The scenario
A hydraulic circuit diagram for a mobile excavator's implement system, showing the primary flow path from pump to cylinder through a directional control valve, with a relief valve for pressure protection and a tank for fluid return.
What is in this drawing
Read the decisions behind it.
01
Selection of a 4-way directional control valve to control a double-acting cylinder
02
Inclusion of a relief valve to limit system pressure
Use this diagram as a basic template for hydraulic systems in mobile equipment where a fixed displacement pump supplies a single cylinder via a manual or solenoid-operated directional valve.
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