17.11.03 No. 1 / 31© Festo Didactic – Training and Consulting Directional control valves - solenoid

Directional control valves

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Symbol development

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Ports and Positions

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Solenoid valves

The directional control valves used in electropneumatics are similar to those used in pure pneumatics. The only difference is that they are actuated by solenoids.

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Solenoids

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2/2-way single solenoid valve

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3/2-way single solenoid valve

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3/2-way single solenoid valve

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Pilot signal flow

ELECTRICAL SIGNALAPPLIED TOSOLENOID

SOLENOID ACTUATESPILOT VALVE

PILOT ACTUATESMAIN VALVE

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Pilot control

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3/2-way single solenoid valve with pilot control

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3/2-way single solenoid valve with pilot control

2

1 3

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3/2-way single solenoid valve with pilot control

2

1 3

Y1

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5/2-way single solenoid valve with pilot control

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way single solenoid valve with pilot control

2(B)

3(R)

1(P)

5(A)

4(S)

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5/2-way double solenoid valve with pilot control

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5/3-way double solenoid valve with pilot control

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5/3-way double solenoid valve with pilot control

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5/3-way double solenoid valve with pilot control

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5/3-way double solenoid valve with pilot control

5 3

4 2

5

4

1

3

2

5

4

1

3

2