Answer :
Final answer:
Sequence valves are used to control downstream pressure.
Explanation:
Sequence valves are most often used to control downstream pressure.
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Final answer:
Sequence valves are used to control downstream pressure in hydraulic systems, ensuring operations occur in a particular order, rather than replacing relief valves or protecting pumps.
Explanation:
Sequence valves are hydraulic components used within hydraulic systems to control the sequence of operations between two or more actuators. The primary function of a sequence valve is to control downstream pressure, ensuring that a predetermined pressure is reached in one part of the system before another part of the system begins to operate. They are not designed to replace a relief valve, as relief valves are used for over-pressure protection, nor are they typically used to avoid the cost of an electrical control circuit. Instead, sequence valves serve to regulate the flow of the hydraulic fluid to different parts of the system in a specific order, which is crucial for coordinated machine actions. Additionally, they do not protect the pump directly; the relief valve is typically responsible for that function.
