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
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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
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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