Valves 2

O B J E C T I V E S

Flow and Directional Control

• Describe what a non-adjustable orifice is and what it does.
• List three factors that affect throttled flow through a valve.
• Describe how a pressure-compensated flow control valve works.
• Describe how a temperature-compensated flow control valve works.
• Identify three different flow control circuits.
• Describe a bleed-off circuit and how it is used.
• Describe a meter-in circuit and how it is used.
• Describe a meter-out circuit and how it is used.
• Explain how a directional control sliding spool valve controls fluid direction in a hydraulic system.

Pressure Control

• Explain what a pressure reducing valve does and how it works.
• Explain what a relief valve does and how it works.
• Explain what a sequence valve does and how it works.
• Explain what a counterbalance valve does and how it works.

S U B J E C T S

Flow and Directional Control

• Flow Control Valves
• Flow Control Circuits
• Directional Control

Pressure Control

• Pressure Reduction and Relief
• Sequencing and Counterbalancing