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The basic and most common functions of valves in a hydraulic system are to regulate the flow and pressure of liquids.

There are varieties of valves as per their functions such as:

Isolation valves, to open and close the system,

Flow control valves/Balancing valves, to co control the quantity of flowing liquid,

Pressure relief valve, to release the excess pressure from the system, etc.

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13y ago
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12y ago

Enormous forces can be produced in hydraulic systems. A pressure regulator, relives the pressure when it gets too high. Otherwise it can cause damage to pipe work, joints and seals.

Regulation can also be used to limit the speed of operation, to avoid shock to mechanical parts.

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11y ago

An hydraulic system is a high pressure system hence the pump provides this pressure needed to transfer the force.

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10y ago

because hydraulics is a cool word and needs candy cdane redness

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12y ago

control the flow of gasses or liquid in a pneumatic system

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Q: Why are pumps and valves are necessary in hydraulic systems?
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