|
Air
Preparation Units |
Pneumatic
Valves |
| Symbol |
Description
|
Symbol |
Description
|
 |
Filter/Separator
with manual drain |
 |
Check |
 |
Filter/Separator
with automatic drain |
 |
Flow Control |
 |
Oil Removal Filter |
 |
Relief Valve |
|
|
Automatic Drain |
 |
2-Position
2-Way |
 |
Lubricator
less drain |
 |
2-Position
3-Way |
 |
Lubricator
with manual drain |
 |
2-Position
4-Way |
 |
Lubricator
with automatic drain |
 |
2-Position, 4-Way
5-Ported |
 |
Air Line Pressure Regulator
adjustable, relieving |
 |
3-Position,4-Way
ported closed, center position |
 |
Air Line Pressure Regulator
pilot controlled, relieving |
 |
3-Position, 4-Way
5-Ported
cly. ports open to exhaust in center position |
 |
Filter/Regulator
(piggyback) Manual Drain Relieving
(With Gauge) |
 |
Quick Exhaust |
 |
Filter/Regulator
(piggyback) Auto Drain Relieving |
 |
Shuttle |
 |
Air Line Combo
F-R-L
simplified |
|
|
Valve Actuators |
Lines
& Functions |
| Symbol |
Description |
Symbol |
Description |
 |
Manual
general symbol |
 |
solid line-Main Line |
 |
Push Button |
 |
dashed line-Pilot Line |
 |
Lever |
 |
dotted line-Exhaust Or Drain
Line |
 |
Pedal Or Treadle |
 |
center line-Enclosure Outline |
 |
Mechanical
cam, toggle, etc. |
 |
Lines Crossing
(90° intersection not necessary) |
 |
Spring |
 |
Lines Joining
(90° intersection not necessary) |
 |
Detent
line indicates which detent is in use |
 |
Lines Joining |
 |
Solenoid |
 |
Flow Direction
hydraulic medium |
 |
Internal Pilot Supply |
 |
Flow Direction
gaseous medium
Energy Source |
 |
Remote Pilot Supply |
 |
Line With Fixed Restriction |
 |
And/Or Composite
solenoid and pilot or manual override |
 |
Line With Adjustable Restriction |
 |
And/Or Composite
solenoid and pilot or manual override and pilot |
 |
Flexible Line |
| |
|
 |
Plugged Port, Test Station,
Power Take-Off |
| |
|
 |
Connected
Quick Disconnect Without Checks |
|
|
 |
Disconnected
Quick Disconnect Without Checks |
| |
|
 |
Connected
Quick Disconnect With Checks |
|
|
 |
Disconnected
Quick Disconnect With Checks |
| |
|
 |
Connected
Quick Disconnect With One Check |
| |
|
 |
Disconnected
Quick Disconnect With One Check |
