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Fluid Power Symbols Hydraulic Lines Working Hydraulic Line Pilot Line Drain Line Flexible Line Lines Joining Lines Passing Flow Direction, Hydraulic.

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Presentation on theme: "Fluid Power Symbols Hydraulic Lines Working Hydraulic Line Pilot Line Drain Line Flexible Line Lines Joining Lines Passing Flow Direction, Hydraulic."— Presentation transcript:

1

2 Fluid Power Symbols

3 Hydraulic Lines Working Hydraulic Line Pilot Line Drain Line Flexible Line Lines Joining Lines Passing Flow Direction, Hydraulic Line To Tank (Above Fluid Level) 1 Line To Tank (Below Fluid Level)

4 Pumps Fixed Displacement, Unidirectional, Hydraulic Pump Fixed Displacement, Bi-Directional, Hydraulic Pump Variable Displacement, Non-Compensating, Unidirectional, Hydraulic Pump 2 Plug or Plugged Connection Fixed Restriction (Fixed Orifice)

5 Variable Displacement, Non-Compensating, Bi-Directional, Hydraulic Pump Variable Displacement, Pressure Compensated, Unidirectional, Hydraulic Pump Variable Displacement, Pressure Compensated, Bi-directional, Hydraulic Pump Fixed Displacement, Unidirectional, Rotary Hydraulic Motor Motors and Cylinders 3

6 Fixed Displacement, Bi-Directional, Rotary Hydraulic Motor Variable Displacement, Unidirectional, Rotary Hydraulic Motor Variable Displacement, Bi-Directional, Rotary Hydraulic Motor Limited Rotation Hydraulic Motor Single Acting Cylinder Double Acting Cylinder 4

7 Basic Valves Manual Shut off Valve Check Valve, Pilot Operated To Open Check Valve, Pilot Operated To Close Check Valve Single Flow Path Valve, Normally Not Passing Single Flow Path Valve, Normally Passing 5 Double End Rod Cylinder

8 Pressure Relief Valve Two Position, Multiple Flow Path Valve (Arrows Indicate Flow Direction) Open Center, Three Position, Directional Control Valve Closed Center, Three Position, Directional Control Valve Tandem Center, Three Position, Directional Control Valve Basic Valves II Float Center Three Position, Directional Control Valve 6

9 Unloading Valve, Internally Drained, Remotely Operated Adjustable Non- Compensated Flow Control Valve Deceleration Valve, Normally Passing Sequence Valve, Directly Operated, Externally Drained 7 Pressure Reducing Valve

10 Pressure Reducing and Relieving Valve Counter Balance Valve with Check Valve Temperature and Pressure Compensated Flow Control Valve with Check Valve 8 Pressure Compensator

11 9 Detent Manual Mechanical Pedal or Treadle Push Button Lever Pilot Pressure Solenoid Spring

12 10 Miscellaneous Hydraulic Symbols M Solenoid Controlled, Pilot Pressure Operated Servo Pressure Gage Temperature Gage Flow Meter Electric Motor Heat Engine (E.G. Internal Combustion Engine) Hydraulic Nozzle

13 11 Accumulator, Spring Loaded Accumulator, Gas Charged Accumulator, Weight Loaded Filter or Strainer Separator with Manual Drain Separator with Automatic Drain Filter – Separator with Manual Drain Filter – Separator with Automatic Drain

14 Dessicator (Chemical Dryer) Heater Cooler Temperature Controller Intensifier Pressure Switch Lubricator Without a Drain Lubricator With a Drain Pneumatic Symbols Flow Direction Pneumatic 12

15 Unidirectional Pneumatic Motor Bi-Directional Pneumatic Motor Pneumatic Compressor, Fixed Displacement Pneumatic Nozzle Muffler Venturi 13


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