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Valves and Orifices

Variable-area components for fluid flow control

Use these blocks to model orifices, valves, valve actuators, and forces associated with valves and orifices in the isothermal liquid domain.

Simscape Blocks

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2-Way Directional Valve (IL)2-way flow control valve in isothermal systems
3-Way Directional Valve (IL)3-way flow control valve in an isothermal system
4-Way 2-Position Directional Valve (IL)4-way, 2-position directional valve in an isothermal liquid network
4-Way 3-Position Directional Valve (IL)4-way, 3-position directional valve in an isothermal liquid system
Check Valve (IL)Check valve in an isothermal system
Pilot-Operated Check Valve (IL)Check valve with pilot pressure control in an isothermal liquid system
Shuttle Valve (IL)One-way switching valve in an isothermal liquid system
Cartridge Valve Insert (IL)Cartridge flow-control valve in an isothermal liquid network
Counterbalance Valve (IL)High-pressure regulation valve in an isothermal liquid system
Gate Valve (IL)Gate valve in an isothermal liquid system
Needle Valve (IL)Needle valve in an isothermal liquid system
Poppet Valve (IL)Poppet valve in an isothermal liquid network
Pressure-Compensated 3-Way Flow Control Valve (IL)3-way flow control in an isothermal liquid system
Pressure-Compensated Flow Control Valve (IL)Flow control with pressure regulation in an isothermal liquid system
Pressure Relief Valve (IL)Pressure-relief valve in an isothermal system
Pressure-Reducing Valve (IL)Pressure-reducing valve in an isothermal system
Pressure-Reducing 3-Way Valve (IL)Combined pressure-relief and pressure-reducing valve in isothermal system
Pressure Compensator Valve (IL)Pressure-maintaining valve for external component in an isothermal system
Cartridge Valve Actuator (IL)Actuator that maintains equilibrium between valve and pilot pressures in an isothermal liquid system
Double-Acting Servo Valve Actuator (IL)Double-acting servo cylinder with spring-centered spool in an isothermal liquid system
Pilot Valve Actuator (IL)Single-acting or double-acting actuator controlled by a pilot pressure in an isothermal liquid network
Spool Orifice Flow Force (IL)Axial fluid force on spool orifice in an isothermal liquid system
Multiposition Valve Actuator Multiposition actuator in an isothermal liquid system
Proportional Valve ActuatorModels a power-controlled valve actuator in an isothermal liquid system
Annular Leakage (IL)Models annular leakage between a circular tube and a round insert in an isothermal flow
Orifice (IL)Constant-area or variable-area orifice in an isothermal system
Spool Orifice (IL)Variable-area spool orifice in an isothermal system
Variable Overlapping Orifice (IL)Orifice created by open segments with variable overlap in an isothermal system

Topics

Modeling Valves in Simscape Fluids

Selecting and parameterizing valves in Simscape Fluids.

Building a Custom Valve

Model a custom valve with orifice blocks.

Featured Examples