
A solenoid valve is an electromechanical device used to control the flow of fluids, such as water, gas, or oil, through a pipeline. It is a type of valve that uses an electric current to open or close the valve mechanism. You can learn more in our comprehensive [guide here](https://uk.rs-online.com/web/content/discovery/ideas-and-advice/solenoid-valves-guide).

The solenoid valve consists of a coil, a plunger, and a valve seat. The coil is an electrical component that generates a magnetic field when an electric current is passed through it. The plunger is a movable component within the coil that is attracted or repelled by the magnetic field. The valve seat is the opening through which the fluid flows and is blocked or allowed based on the position of the plunger.

When the solenoid valve is energized by applying an electric current, the coil creates a magnetic field that pulls the plunger towards the valve seat, allowing the fluid to flow through the valve. When the electric current is turned off, the magnetic field dissipates, and a spring or other mechanism pushes the plunger back, closing the valve and stopping the flow of fluid.

### Applications for Solenoid Valves
- **Water Control**: Solenoid valves are extensively used in plumbing systems to control the flow of water. They are employed in faucets, showers, toilets, and other fixtures to enable automatic on/off control and water conservation. Solenoid valves allow for touchless operation in public restrooms, reducing the risk of cross-contamination.
- **Irrigation Systems**: Solenoid valves play a crucial role in automated irrigation systems. They control the flow of water to different zones in a garden or landscape, allowing for scheduled watering and efficient water distribution. Solenoid valves can be programmed to open and close at specific times or based on sensor inputs, ensuring proper irrigation management.
- **Water Filtration and Treatment**: Solenoid valves are used in water filtration and treatment systems to regulate the flow of water through different stages of the process. They control the opening and closing of valves to direct water through various filters, softeners, or disinfection units, ensuring effective water purification.
- **Water Heater Systems**: Solenoid valves are employed in water heater systems to control the flow of hot water. They regulate the inlet and outlet of hot water, ensuring proper temperature control and preventing overflows or scalding incidents.
- **Water Softeners**: Solenoid valves are integrated into water softening systems to control the flow of water during regeneration cycles. They allow for the precise timing and control of brine solution flow, facilitating the regeneration process for the water softener.
- **Dishwashers and Washing Machines**: Solenoid valves are found in dishwashers and washing machines to control the water supply. They open and close to allow water to enter the appliance during the appropriate cycle, regulating the water level and ensuring efficient operation.
- **Reverse Osmosis Systems**: Solenoid valves are utilized in reverse osmosis systems, which are commonly used for water purification. They control the flow of water through the membranes, ensuring the proper functioning of the filtration process.
- **Emergency Shut-off Systems**: Solenoid valves are incorporated into plumbing systems as emergency shut-off valves. In case of a leak or other emergency, these valves can be remotely or automatically closed to stop the flow of water and minimize damage.

>



Solenoid Valves

Valves & Taps

Plumbing & Pipeline

Electrical, Automation & Cables

Automation & Control Gear

Automation Signalling

Contactors & Auxiliary Contacts

Electric Motors

Industrial Robots

PLCs, HMIs & Industrial Computing

Process Control

Sensors

Solenoids

Cables & Wires

AV Cables

Cable Glands & Fittings

Cable Joints & Cable Sleeving

Cable Management

Cable Ties & Fixings

Computer Cables

Electrical Power & Industrial Cables

Networking & Coaxial Cables

Single Core Cable

Wire to Board Cables & Ribbon Cable

Enclosures & Server Racks

19-Inch Racking

Enclosures

Enclosures & Racking Components

Fuses & Circuit Breakers

Circuit Breakers

Earth & Lightning Protection

Fuse Holders & Accessories

Fuses

Fuses - PCB

HVAC, Fans & Thermal Management

Air Conditioning & Fans

Air Conditioning & Heating Accessories

Building Automation

Electronics Heating & Cooling Components

Fan Accessories

Lighting

Emergency Lighting & Safety Lighting

Light Bulbs, Lamps & Tubes

Light Fittings, Fixtures & Luminaires

Lighting Components

Torches & Inspection Lamps

Relays & Signal Conditioning

Relay Accessories

Relays

Signal Conditioners & Isolators

Switches

Capacitive, Magnetic and Piezo Switches

DIP & Rotary Encoded Switches

Domestic Installation Switches

Foot Switches & Components

Joysticks & Components

Key Switches & Selector Switches

Keyboard & Keypad Switches

Limit & Position Switches

Micro Switches & Detector Switches

Push Button Switches & Components

Rocker Switches & Components

Rope Pull Switches & Components

Rotary Switches & Components

Safety Enabling & Control Switches

Safety Interlock Switches & Components

Switch Disconnectors & Components

Toggle Switches & Slide Switches

Electronic Components, Power & Connectors

Batteries & Chargers

Battery & Charger Accessories

Battery Chargers & Power Banks

Non-Rechargeable Batteries

Rechargeable Batteries

Connectors

AV Connectors

Automotive Electrical Connectors

Backplane & Rack Connectors

Circular Connectors

IC Sockets & Adapters

Mains & DC Power Connectors

Network & Telecom Connectors

PCB Connectors & Wire Housings

Power Connectors

RF Coaxial Connectors & Adapters

Terminal Blocks

USB, D Sub & Computing Connectors

Wire Terminals & Splices

Displays & Optoelectronics

Display Modules

Fibre Optic Components

Indicators & Indicator Components

LED Lighting Components

LEDs - Light Emitting Diodes

Laser Modules & Components

Optocouplers & Photodetectors

ESD Control, Cleanroom & PCB Prototyping

ESD Control & Clean Room

PCB Etching, Preparation & Developing

PCB Handling

PCB Spacers, Pillars & Supports

PCB Tools

Prototyping Boards

Passive Components

Antennas

Capacitors

Crystals, Oscillators & Resonators

EMI Filters & Protection

Fixed Resistors

Inductors

Passive Components Kits

Rotary Encoders

Sounder, Buzzer & Microphone Components

Surge Protection Components

Variable Resistors

Power Supplies & Transformers

Power Supplies

Renewable Energy

Transformers

Voltage Converters

Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools

Arduino Shop

BBC micro:bit Shop

Development Tools & Single Board Computers

ROCK SBC Shop

Raspberry Pi Shop

STEM Education

Semiconductors

Amplifiers & Comparators

Audio & Video ICs

Chip Programmers & Debuggers

Clock, Timing & Frequency ICs

Communication & Wireless Module ICs

Data Converters

Discrete Semiconductors

Display Drivers & Controllers

Interface ICs

Logic ICs

Memory Chips

Power Management ICs

Processors & Microcontrollers

Programmable Logic ICs

Sensor ICs

Mechanical, Fluid Power & Tools

Access, Storage & Material Handling

Ladders & Steps

Material Lifting & Loading Equipment

Storage & Shelving

Transit & Equipment Cases

Trucks, Trolleys & Lifting Tables

Adhesives, Sealants & Tapes

Adhesive, Sealant & Tape Dispensers

Adhesives & Glues

Sealants & Resins

Tapes

Bearings & Seals

Gaskets, Seals & Packings

Linear Motion

Rotary Bearings & Housing Units

Engineering Materials & Industrial Hardware

Anti Vibration & Levelling Components

Carbon Fibre & Felt Sheets

Castors & Wheels

Ceramic Materials

Channel Support Systems

Conveyor Components

Insulation Materials

Knobs, Levers & Handles

Metal Materials

Plastic & Rubber Materials

Polishing & Finishing

Shim Stock

Structural Systems

Fasteners & Fixings

Clips & Springs

Girder Fixings

Magnets & Magnetic Strips

Nails & Rivets

Nuts & Washers

Pins, Keys & Retaining Clips

Screws & Bolts

Sheet Metal & Panel Fasteners

Spacers & Standoffs

Wall Plugs, Fixings & Anchors

Hand Tools

Cable, Connector & Crimping Tools

Clamps & Vices

Hammers & Demolition

Knives, Scissors & Saws

Manual Grease Guns & Accessories

Measuring & Marking

Pliers & Cutters

Sanding, Filing & Polishing

Screwdrivers, Hex & Torx Keys

Spanners, Sockets & Wrenches

Specialist Tools

Staplers & Riveters

Threading Tools

Tool Kits & Tool Storage

Mechanical Power Transmission

12V Solenoids

0 Products showing for 12V Solenoids

Popular Searches