Hydraulic system components
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The hydraulic system comprises a crescent type gear pump, a centrifugally operated hydraulic governor and a control valve body assembly.
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Spool valves
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The valve body contains spool valves which can be positioned manually or by hydraulic pressure or by springs.
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Regulating or flow control valves
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Spool valves can be regulating valves or flow control valves. Regulating valves regulate fluid pressure in the system.
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Control valves
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Control valves are simple "gate" type valves which either open or close off a circuit with no alteration in pressure.
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Orifices
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Orifices can be used in hydraulic circuits to restrict fluid flow for timing purposes or to prevent valve fluctuations.
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