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Introduction to PneumaticComponents
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Introduction to Pneumatic Components
Compressor Receiver Accumulator
Service UnitDirectional
ControlValve
Actuator
Block Diagram of the BasicPneumatic System
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The Pneumatic Cylinder or
Linear Actuator
Speed Valve
Piston and RodClevis
One Touch Quick
Connect Fitting
Cylinder BodyPneumatic
Mounting Bracket
Cylinder Force = Pressure x Piston
Area
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Pressure Regulator
Pressure Adjusting
Knob*Pull out before turning
*Push in to lock*Turn Clockwise
to Raise
Pressure.
Pressure Gauge0-150 psi0-1 MPa
Air FlowDirectional
Arrow
Lower Pressure Settings
Means Less Air Consumption
High Pressure
Inlet
Controlled Pressure Side
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Pressure Regulator
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Note: Be certain toverify the direction of
air flow through the regulator.
The incoming air (from
The 3 Way Valve)
Enters the port marked with an arrow.
Pressure Regulator
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3/2 Way Solenoid Valve
Solenoid Wires
Exhaust Port E
Pressure Port
P1
From Regulator
ActuatorPort A2
Valve Body
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One Touch Quick Connectors
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3 Way Valve
Finger KnobShown in Off Position
Outlet PortTo Regulator
Inlet PortFrom Reservoir
Direction Arrow
On Valve Body
Three Operational States or
Modes
OFF Vent On
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Pneumatic Component Connections
Double Acting Cylinder
3/2 WaySolenoid
Valve
Pressure
Regulator
3 Way
Valve
Compressed
Air
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Pneumatic DiagramsUsing Graphic Symbols to IllustrateBasic Circuit Designs
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3/2 Way
Solenoid
Valve
Regulator
Pneumatic Components
Single Acting Pull Type
Cylinder and Speed Valve
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Pneumatic Component
Symbols
3/2 Way
SolenoidValve
Regulator
Single Acting Pull Type
Cylinder and Speed Valve
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A B
PEA EB
5/2Way Solenoid
ValveNote: The center portwith the brass One
Touch Fitting is the
supply or pressureport.
5/2 Way SolenoidValve
Symbol
Solenoid
Valve Body
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5/3 Way Solenoid ValveUsed on Double Acting Cylinders
The Solenoid Operates Like a Linear Pneumatic Motor
1. Wire coil (red) is energized
2. The electromagnetic field, draws the
iron armature (blue) into the solenoid
3. The valve spool (green)
moves with the iron armature
Solenoid
ValveSpool
Springs return valve
spool to rest position
AB
PEB EA
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A B
PEA EB
5/2 Way Solenoid ValveUsed on Double Acting Cylinders
5 Ports, 2
Positions
The 2 Dark Blocks Represent the Two
Possible Valve Positions
Solenoid
At Rest
Position
Solenoid
Energized
Position
B Pressurized : A Exhausted (rest)
A Pressurized : B Exhausted (energized)
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A B
PEA EB
5/2 Way Solenoid ValveUsed on Double Acting Cylinders
5 Ports, 2
Positions
Return Spring Symbol
Indicates the Rest
Position
Actuator Symbol with
a Diagonal Line
Indicates Solenoid
Operation
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A B
PEA EB
5/2 Solenoid ValveUsed on Double Acting Cylinders
5 Ports, 2
Positions
Letters A and B Indicate
the Output Port
Connections for the
Pneumatic Actuators
The Arrow Symbols
Indicate the Direction
of Gas Flow Through
the Valve
EA and EB
are ExhaustPorts. P is the
Gas Supply
Port
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EAEB P
AB
A B
PEA EB
5/2 Valve5 Ports 2
Positions
5/3 Valve5 Ports 3 Positions
Can You Explain theDifference?
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Pictorial Drawing of a 5/3 Way Valve
and Double Acting Cylinder
PEB EA
ABNote: At Rest, Ports A
and B are Exhausted P
is Closed
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Mini Pneumatic CircuitsCompressed Air
Regulator
3/2 Way
Valves
Pneumatic Cylinders with
Speed Valves