Simbología De Neumática

Electrical, pneumatic and logic symbols

Energy conversion

Transfer of ener gy
Line Flexible line

Actuation methods Manual operation

Valves Directional control valves
2 (A) 2 (A) 1 (P) 2/2-way valve, normally open position 2 (A) 1 (P) 3 (R) 3/2-way valve, normally open position
4 (A) 2 (B)

Comparison of logic elements
Designation Function table E 0 1 A 0 1 Equation Symbol to DIN40900/12
E

Compressor

Constant displacement pump

Pressure source – pneumatic

Pressure source – hydraulic

General

Via push button

Via pull

Via lever

Via pedal

Representation to ISO 1219/1 pneumatic
A E A

Representation to DIN EN 60617-7 electrical
E A

Mechanical actuation
Variable displacement pump Vacuum pump Line connection Crossing line

1 (P) 2/2-wayvalve, normally closed position 2 (A) 1 (P) 3 (R) 3/2-way valve, normally closed position 2 (A) 1 (P) 3 (R) 3/3-way valve, mid-position closed 4 (A) 2 (B)

Identity

A=E

1

Negation

Closed exhaust port Pneumatic fixed displacement motor Pneumatic fixed displacement motor with two directions of flow

Silencer

Via stem

Via spring

Via roller

Air outlet without connectionfacility

Air outlet with connection facility

Roller lever in one direction only under tension

E 0 1

A 1 0

A=E

E

1

A E

A

E A

1 (P) 3 (R) 4/2-way valve

Or

Hydraulic motor, adjustable, with one direction of flow

Hydraulic motor, adjustable, with two directions of flow

Pressure connection point, closed

Rotary connection with one path

Actuated in initialposition

4 (A)

2 (B)

Pressure actuation
Direct via pneumatic actuation Via differential Spring centered pressure actuation

E1 E2 0 0 0 1 1 0 1 1

A 0 1 1 1

A=E1∨E2

E1 E2

≥1

A E1

A E1 E2 A E2

Pneumatic motor with restricted angle of rotation

Quick coupling, connected

Quick coupling with mechanically opening non-return valves, connected

1 (P) 3 (R) 4/3-wayvalve, mid-position closed 4 (A) 5 (R) 2 (B)

1 (P) 3 (R) 4/3-way valve, mid position working lines exhausted 4 (A) 5 (R) 2 (B)

And

Electrical actuation
Via solenoid with one active coil

E1 E2 0 0 0 1 1 0 1 1

A 0 0 0 1

A=E1∧E2

E1 E2

&

A E1

A

E1 E2 E2 A

Single-acting pneumatic cylinder, return movement via external force

Single-acting pneumatic cylinder, returnmovement via spring

Quick coupling, disconnected, Line open

Quick coupling, disconnected, line closed

Via solenoid, e. g. with two counteracting solenoids

3 (S) 1 (P) 5/2-way valve

3 (S) 1 (P) 5/3-way valve, mid-position closed

Inhibition

Directional control valve with intermediate switching positions and two end positions

E1 E2 0 0 0 1 1 0 1 1

A 0 0 1 0

A=E1∧E2

E1E2

&

A E2

A

E1 E2 A

E1

Double-acting pneumtic cylinder

Double-acting pneumatic cylinder with adjustable cushioning at both ends

Filter Shut-off valve (simplified representation)

Via electric motor with continuous rotation

Via electric stepper motor

Flow control valve
Implication
Flow control valve with constant restriction Flow control valve, adjustable, anyactuation

Double-acting pneumatic Telescopic hydraulic cylinder with through cylinder piston rod

Filter with water separator, manually operated

Filter with water separator, automatic

Combined actuation
Via solenoid and pilot valve Via solenoid or manual override and pilot valve

E1 E2 0 0 0 1 1 0 1 1

A 1 0 1 1

A=E1∨E2

E1 E2

≥1

A

A E1 E1 E2 A E2

2-way flow controlvalve

Flow divider

Nor

Pressure intensifier for two different media

Pressure medium converter

Cooler without volumetric flow lines to show flow direction of coolant

Cooler with volumetric flow lines to show flow direction of coolant

Via solenoid or manual operation

General explanatory symbol

Flow control valve, adjustable, mechanical actuation against spring

E1 E2 0...