In this video, I explained Classification of Control Valves.
Types of control valve
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Chapter : Hydraulic Pumps, Motors, Valves and Actuators
General Classification of Pump:
Reasons For Not Using Reciprocating Pump In Hydraulic Systems:
Reasons for Preferring Rotary Pumps in Hydraulic Systems:
Comparison Between PDP And NPDP:
Types of Gear Pump (External Gear Pump ,Internal Gear Pump, Lobe Pump, Ge -rotor Pump, Screw Pump):
Types Of Vane Pump (Unbalanced Vane Pump Balanced Vane Pump Variable Displacement Vane Pump):
Straight Axis Piston Pump:
Bent Axis Piston Pump:
Stationary Cylinder Radial Piston Pump Rotating Cylinder Radial Piston Pump:
Comparison between Gear Pumps, Vane Pump and Piston Pump:
Actuators – Hydraulic Motor:
Classification of Actuators:
Rotating Cylinders Type Linear Actuators:
Single Acting Cylinder:
Double Acting Cylinder – Construction – Working – Application:
Other Types of Linear Actuators – Diaphragm Cylinder – Double Rod End Cylinder – Telescopic Cylinder :
Cylinders With Cushioning:
Comparison Between Hydraulic Pump And Hydraulic Motor:
Limited Rotation Rotary Actuators – Vane Rotary Motor – Piston Type Rack and Pinion:

Rotary Actuators External Gear Motor – Internal Gear Motor-Lobe Type Motor – Generated Rotor Motor:
Rotary Actuators – Unbalanced Vane Motor – Balanced Vane Motor:
Rotary Actuators Straight Axis Piston Motor Bent Axis Piston Motor:

Rotary Actuators – Stationary Cylinder Radial Piston Motor – Rotating Cylinder Radial Piston Motor:
Cylinder Calculation – Hydraulic Cylinder Calculation – Pneumatic Cylinder Calculation:

Design Of Hydraulic And Pneumatic Cylinder:
Hydrostatic Transmission System:
Advantages And Disadvantages of Hydrostatic Transmission Systems:
Configurations And Control System of Hydrostatic Transmission Systems Configurations:
Difference Between A Hydrostatic And Hydrodynamic System:
Control Valve:
Classification of Control Valves:
Pressure Relief Valves:
Pressure Reducing Valves – Pressure Regulator:

Playlist of Hydraulic Pumps, Motors, Valves and Actuators:

Chapter : Circuit Design
Playlist link of full chapter Circuit design:

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Chapter : Oils, Fluid Properties and Filter:

Playlist of chapter Hydraulic Oils, Fluid Properties and Filter:
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Chapter : Introduction of hydraulic and pneumatic

Playlist of Chapter In Introduction of hydraulic and pneumatic: