Solenoid , pneumatic and manual valves

Solenoid and pneumatic valves are used in both pneumatic and hydraulic distribution systems, most commonly in seat valve or spool configurations. It is used to control pneumatic cylinders. The valves have different functions such as 5/3, 3/2, 5/2 and can be electrically operated. The most common solenoid valves are two-way, two-position seat valves that simply open and close to allow flow when their coil is energized. However, we offer many more designs, just use the subcategories of our e-shop or read more in the advisory "How to choose the right valve".

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Schematic valve markings

each valve position is symbolized by its own square, in which the connection of inlets, outlets and outlets in that position is drawn
(i.e.: if the mark contains 2 squares, it is a 2-position valve, if it contains 3 squares, it is a 3-position valve, etc.)
numbering or lettering of connections is always at the square symbolizing the basic position
arrows connecting the connections indicate the direction of air flow, if the arrows are on both sides, the valve can be used for flow in both directions
the air inlet and outlets are usually placed on the lower side of the square, the outlets from the valves are placed on the upper side of the square
symbols are placed on the side of the square to indicate the method of switching between positions, with the fact that whichever square is drawn becomes active when the signal arrives (as if it had moved to the place of the square of the basic position)

Methods of switching between valve positions
	valve return by spring	lever
	coil, electric control	lever with detent
	pneumatic signal	pedal
	electromagnetic signal	pedal with detent
	boletus	allusion
	mushroom with arrest	pulley
	button	hinged pulley

Examples of valve brands

On this mark we see 2 squares, so it is a two position valve. The marker shows outlets 2 and 4 (top), outlets 3 and 5 and inlet 1 (bottom). There are 5 ways in total, so it is a 5/2 valve. The numerical designation of the connections is at the right square, so this is the basic position of the valve. In this ; position, air from inlet 1 goes to outlet 2, while outlet 4 is connected to exhaust 5. Exhaust 3 is closed. On the left side of the symbol is the pulley control, so it is a mechanically operated valve. When the pulley is actuated, the valve is repositioned according to the left square (adjacent to the pulley symbol). In the second position, inlet 1 is connected to outlet 4 and in turn outlet 2 is connected to vent 3, outlet 5 is now closed. By pressing the pulley, outputs 2 and 4 are therefore switched. There is a spring on the right side of the symbol, which means that the valve returns to the base position independently, using a mechanical spring.

The second example shows a two-position valve again. At the basic position we see the numerical markings 1-inlet, 2-outlet and 3-outlet. So it is a three-way valve (signals 12 and 10 are not included in the paths). In the basic position the inlet is closed and the outlet is connected to the exhaust. Signal 12 (arrow indicates air signal) from the left side moves the valve to the position according to the left square, i.e. the input is connected to output 2 (therefore the signal is marked 12 = 10 + 2). After the signal 12 has disappeared, the valve remains outside the basic position (bistable function) and stays there until the signal 10 comes from the right, which activates the basic position (10 = 10 + 0 i.e. closes the valve). You can still see the miniature button symbols on the sides.
This is a representation of the so-called auxiliary manual control and the valve can be repositioned in an emergency, e.g. with a screwdriver.

Marking of connection threads

On valve labels or schematic markings, you will often find letter or number designations for the individual connection threads. What do these markings mean? They describe whether it is an inlet, outlet, outflow or control connection. In practice, both markings are possible, but the more modern marking is by numbers.

Marking of connection threads
Number	Letter	Importance
1	P	air supply
2, 4, 6 and other even numbers	A, B, C...	outputs from the valve
3, 5, 7 and other odd numbers	R, S, T...	vent chambers of the valve
10 + a number (10, 12, 14...)	X, Y, Z	control signal (in the numeric marking, the second digit denotes the output that is activated by the signal e.g. 14 means that the signal lets air in at output 4, the number 10 indicates that the valve is closed )

Main types of valves:

electromagnetic valves
solenoid valves
pneumatically operated valves
manually operated valves
foot valves

The most important parameters for valve selection:

function
threaded connection
work pressure
working temperature
brightness
flow
power input of the coil

*Today's complex valves are not just about the open and close function. The function diagrams we add to each product photo will help you choose.

You may still find it useful when choosing automation technology:

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Code: 034063

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222 items total

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74 Kč excl. VAT

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Connector type A12209 for ASA12 spools for A1 valves in 1/8", 1/4" and 1/2" sizes. Standard design without cable and led indication.

Code: 032118

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Pedal valve ACP05132C

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1 Kč excl. VAT

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Code: 033175

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Code: 032100

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1 566 Kč excl. VAT

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Code: 034063

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724 Kč excl. VAT

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(4 pcs)

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Solenoid valve A1E450

(2 pcs)

5 902 Kč excl. VAT

7 141 Kč / pcs

Solenoid valve A1E with 1/2" connection threads in 5/2 coil/spring version, auxiliary pressure supply with flow rate 2 900 Nl/min and DN 15 mm clearance. Coil ASA12 and...

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Solenoid valve A1K270

(1 pcs)

3 974 Kč excl. VAT

4 808 Kč / pcs

Solenoid valve A1E with connection threads 1/4" in 5/3 middle position closed, auxiliary pressure supply with flow rate 1 100 Nl/min and clearance DN 8 mm. Coil ASA12 and...

Code: 034037

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Solenoid valve A1K451

(1 pcs)

7 640 Kč excl. VAT

9 245 Kč / pcs

Solenoid valve A1E with 1/2" connection threads in 5/2 coil/coil version, auxiliary pressure supply with flow rate 2 900 Nl/min and DN 15 mm clearance. Coil ASA12 and connector...

Code: 034140

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Solenoid valve ISO2E51

(1 pcs)

4 134 Kč excl. VAT

5 002 Kč / pcs

ISO2 solenoid valve in 5/2 coil/coil version for ISO 2 plates. ASA2 coil, A18209 connector and SBA2 base plates are not included. Order separately. Valve clearance 15 mm with a...

Code: 032050

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Solenoid valve ISO2E70

(3 pcs)

4 678 Kč excl. VAT

5 660 Kč / pcs

Solenoid valve ISO2 in 5/3 version, middle position closed for ISO 2 plates. ASA2 coil, A18209 connector and SBA2 base plates are not included. Order separately. Valve clearance...

Code: 032051

5 958 Kč –5 %

Solenoid valve ISO2E72

(1 pcs)

4 678 Kč excl. VAT

5 660 Kč / pcs

ISO2 solenoid valve in 5/3 medium pressure position for ISO 2 plates. ASA2 coil, A18209 connector and SBA2 base plates are not included. Order separately. Valve clearance 15 mm...

Code: 032055

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Solenoid valve NAMUR A1NE232

(10 pcs)

2 749 Kč excl. VAT

3 326 Kč / pcs

Solenoid valve with NAMUR connection in 3/2 coil/coil design. Neither the ASA12 coil nor the 1A12209 connector are included. Must be purchased separately. Electrical input power...

Code: 034060

2 509 Kč –4 %

Solenoid valve NAMUR A1NE250

(4 pcs)

1 970 Kč excl. VAT

2 384 Kč / pcs

Solenoid valve with NAMUR connection in 5/2 coil/spring design. Neither the ASA12 coil nor the 1A12209 connector are included. Must be purchased separately. Electrical input...

Code: 034057

1 367 Kč –4 %

Pneumatic valve A1P230

(3 pcs)

1 074 Kč excl. VAT

1 299 Kč / pcs

A1P pneumatic valves with 1/4" threads in 3/2 NC version with 8 mm clearance and flow rate of 1 100 l/min. For stand-alone or battery mounting, use A1B2 base plates. Control of...

Code: 034027

A12209T ASA2 konektor civka ventil valve conector api vzduch automatizace electric 2 (1)

Tip Original parts

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Connector for coils ASA12 - A12209T - LED 24 V AC-DC

(7 pcs)

360 Kč excl. VAT

436 Kč / pcs

Connector type A12209T for ASA12 spools for A1 valves in 1/8", 1/4" and 1/2" sizes. Connector with LED, transparent, 24 V AC-DC.

Code: 032204

1 846 Kč –4 %

Solenoid valve A1E130

(5 pcs)

1 450 Kč excl. VAT

1 754 Kč / pcs

A1E solenoid valve with 1/8" connection threads in 3/2 NC version with flow rate 650 Nl/min and DN 6,5 mm clearance. Coil ASA12 and connector A12209 are not included. For...

Code: 034003

1 846 Kč –4 %

Solenoid valve A1E131

(1 pcs)

1 450 Kč excl. VAT

1 754 Kč / pcs

A1E solenoid valve with 1/8" connection threads in 3/2 NO version with flow rate 650 Nl/min and DN 6,5 mm clearance. Coil ASA12 and connector A12209 are not included. For...

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2 770 Kč –4 %

Solenoid valve A1E132

(23 pcs)

2 175 Kč excl. VAT

2 632 Kč / pcs

A1E solenoid valve with 1/8" connection threads in 3/2 coil/coil version with flow rate 650 Nl/min and DN 6,5 mm clearance. Coil ASA12 and connector A12209 are not included. For...

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3 001 Kč –5 %

Solenoid valve A1E151

(4 pcs)

2 356 Kč excl. VAT

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A1E solenoid valve with 1/8" connection threads in 5/2 coil/coil version with flow rate 650 Nl/min and DN 6,5 mm clearance. Coil ASA12 and connector A12209 are not included. For...

Code: 034021

2 183 Kč –4 %

Solenoid valve A1E231

(13 pcs)

1 714 Kč excl. VAT

2 074 Kč / pcs

Solenoid valve A1E with connection threads 1/4" in 3/2 NO version with flow rate 1 100 Nl/min and clearance DN 8 mm. Coil ASA12 and connector A12209 are not included. For...

Code: 034040

4 507 Kč –5 %

Solenoid valve A1E271

(2 pcs)

3 538 Kč excl. VAT

4 281 Kč / pcs

Solenoid valve A1E with connection threads 1/4" in 5/3 middle position vented with flow rate 1 100 Nl/min and clearance DN 8 mm. Coil ASA12 and connector A12209 are not...

Code: 034133

2 119 Kč –5 %

Solenoid valve A1K130

(1 pcs)

1 664 Kč excl. VAT

2 013 Kč / pcs

Solenoid valve A1E with 1/8" connection threads in 3/2 NC version, auxiliary pressure supply with flow rate 650 Nl/min and DN 6,5 mm clearance. Coil ASA12 and connector A12209...

Code: 034006

2 457 Kč –5 %

Solenoid valve A1K230

(4 pcs)

1 929 Kč excl. VAT

2 334 Kč / pcs

Solenoid valve A1E with connection threads 1/4" in 3/2 NC version, auxiliary pressure supply with flow rate 1 100 Nl/min and clearance DN 8 mm. Coil ASA12 and connector A12209...

Code: 034039

3 742 Kč –5 %

Solenoid valve ISO1E50

(22 pcs)

2 938 Kč excl. VAT

3 555 Kč / pcs

ISO1 solenoid valve in 5/2 coil/spring design for ISO1 plates. ASA2 coil, A18209 connector and SBA1 base plates are not included. Order separately. Valve clearance 8.5 mm with a...

Code: 032020

2 535 Kč –4 %

Solenoid valve NAMUR A1NE230

(2 pcs)

1 991 Kč excl. VAT

2 409 Kč / pcs

Solenoid valve with NAMUR connection in 3/2 NC version. Neither the ASA12 coil nor the 1A12209 connector are included. Must be purchased separately. Electrical input power 3 W...

Code: 034059

Original parts

1 122 Kč –4 %

Base plate for separate connection of valve ISO2 - SBA2S

(1 pcs)

881 Kč excl. VAT

1 066 Kč / pcs

SBA2S base plate under ISO2 valve for separate valve connection. Suitable for separate mounting of ISO2 pneumatic and electro-pneumatic valves.

Code: 032200

acp0405p nozni ventil vzduch pedal automatizace

599 Kč –5 %

ACP0405P Pedal Protective Cover

(1 pcs)

470 Kč excl. VAT

569 Kč / pcs

Yellow pedal guard for foot valves in 3/2 and 5/2 versions with or without locking, Materials used : plastic

Code: 033179

More products

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Brands

Arrest

Connecting

Controls

Flow

Functions

Solenoid , pneumatic and manual valves

Schematic valve markings

Methods of switching between valve positions

Examples of valve brands

Marking of connection threads

Marking of connection threads

Main types of valves:

The most important parameters for valve selection:

You may still find it useful when choosing automation technology:

Bestsellers

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Solenoid , pneumatic and manual valves

Schematic valve markings

Methods of switching between valve positions

Examples of valve brands

Marking of connection threads

Marking of connection threads

Main types of valves:

The most important parameters for valve selection:

You may still find it useful when choosing automation technology:

Bestsellers