Basic Hydraulic Spool Valve Cutaway Model
thingiverse
Rudimentary Hydraulic Directional Control Valve Example Created for Hydraulic Training as an Alternative to $1100 Professional Cutaway Valves. This model is a 3-position, 4-way, Closed-Center, Directional Control Valve with spring return-to-center functionality. At center, the P (Pump) port is closed. A & B (Work) ports are connected together in this position. Moving right connects P to the A port. The B port dumps to T (Tank). Moving left connects P to the B port. The A port dumps to (T) (Tank). The design employs two small compression springs from Harbor Freight to center the spool.
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