12V Solenoid Valve Coil (1/2 Inch)

The 12V Solenoid Valve Coil (1/2 Inch) is a high-performance electromagnetic coil used to control the opening and closing of solenoid valves in fluid control systems, hydraulics, pneumatics, and automation setups. This coil provides a strong magnetic field when energized with 12V DC, activating the solenoid core to control liquid or gas flow precisely.

Made with pure copper winding for maximum conductivity and efficiency, this coil guarantees fast response time and low heat generation, making it ideal for continuous-duty operations. The heat-resistant epoxy insulation and metal outer casing ensure protection from dust, vibration, and high temperatures, providing a long operational lifespan.

Compatible with most standard 1/2-inch solenoid valves, this coil is easy to install and replace, making it a perfect choice for DIY automation, industrial fluid systems, irrigation, air compressors, and Arduino-controlled water flow projects.

⚙️ Key Features

• ⚡ 12V DC Operation – Compatible with battery and power supply systems.

• 🧲 High-Quality Copper Coil – Ensures durability and fast magnetic response.

• 🧱 Strong Magnetic Field – Reliable activation for efficient valve control.

• 🌡️ Heat-Resistant Build – Epoxy coating prevents overheating and short circuits.

• 🔩 Easy Installation – Fits standard 1/2-inch solenoid valve assemblies.

• 🛠️ Corrosion & Dust Resistant – Suitable for industrial or outdoor use.

• 🔌 Energy Efficient – Low current consumption with long lifespan.

📐 Technical Specifications

🧩 Applications

• 💧 Water Flow Systems – Used in irrigation, aquariums, and fluid pipelines.

• 🌬️ Air and Gas Control – Perfect for pneumatic and compressor systems.

• 🧪 Electronics Components – Ideal for prototyping and automation projects.

• ⚙️ Industrial Automation – For automatic valve control in production systems.

• 🧠 Arduino Projects – Integrate with relay modules for smart flow control.

• 🚰 Home & Lab Applications – Suitable for DIY water dispensers or humidifiers.

⚠️ Precautions

• Operate only within 12V DC voltage rating.

• Do not power the coil without the valve core, as it may overheat.

• Keep the unit dry and away from corrosive liquids.

• Ensure proper polarity connection to avoid reverse current.

• Allow adequate cooling time during continuous operation.

🧰 Recommended Accessories

• ⚡ Power Supply Modules – For stable 12V DC power output.

• 🔌 Relay Modules – To switch valve control using Arduino.

• 💧 Solenoid Valves – Compatible 1/2-inch valve assemblies.

• 🧠 Arduino Boards – For smart automation and water control systems.

▶️ YouTube Tutorial Video

🎥 Watch: How to Connect and Test a 12V Solenoid Valve with Arduino

📝 Product Summary

The 12V Solenoid Valve Coil (1/2 Inch) is a reliable, energy-efficient, and durable electromagnetic coil used in fluid, air, and automation systems. With high-quality copper windings, low heat output, and fast magnetic actuation, it’s an excellent replacement or upgrade component for DIY, industrial, or Arduino-controlled solenoid valve projects.