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[ ppt ] Hydraulic Valves

Hydraulic Valves Download
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Topic under  Valve System
Source: www.clt.astate.edu 
File size: 206 KB
File type: ppt
Last download on: Sun May 20, 2018 04:55:49 PM
Short Desciption:
Obj 9. Five types of directional control valves. Check valves; Rotary Valves; Pilot Operated Poppet Valves; Electro-hydraulic Valves; Spool Valves

Summary:
1. State the function of a valve. 2. Describe the three types of valves. 3. List the four uses of pressure control valves. 4. Describe two types of relief valves, and their uses. 5. State the difference in cracking pressure and full-flow pressure. 6. Describe the two main types of pressure reducing valves. 7. State the function of a pressure sequencing valve. 8. State the function of unload valves. 9. List and describe the five types of directional control valves. 10. Explain the difference in a valve stack and a unibody valve. 11. List and describe two types of volume control valves. 12. List and describe the types of flow control valves. 13. List and describe the types of flow divider valves 14. Describe the proper procedures to follow before and during valves disassembly. Describe the proper procedures to follow in reassembly of valves. List and describe three ways valves can be actuated/operated. Identify six common valve symbols
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