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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Manually operated valve AM04132C

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Solenoid valve A1E452

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Base plate for separate connection of valve ISO2 - SBA2S

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Code: 032200

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ISO1 and ISO2 block adapter plate - SBA1A2

Code: 032160

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Blanking plate of one position ISO1 - SBA1T

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End plate for valve block ISO1 - SBA1A

Code: 032141

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Blanking end plate for valve block ISO1 - SBA1C

Code: 032140

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Manually operated valve - version 5/3, lever 90°, without lock, middle position closed with 1/4" threads. Working pressure 0 -10 bar, working temperature: -10 to +80 °C,...

Code: 034072

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A18209 connector

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Code: 032119

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Code: 032204

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1 074 Kč excl. VAT

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Code: 034091

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243 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. Connector with LED, transparent, 230 V AC-DC.

Code: 032206

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294 Kč / pcs

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Pedal valve ACP05132C

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Code: 033175

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470 Kč excl. VAT

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

Code: 033179

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Manually operated valve A1MA151LL

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Manually operated valve - version 5/2, 90° lever with locking. Working pressure 0 - 10 bar, working temperature: -10 to +80 °C, materials used: body - aluminium/acetal resin,...

Code: 034063

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Solenoid valve A1E131

(2 pcs)

1 450 Kč excl. VAT

1 754 Kč / pcs

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Code: 034004

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Solenoid valve A1E170

(3 pcs)

2 965 Kč excl. VAT

3 588 Kč / pcs

A1E solenoid valve with 1/8" connection threads in 5/3 middle position closed with flow rate 650 Nl/min and DN 6,5 mm clearance. Coil ASA12 and connector A12209 are not...

Code: 034031

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Pneumatic valve A1P130

(1 pcs)

826 Kč excl. VAT

1 000 Kč / pcs

A1P pneumatic valves with 1/8" threads in 3/2 NC version with a clearance of 6.5 mm and a flow rate of 650 l/min. For stand-alone or battery mounting, use A1B1 base plates....

Code: 034014

Original parts

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(80 pcs)

651 Kč excl. VAT

788 Kč / pcs

Connector type A12209 for ASA12 spools for A1 valves in 1/8", 1/4" and 1/2" sizes. Connector with LED and 2 m cable, black, 230 V AC-DC.

Code: 033524

7 517 Kč –5 %

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...

Code: 034114

3 501 Kč –5 %

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

2 073 Kč –4 %

Solenoid valve A1E150

(1 pcs)

1 628 Kč excl. VAT

1 970 Kč / pcs

A1E solenoid valve with 1/8" connection threads in 5/2 coil/spring design with flow rate 650 Nl/min and DN 6.5 mm clearance. Coil ASA12 and connector A12209 are not included....

Code: 034011

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

2 663 Kč –4 %

Manually operated valve A1MA251LL

(14 pcs)

2 091 Kč excl. VAT

2 530 Kč / pcs

Manually operated valve - version 5/2, 90° lever with locking with 1/4" threads. Working pressure 0 -10 bar, working temperature: -10 to +80 °C, materials used: body -...

Code: 034079

2 509 Kč –4 %

Solenoid valve NAMUR A1NE250

(1 pcs)

1 970 Kč excl. VAT

2 384 Kč / pcs

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Code: 034057

2 119 Kč –5 %

Solenoid valve A1K130

(1 pcs)

1 664 Kč excl. VAT

2 013 Kč / pcs

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Code: 034006

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Manually operated valve A1MA271LL

(4 pcs)

2 650 Kč excl. VAT

3 207 Kč / pcs

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Code: 034081

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Manually operated valve A1MA274LL

(2 pcs)

2 112 Kč excl. VAT

2 556 Kč / pcs

Manually operated valve - version 5/3, lever 90°, with locking middle position, vented with 1/4" threads. Working pressure 0 -10 bar, working temperature: -10 to +80 °C,...

Code: 034073

5 265 Kč –5 %

Solenoid valve ISO2E51

(1 pcs)

4 134 Kč excl. VAT

5 002 Kč / pcs

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Code: 032050

5 958 Kč –5 %

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

2 770 Kč –4 %

Solenoid valve A1E132

(23 pcs)

2 175 Kč excl. VAT

2 632 Kč / pcs

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3 001 Kč –5 %

Solenoid valve A1E151

(4 pcs)

2 356 Kč excl. VAT

2 851 Kč / pcs

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Code: 034021

2 478 Kč –5 %

Solenoid valve A1E250

(4 pcs)

1 945 Kč excl. VAT

2 354 Kč / pcs

Solenoid valve A1E with connection threads 1/4" in 5/2 coil/spring version with flow rate 1 100 Nl/min and clearance DN 8 mm. Coil ASA12 and connector A12209 are not included....

Code: 034111

a1b1 deska ventily automatizace api valce air vzduch tlak

Original parts

1 685 Kč –4 %

Base plate for mounting A1B105

(1 pcs)

1 323 Kč excl. VAT

1 601 Kč / pcs

A1B1 base plate for mounting A1 valves in 1/8" size. Number of positions: 5. Side connection 1/4". Suitable for battery mounting of A1 pneumatic and electro-pneumatic valves.

Code: 034044

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Solenoid valve A1E230

(1 pcs)

1 714 Kč excl. VAT

2 074 Kč / pcs

Solenoid valve A1E with 1/4" connection threads in 3/2 NC version with flow rate 1 100 Nl/min and DN 8 mm clearance. Coil ASA12 and connector A12209 are not included. For...

Code: 034025

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Pedal valve AVP230

(10 pcs)

3 340 Kč excl. VAT

4 042 Kč / pcs

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Code: 033127

1 535 Kč –4 %

Manually operated valve A1MA132LT

(7 pcs)

1 206 Kč excl. VAT

1 459 Kč / pcs

Manually operated valve - version 3/2, lever 180°, 2 positions with locking. Working pressure 0 - 10 bar, working temperature: -10 to +80 °C, materials used: body -...

Code: 034082

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

Login to your account

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