12V DC Motorized Ball Valve Normally Closed Low Flow Resistance Manual Override
12V DC Electric Ball Valve – low‑power DC actuator, normally‑closed option available, full port with low flow resistance, suitable for outdoor irrigation and automation pipelines in small equipment, with manual override.
Description
1. Core Features
This 12v dc motorized ball valve is equipped with a low‑voltage DC actuator that consumes minimal power, making it ideal for solar‑powered or off‑grid applications. A normally closed failsafe variant is available, which automatically shuts off upon power loss. The full port motorized ball valve body has an unobstructed bore, ensuring very low fluid resistance with no pressure drop penalty.
The actuator is offered in a basic 2 wire motorized ball valve configuration as well as a 5‑wire version with position feedback, both compatible with compact PLCs and irrigation controllers. A manual override is standard for emergency operation during power outages, eliminating the need for depressurisation or disassembly. PTFE seals provide tight shut‑off for both liquids and gases, distinguishing this model from general‑purpose AC‑powered HVAC motorized ball valve units.
2. Materials & Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | DC 12V |
| Valve Size | 1/4″ DN8 (expandable to 3/4″, 1.5″) |
| Body Material | Brass / 304 Stainless Steel |
| Seal Material | PTFE / EPDM |
| Thread Connection | NPT female |
| Pressure Rating | 1000 PSI |
| Media Temperature | 0~90℃ |
| Protection Class | IP54 |
| Opening/Closing Time | 6~10 seconds |
3. Primary Application Areas
This valve is well suited for photovoltaic irrigation systems, laboratory fluidic devices, vehicle‑mounted water circuits, small cooling units, fertigation equipment, and outdoor sprayers—particularly where 220V AC mains power is unavailable.
4. Overseas Field Application Case
A large‑scale landscape irrigation farm in Central California (4125 W Shaw Ave, Fresno, CA 93701) adopted the 12v dc motorized ball valve across its fertigation branches. Solar panels supply 12V DC power in the fields, and the normally‑closed version automatically cuts off fertiliser flow upon power loss to prevent backflow. The full‑port, low‑resistance design ensures stable micro‑dosing of chemicals. After 18 months of continuous operation, no leakage or motor burn‑out has occurred.
5. Advantages for Overseas Procurement
The 12V DC low‑voltage design is inherently safer and perfectly suited for solar‑powered outdoor projects. Customisation options include normally‑open or normally‑closed operation. The stainless steel body resists fertiliser corrosion, and CE certification is available. Equipment manufacturers and farm operators can bundle the valve with controllers for integrated procurement.
