Five-Port / Four-Way Directional Valve
Four-way valves are also available with five external ports, one pressure port, two
actuator ports, and two exhaust ports. Such valves provide the same basic control of
flow paths as the four-ported version, but have individual exhaust ports. In the fluid
power field this is referred to as a "five-ported, four-way valve." This type of valve
brings all flow paths to individual external ports. The pressure port is connected to
system pressure after a regulator. Actuator ports are connected to inlet and outlet
ports of a cylinder or motor. Each exhaust port serves an actuator port.
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