Hydraulics ppt on content types of volves

Hydraulics

1. HYDRAULIC CIRCUIT
DESIGN AND ANALYSIS
1chapter 4

2. Control of a single-Acting hydraulic
cylinder
2chapter 4

3. Control of a double-acting
hydraulic cylinder
chapter 4 3

4. Pump – Unloading Circuit
4chapter 4

5. Regenerative cylinder circuit
chapter 4 5

6. Regenerative cylinder circuit
chapter 4 6

7. Drilling Machine Application
chapter 4 7

8. Double-Pump Hydraulic System
chapter 4 8

9. Counter balance Valve Application
chapter 4 9

10. Hydraulic cylinder Sequencing
Circuit
chapter 4 10

11. Automatic cylinder reciprocating
system
chapter 4 11

12. Locked cylinder using pilot check
valves
chapter 4 12

13. Cylinder Synchronizing Circuits
Cylinders connected in parallel
chapter 4 13

14. Cylinders connected in Series
chapter 4 14

15. Fail-safe circuit
chapter 4 15

16. Speed control of a hydraulic
cylinder
Meter-in speed control
chapter 4 16

17. Meter-in extension and retraction
chapter 4 17

18. Meter-out speed control of
hydraulic cylinder
chapter 4 18

19. Meter-out extension and retraction
chapter 4 19

20. Speed Control of a Hydraulic motor
chapter 4 20

21. Accumulators
chapter 4 21
1.
2.
3.
Weight-loaded, or gravity, type (dead weight)
Spring-loaded type
Gas-loaded type (Hydro-pneumatic)

22. Weight-loaded Accumulator
chapter 4 22

23. Spring loaded Accumulator
chapter 4 23

24. Gas-loaded Accumulators
chapter 4 24
1.
2.
Non separator
type
Separator type

25. Non separator type Accumulator
chapter 4 25

26. Separator type Accumulators
chapter 4 26
1.
2.
3.
Piston type
Diaphragm type
Bladder type

27. Piston Accumulator
chapter 4 27

28. Diaphragm Accumulator
chapter 4 28

29. Working of a diaphragm type
accumulator
chapter 4 29

30. Bladder Accumulator
chapter 4 30

31. Bladder Accumulator
chapter 4 31

32. Operation of bladder-type
accumulator
chapter 4 32

33. APPLICATION OF ACCUMULATORS
Accumulator as an Auxiliary Power
source
chapter 4 33

34. Accumulator as a leakage
Compensator
chapter 4 34

35. Accumulator as an Emergency Power
source
chapter 4 35

36. Accumulator as a Hydraulic Shock
Absorber
chapter 4 36