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  Solenoid Valve Common Symbols

Connexion Solenoid Valve symbols from the UK's premier UK solenoid valve suppliers
2/2 Valve; 2 Ports, 2 Positions
Connexion Solenoid Valve symbols from the UK's premier UK solenoid valve suppliers
3/2 Valve; 3 Ports, 2 Positions
Connexion Solenoid Valve symbols from the UK's premier UK solenoid valve suppliers
4/2 Valve; 4 Ports, 2 Positions
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
4/3 Valve; 4 Ports, 3 Positions
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
5/2 Valve; 5 Ports, 2 Positions
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
5/3 Valve; 5 Ports, 3 Positions
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Accumulator
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Air Dryer
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Air Motor (One Directional Flow)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Air Motor (Two Directional Flows)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Check Valve (Spring Loaded)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Compressor
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Cylinder -----(Spring Return)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Cylinder Double Acting
(Double Rod)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Cylinder Double Acting
(Single Fixed Cushion)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Cylinder Double Acting
(Two Adjustable Cushions)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Differential Pressure
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Direction of Flow
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Exhaust Line or Control Line
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Filters and Regulators
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Filter (Automatic Drain)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Filter (Manual Drain)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Fixed Restriction
 
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Flexible Line
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Flow Control Valve
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Flow Gauge
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Lever
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Lines Connected
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Lines Crossing
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Lubricator
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Muscular Control
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
One Bypass Flow Path and
Two Closed Ports
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
One Flow Path
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pedal or Treadle
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pilot Pressure (External)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pilot Pressure (Internal)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Plugged Port
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Plunger or Position Indicator Pin
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pneumatic
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pressure Actuated Electric Switch
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pressure Gauge
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pressure Regulator
(Adjustable, Non-Relieving)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pressure Regulator
(Adjustable, Self-Relieving)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Pushbutton
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Quick Acting Coupling
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Roller
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Roller (One-Way)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Shuttle Valve
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Silencer
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Single Square
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Solenoid and Pilot;
Manual Override and Pilot
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Solenoid (Single Winding)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Solenoid (Single Winding)
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Spring
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Two Closed Ports
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Two Distinct Positions and
One Transitory (Center) Position
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Two Flow Paths
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Two Flow Paths and One Closed Port
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Two Flow Paths with Cross Connection
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Vacuum Pump
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Variable Restriction
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
Working Line
Connexion
Leading the way
Forward
 Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers
 
Common Valve Symbols from Connexion Developments Ltd

The following symbols are generally in accordance with BS 1553-1...and BS 5070
Different Line Types.

Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers


Different Pipe Supports.

Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers


Symbols for Fitting and Representations.

Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers


Symbols for Valves

vConnexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers


Symbols for Valve Actuators.

Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers


Symbols for Instruments.

Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers

Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers

Instrument Indentifiers

Measured Variable Type of Conditioner Type of Component
F = Flow R = Recorder T = Transmitter
L = Level I = Indicator M = Modifier
P = Pressure C = Controller E = Element
Q = Quantity A = Alarm  
T = Temperature  

  Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers


Symbols for Process Equipment.

The level of detail for the equipment relates to the type of schematic being produced.   A Process Flow Sheet will only show the basic level of information sufficient to show the essential process flowpaths.   An Engineering Line Diagram of P & ID drawing will show a much more detailed representation.

Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers


Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers


 

 
Line Tags and Equipment Identification.
Connexion Solenoid Valve symbols from the UK's premier solenoid valve suppliers

Reading Pneumatic Schematic Symbols

5/2 Valve has 5 ports and 2 possible conditions

1.)    B is pressurized and A isexhausted.

2.)    A is pressurized and B isexhausted.

 

When the solenoid is NOT energized the B port ispressurized. The spring symbol defines the valve position at rest. 

The Block

The block symbolizesthe possible valve functions or positions. Example: A 5/2 valve schematic willbe illustrated with 2 blocks describing two valve functions or positions/ A 5/3valve schematic will show three blocks describing 3 possible valve functions.

The Actuator.

(Solenoid) Symbol

Pneumatic valves canbe operated in several ways. Hand operated (including levers and push and orpush pull buttons) : Air piloted (operated remotely by pneumatic signals) :Solenoid (directly actuated with electronic signals)

Exhaust Port Symbol

The invertedtriangle symbol Denotes an exhaust port. The letters EA indicate this is theexhaust port for the A circuit. Ebin turn indicated the exhaust port for the Bcircuit.

The Arrows

Thearrow symbols illustrate the direction of gasses flowing into and out of thevalve ports. Gas pressure is supplied from port P. Depending on which of thevalve blocks is in function, the gas is directed to port A or B as shown by thearrows.

The return spring

Thespring symbol defines the “at Rest” position of the solenoid valve. The spring“pushes” from the side it is drawn on and places the right side block diagramof the valve in function. 

The T Symbol

Thissymbol indicates that a port is closed and is neither passing or exhaustinggas.

Pressure of air supply symbol

This symbol indicates the air supply port, inaddition to this the letter P or the number 1 also indicated the air supplyport. 


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