Pneumatic Symbols

PNEUMATIC SYMBOLS

Air Prep Units

Pneumatic Valves

Valve Actuators

Filter/Separator with manual drain

Check

Manual General Symbol

Filter/Separator with automatic drain

Flow Control

Push Button

Oil Removal Filter

Relief Valve

Lever

Automatic Drain

2-Position, 2-Way

Pedal or Treadle

Lubricator less drain

2-Position, 3-Way

Mechanical Cam, Toggle, etc.

Lubricator with manual drain

2-Position, 4-Way 4-Ported

Spring

Lubricator with automatic filling

2-Position, 4-Way 5-Ported

Detent - Line indicates which detent is in use

Air Line Pressure Regulator adjustable, relieving

3-Position, 4-Way ports closed, center position

Solenoid

Air Line Pressure Regulator pilot controlled, relieving

3-Position, 4-Way, 5-Ported cylinder ports open to pressure in center position

Filter/Regulator (piggyback) Manual Drain Relieving (without gauge) Filter/Regulator (piggyback) Auto Drain Relieving Air Line Combo F-R-L simplified

Internal Pilot Supply

Remote Pilot Supply Quick Exhaust

Shuttle

And/Or Composite solenoid and pilot or manual override And/Or Composite solenoid and pilot or manual override and pilot

Industrial Supplies and Expertise

CH12_1069-1114.indd 1095

1095

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PNEUMATIC SYMBOLS

Lines & Functions

Lines & Functions

Main Line

Quick Disconnect without checks connected

Pilot Line

Quick Disconnect without checks disconnected

Exhaust or Drain Line

Quick Disconnect with checks connected

Enclosure Line

Quick Disconnect with checks disconnected

Lines Crossing

Quick Disconnect with one check connected Quick Disconnect with one check disconnected

Lines Joining

Flow Direction Hydraulic Medium Flow Direction Gaseous Medium

Energy Source

Line with Fixed Restriction Line with Adjustable Restriction

Flexible Line

Plugged Port, Test Station, Power Take-Off

1096

CH12_1069-1114.indd 1096

Call your local Applied® service center to order at 1-866-351-3464 or visit us online at Applied.com

4/9/07 2:34:50 PM