Solenoid valves are used mainly in the heating, industry and automotive sectors. There are several types of valves, the smallest ones are controlled by computers or microcomputers. Solenoid valves are responsible for controlling and regulating the flow of liquid or gas, depending on what medium is in the system. The solenoid is the control element. When current flows through it, magnetic fields are generated and the valve position changes. We can distinguish between solenoid valves equipped with servo-assistance and direct acting devices. You should know, however, that in solenoid valves the medium can flow in one direction only, these are unidirectional devices. Solenoid valves are used in electronic projects, where pneumatic or hydraulic solutions are used. They are perfect for amateurs and already experienced electricians and robots.
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Waterproof probe with LM35DZ - 1m analog temperature sensor
Index: SES-04815
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Valves
Products: 11
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The NC (normally closed) solenoid valve allows you to control the fluid flow by opening the valve after applying 12 V to the connectors. The device is equipped with flat power...
Index: DNG-21689
Index: DNG-21689
Solenoid Valve 12V - 0,02-0,8MPa
The device supports the control of fluid flow using a computer or microcontroller. The valve is powered with the voltage of 12 V. The pressure range: 0.02 to 0.8 MPa....
Index: MOD-09452
Index: MOD-09452
DFRobot - 12V Solenoid Valve 1/2"
The enables the control of the liquid flow using a computer or microcontroller. The valve is supplied with the voltage of 12 V. It is closed to connect the power supply of 12...
Index: DFR-07423
Index: DFR-07423
Solenoid Valve 12V - 1/2'' 0,02-0,8MPa - 11mm spigot
The device allows you to control the flow of liquids using a computer or microcontroller. The valve is powered with 12 V . Stub: 11 mm.
Index: MOD-09448
Index: MOD-09448
ZigBee water consumption measuring valve - Tuya RTX ZVG2
Smart wireless valve with water consumption measurement function. The RTX ZVG2 valve for communication uses the ZigBee 3.0 standard, a dedicated Tuya gate is required for...
Index: REM-21502
Index: REM-21502
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Solenoid Valve 12V - 1/2'' 0,02-0,8MPa - angular
The device supports the control of fluid flow using a computer or microcontroller. The valve is powered with the voltage of 12 V.
Index: MOD-09450
Index: MOD-09450
Solenoid Valve 12V 0,02-0,08MPa- 1'' - DCF-HS1B
The device supports the control of fluid flow using a computer or microcontroller. The valve is powered with the voltage of 12 V.
Index: MOD-09449
Index: MOD-09449
Solenoid Valve 12V - 3/4'' - SparkFun ROB-10456
The device supports control of fluid flow using a computer or microcontroller. The valve is powered by a voltage of 12 V.
Index: SPF-01993
Index: SPF-01993
Solenoid Valve 12V - 0.02-0.8MPa with quickconnect
The device supports the control of fluid flow using a computer or microcontroller. The valve is powered with the voltage of 12 V. The valve has a quickconnector of 6 mm....
Index: MOD-09453
Index: MOD-09453
Solenoid Valve 12V - 1/2'' 0,02-0,8MPa
The device supports the control of fluid flow using a computer or microcontroller. The valve is powered with the voltage of 12 V.
Index: MOD-09447
Index: MOD-09447
Solenoid Valve Mini - 12V 0,04MPa
The device supports control of fluid flow using a computer or microcontroller. The valve is powered by a voltage of 12 V, maximum pressure is 0.04 MPa (0.4 bar).
Index: MOD-09456
Index: MOD-09456
Operating mechanism of the solenoid valve
Solenoid valves are electrically controlled using an electromagnetic field changing the position of the profession. The solenoid coil is of key importance for work efficiency. They are characterized by a simple design, which translates into high reliability of this element. The solenoid valves combine control mechanisms with additional electric actuators. Such a solution can be found, among others, in domestic central heating systems. The flow of medium in solenoid valves can be closed or open, taking place only in one direction. Therefore, the main valve and coil, which is an electromagnet, are the basic components of the solenoid valves. It can be available in different variants, which differ in voltage and size. As far as the main valve is concerned, its task is to control the medium flow.
Where are solenoid valves used?
The simple design and construction, as well as the functioning, make the solenoid valves ideal for a wide variety of projects, both more and less advanced. They have a versatile application and a wide range of uses. They are particularly common in refrigeration and heating installations, pneumatic systems and air compressors. Solenoid valves are also used in many devices and equipment that we deal with on a daily basis and use in frequently repeated activities at home, work and other areas of our lives. This applies, among others, to washing equipment and industrial washing machines. Solenoid valves are also used in coffee machines, food processing machines, compressors and boilers, dental and laboratory equipment. Furthermore, they are used in vacuum pumps, water and sewage systems and machines designed for moulding products made of plastics.
Solenoid valves for direct and indirect operation
Solenoid valves can be divided into several groups, including the most popular division which includes indirect and direct acting solenoid valves. When it comes to indirect action devices, i.e. servo-assisted devices, they are used wherever it is impossible to use a direct action valve due to medium pressure or pipe cross-section. This makes the solenoid valves suitable for use in industrial areas where a large flow of gas or liquid is observed. However, indirect acting solenoid valves have a lower service life. The opening and closing time is longer, so they are not the best choice for every project. Only direct-acting valves are suitable for electronic projects where special precision in medium dosing is required, i.e. gas or liquid.