1/4″ Motorized Ball Valve Mini Auto Control Low Flow Resistance High Sealing
1/4 inch Miniature Electric Ball Valve – available in DC12V/24V, 2‑wire/5‑wire configurations, excellent sealing, low flow resistance, specially designed for instrumentation, small hydraulic, and laboratory automation pipelines, with manual override.
Description
1. Core Product Features
This motorized ball valve 1/4″ is a compact self‑actuated valve designed for small‑bore applications. Its full port motorized ball valve design ensures a smooth, unrestricted flow path with minimal pressure drop—eliminating the throttling losses often seen in small‑diameter valves. Equipped with a miniature electric actuator, it is available in 2 wire motorized ball valve (simple on/off) and 5‑wire (with position feedback) configurations, enabling direct integration with PLCs or compact controllers for fully automated flow control. A manual override is provided as standard for emergency manual operation during power outages. PTFE seats guarantee zero leakage even at very low flow rates. The body is offered in brass or 304 stainless steel, suitable for minute liquid or gas transfer applications—distinct from larger HVAC motorized ball valve models, this unit is purpose‑built for precision small‑bore systems.
2. Materials & Technical Specifications
| Parameter | Specification |
|---|---|
| Nominal Diameter | 1/4″ (DN8) |
| Supply Voltage | DC12V / DC24V |
| Body Material | Brass / 304 Stainless Steel |
| Sealing Material | PTFE / EPDM |
| Connection Standard | NPT female thread |
| Pressure Rating | PN16 / 1000 PSI (high‑pressure option available) |
| Media Temperature Range | 0~90℃ |
| Protection Class | IP54 |
| Opening/Closing Time | 6~10 seconds |
3. Typical Applications
This valve is widely deployed in laboratory fluid instrumentation, small‑scale hydraulic oil circuits, micro‑dosing chemical transfer, water treatment sampling lines, branch irrigation lines, air compressor discharge control, and cooling loops for precision equipment.
4. Overseas Project Case Study
A large‑scale landscape irrigation farm in Central California (4125 W Shaw Ave, Fresno, CA 93701) uses the 1/4″ motorized ball valve in bulk across its fertigation branch lines. The farm’s nutrient dosing system relies on these miniature valves for automated, precise control of fertilizer injection. The full‑port, low‑resistance design ensures stable delivery of chemicals, while the tight sealing prevents any leakage that could contaminate the main water supply. After 18 months of continuous service, the system has maintained high dosing accuracy with no failures.
5. Advantages for Overseas Procurement
The compact dimensions save valuable installation space within equipment enclosures. The stainless steel body resists chemical corrosion, and multiple voltage options are available. CE certification is provided, and custom configurations—including normally‑open/normally‑closed operation and feedback signal types—are supported, making this valve a preferred choice for overseas buyers in laboratory, instrumentation, and small‑fluid‑system markets.
