HydraulicActuation Hydraulically actuated proportional control valve with four ports and three states  | 
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         Hydraulic.Valves.DirectionalControl.ProportionalSolenoidActuation Electrically actuated proportional control valve with four ports and three states  | 
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         Hydraulic.Valves.DirectionalControl.ConventionalSolenoidActuation Electrically actuated proportional control valve with four ports and three states  |