Don Bosco Technological Institute JACOB PAO ELT2JACOB PAO ELT2 INSTRUMENTATION TECHNOLOGY-2019 Pneumatics & Hydraulics 13 Diagrams with Pictorial Connections
1. Circuit Diagram of Pneumatic System
1V1 1A 1S3 1S2 1S1 1V2 0S 0Z
2. Circuit Diagram of Component Designation
1A 0S 0Z 1S1 1V1 1V2 1V3 1V4 1S2 1S3
3. Direct and Indirect Actuation.
4. Dual-Pressure Valve (AND Function)
1A 1V1 1S1 P 1V2 0S 0Z
5. Shuttle Valve (OR Function)
1S1 1V1 1A 1V2 1S2 0S 0Z P
6. Speed Control Valve
1S1 1A 1V31V2 1V1 1S2 0S P
7. Quick Exhaust Valve
1A 1V3 1V2 1V1 1S2 1S1 0Z P
8. Pressure Sequence Valve.
9. Time Delay-Valve.
1A 1V2 1V3 1V5 1V4 1V1 0S 0Z 1S1 1A P
10. Overlapping Signals
1S3 1S1 P 1V1 2V 0S 1A 1V2 0Z 2S2 1S2 2A 2S1
11. Coordinate Motion
2A 1A 1S2 1S3 2S1 2S2 0Z 0S 1S1 1V1 1V2 2V
12. Roller Lever With Iddle Return
1A 2A 0Z 0S 1S1 1S2 1S3 2S1 2S2 1V1 1V2 2V
13. Circuit Diagram of Reversing Valve
1S1 1A 1V 1S2 1S3 2A 2S2 2V 0V 0S P