An overview of the various types and designs of control valves typically encountered in an industrial hydraulic system.
An overview of the various types and designs of control valves typically encountered in an industrial hydraulic system.
Topics
- Control Valve Principles
- Valve families
- Seat and spool valve principles
- Mounting types
- Valve application and sizes
- Alternative valve mounting techniques
Overview of the types, design and operation of various pressure control valves
Overview of the types, design and operation of various pressure control valves
Topics
- Pressure Control Valves
- Overview
- Schematic symbols
- Direct operated pressure relief valves
- Pilot operated press relief valves
- Effects of back pressure
- Valve control options
- Comparison of direct and pilot operated pressure relief valves
- 2-way and 3-way pressure reducing valves
Operation and application of variable displacement pumps
Operation and application of variable displacement pumps
Topics
- Variable Displacement Pumps
- Power distribution - fixed vs. variable pumps
- Pressure compensated vane pump
- Variable displacement piston pump type A10V
- Pressure controller operation
Overview of the various types of multi-function valves used for motion control in hydraulic systems
Overview of the various types of multi-function valves used for motion control in hydraulic systems
Topics
- Multi-function Valves
- Overview
- Schematic symbols
- Internal and external piloting
- Internal and external draining
- Unloading valve operation
- Typical hi-low circuit using and unloading valve
- Sequence valve operation
- Typical sequence (clamp/drill) circuit
- Counterbalance valve
- Operation
- Internal vs. external pilot
- Load deceleration
- Internal and external piloted valves
Controlling flow in the hydraulic system
Controlling flow in the hydraulic system
Topics
- Flow Control Valves
- Graphic symbols
- Principles of operation
- Flow, area, pressure drop relationship
- Temperature compensation
- Throttle valves vs. flow control valves
- Upstream pressure compensator
- Flow control placement
An overview of the operation and applications of simple and pilot operated check valves.
An overview of the operation and applications of simple and pilot operated check valves.
Topics
- Simple check valve - function and operation
- Pilot operated check valve - function and operation
- Sandwich mounted pilot operated check valves
Directional control valve types, designs, operation and graphic symbols
Directional control valve types, designs, operation and graphic symbols
Topics
- Directional Control Valves
- Graphic symbols
- 2-way, 3-way and 4-way valves
- Actuators
- Valve construction
- Common spool types
- Fluidically operated valves
- Pilot operated vales
- Effects of spool leakage
Understanding the design, operation and function of hydraulic accumulators
Understanding the design, operation and function of hydraulic accumulators
Topics
- Hydraulic Accumulators
- Design and operation of hydropneumatic accumulators
- Energy storage via a gas
- Accumulator cycle
- Definition of pressure levels
- Importance of safety isolation manifold
- Checking precharge
- Working safely with hydraulic accumulators
Introduction and comprehensive overview of continuous control (proportional, high response/servo-solenoid and servo) valves
Introduction and comprehensive overview of continuous control (proportional, high response/servo-solenoid and servo) valves
Topics
- Continuous Control Valves
- Conventional control technology
- Definition of proportional
- Controlling speed
- Controlling (de)acceleration
- Controlling force and position
- Anatomy of a proportional valve
- Operation of a direct operated proportional directional valve
- Proportional control technology
- Valve families