Q.1. Classify Control valves.
Ans : Numerous types of valves are used
in hydraulic systems for various functions, These valve are broadly
classified as below,
Classification based on function.
Pressure control valves.
Flow control valves
Direction control valves.
Classification based on Method of
actuation.
Directly operated valve
Pilot Operated valve
Manually actuated valve
Electrically actuated valves
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