1. Don Bosco Technological Institute JACOB PAO ELT2JACOB PAO ELT2 INSTRUMENTATION TECHNOLOGY-2019 Pneumatics & Hydraulics 13 Diagrams with Pictorial Connections

2. 1. Circuit Diagram of Pneumatic System

3. 1V1 1A 1S3 1S2 1S1 1V2 0S 0Z

4. 2. Circuit Diagram of Component Designation

5. 1A 0S 0Z 1S1 1V1 1V2 1V3 1V4 1S2 1S3

6. 3. Direct and Indirect Actuation.

8. 4. Dual-Pressure Valve (AND Function)

9. 1A 1V1 1S1 P 1V2 0S 0Z

10. 5. Shuttle Valve (OR Function)

11. 1S1 1V1 1A 1V2 1S2 0S 0Z P

12. 6. Speed Control Valve

13. 1S1 1A 1V31V2 1V1 1S2 0S P

14. 7. Quick Exhaust Valve

15. 1A 1V3 1V2 1V1 1S2 1S1 0Z P

16. 8. Pressure Sequence Valve.

18. 9. Time Delay-Valve.

19. 1A 1V2 1V3 1V5 1V4 1V1 0S 0Z 1S1 1A P

20. 10. Overlapping Signals

21. 1S3 1S1 P 1V1 2V 0S 1A 1V2 0Z 2S2 1S2 2A 2S1

22. 11. Coordinate Motion

23. 2A 1A 1S2 1S3 2S1 2S2 0Z 0S 1S1 1V1 1V2 2V

24. 12. Roller Lever With Iddle Return

25. 1A 2A 0Z 0S 1S1 1S2 1S3 2S1 2S2 1V1 1V2 2V

26. 13. Circuit Diagram of Reversing Valve

27. 1S1 1A 1V 1S2 1S3 2A 2S2 2V 0V 0S P