1. PNEUMATIC
INTRODUCTION TO
Aditya@poltekom.ac.id

2. Definition
• Pneumatic is a system / tools that is worked
basically using the air pressure / air flow
• Therefore the force / work / displacement
generated based on the general law of air
pressure and flow
• Pneumatic is an actuator using the air
pressure as their source of power

3. Comparison
Pneumatic Electric
Air pressure
Directional valve
Slow
strong
Electric current
Transistors
Fast
Weak
Power source
Controller component
Signal delivery
Energy conversion

4. Comparison
Pneumatic Electric
Cylinders
Directional valve
Logic valves
Button valve
Air pressure
Motors, linear motor
Transistors/contactors
Op amps
Button / switch
Battery

6. WORKING ELEMENTS / ACTUATING DEVICES
Single / double acting cylinder

7. SINGLE ACTING CYLINDER
Forcible surface
Air pressure port
/ supply port
Pressurized
chamber
DEpressurized chamber
Exhaust port /
waste port
Spring return

8. Forcible surface
Air pressure port
/ supply port
SINGLE ACTING CYLINDER

9. Forcible surface
Air pressure port / supply port
+ Exhaust port / waste port
Pressurized
chamber
DEpressurized chamber
Spring return
DOUBLE ACTING CYLINDER
Air pressure port / supply port
+ Exhaust port / waste port

10. Forcible surface
DOUBLE ACTING CYLINDER
Air pressure port / supply port
+ Exhaust port / waste port
Air pressure port / supply port
+ Exhaust port / waste port

11. CONTROL ELEMENTS / ACTUATING DEVICES
Logic Valves / Directional valves

12. Two pressure valve

13. Shuttle valve

14. M/n valves
M : Number of ports
N : Number of direction set / position

15. Valve nomenclature

16. Port designation (ISO-5599-3)

17. Actuation option

18. Actuation option

19. Actuation option

20. Actuation option

21. Non return valves

22. Linear actuators

23. Non return valves

24. Single acting direct actuating

25. Double acting direct actuating

26. Component designation

27. Component designation

28. System circuit diagram