Hydraulics and Pneumatics: Unit II: Hydraulic Actuators and Control Components

directional control valves

Hydraulic Actuators and Control Components - Hydraulics and Pneumatics

Directional controls valves are used to determine the path of the fluid through which it should travel within a given circuit.

DIRECTIONAL CONTROL VALVES

Directional controls valves are used to determine the path of the fluid through which it should travel within a given circuit.

Directional control valves are shown by means of several connected squares.

Number of squares - Indicates the number of switching positions possible.

Arrow within square - Indicate the flow direction.

Lines - Indicate how the ports are inter-connected in the various switching positions.

Naming convention for valve: Number of ports / Number of switching positions "-way valve".

Example: 4/3 valve has 4 ports and 3 switching positions.

Table 7.3 presents the various standard symbols used for directional control valves.

Table 7.3. Graphic symbols used for directional control valves



Hydraulics and Pneumatics: Unit II: Hydraulic Actuators and Control Components : Tag: : Hydraulic Actuators and Control Components - Hydraulics and Pneumatics - directional control valves


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Hydraulics and Pneumatics

ME3492 4th semester Mechanical Dept | 2021 Regulation | 4th Semester Mechanical Dept 2021 Regulation