Solenoid Valve - DN20

DN20 12V Solenoid Valve provides reliable electronic control over liquid flow in automated plumbing, irrigation, and smart infrastructure projects. This motor‑driven water control valve combines a DC motor actuator and reduction gearbox in a compact assembly, delivering high torque, quiet operation, and dependable switching between open and closed states. Three color‑coded control wires simplify electrical integration with common controllers such as Arduino boards and relay modules. The electrically actuated shutoff valve also supports manual operation when power is unavailable, making the flow control mechanism suitable for both automated and semi‑manual water management systems.

Motorized Valve with High Torque Gear Reduction

An integrated DC motor and metal reduction gearbox form the core actuation system of this automated water valve. The geared drive generates 30–60kg.cm torque, allowing the plumbing actuator to open or close the internal gate smoothly while maintaining low mechanical noise. Sealed motor construction improves durability and operational reliability in humid environments commonly encountered in water control systems. Stable mechanical transmission ensures dependable switching behavior across long service cycles in irrigation, tank management, and automated fluid control infrastructure.

Three‑Wire Electrical Control with Manual Override

This electronic liquid valve uses a simple three‑wire control interface for flexible automation. The blue wire connects to the positive pole to open the valve, while the red wire connects to the positive pole to close the valve; the yellow wire functions as the shared ground. When electrical power is removed, the actuator stops and maintains the current state without drifting. Manual turning capability allows direct open or close adjustment, ensuring continued operation even during controller shutdown or maintenance.

Stable Operation for Smart Water Systems

Robust electromagnetic shielding and precision mechanical construction provide high sensitivity and strong resistance to electromagnetic interference. The electrically controlled DN20 pipeline valve withstands static pressure up to 1.0MPa, supporting stable operation in demanding water distribution scenarios. When paired with relay controllers such as the Gravity Digital 5A Relay Module, the automated plumbing controller can perform timed switching or remote control tasks, enabling accurate water flow management for smart infrastructure and IoT water projects.

Figure: FIT0617-Arduino Connection Diagram

Figure: Smart Water Tank Diagram (FIT0617+KIT0139)

This electronically actuated DN20 water valve fits a wide range of automated liquid management scenarios including smart home plumbing control, agricultural irrigation automation, aquaculture water circulation systems, and experimental fluid management platforms used in STEM Education and IoT prototyping environments.