How to Choose 3V Series 3/2 Way Air Solenoid Valves
Date: 2026-07-03 Categories: Product Guide Views: 18Open Link in Markdown
The 3V series 3/2 way air solenoid valve is commonly used in pneumatic automation systems where compressed air must be switched between supply and exhaust. These valves are often selected for single-acting cylinders, pneumatic fixtures, blow-off circuits, actuator return control, and machine panel assemblies.
For buyers, the main question is not only whether the valve is 3/2 way. The port size, flow requirement, coil voltage, electrical connection, installation space, and actuator demand all affect the final selection. A small valve may work well for compact fixtures, while a larger model is needed when higher airflow is required.
What a 3/2 Way Air Solenoid Valve Does
A 3/2 way valve has three ports and two positions. In a typical pneumatic circuit, it can send air to an actuator port and then exhaust that air when the signal changes. This makes it useful for single-acting cylinder control, air signal switching, and auxiliary pneumatic functions.
| Model | Typical Port Direction | Best Fit |
|---|---|---|
| 3V110-06 | G1/8 | Small fixtures, compact panels, light actuator circuits |
| 3V210-08 | G1/4 | General pneumatic machine control and medium air lines |
| 3V310-10 | Larger mid-range body | Higher flow single-acting actuator control |
| 3V410-15 | G1/2 | Larger air circuits and higher flow machine systems |
Choosing by Port Size and Flow
Port size is one of the easiest selection points to check. The 3V110-06 3/2 Way Air Solenoid Valve G1/8 is suitable when the circuit uses smaller air lines and limited flow. The 3V210-08 3/2 Way Air Solenoid Valve G1/4 is a practical middle choice for many machine panels and general actuator circuits.
When a machine requires more airflow, buyers can consider the 3V310-10 3/2 Way Air Solenoid Valve. For larger air demand and G1/2 line layouts, the 3V410-15 3/2 Way Air Solenoid Valve G1/2 is the better direction. Matching port size to tubing, fittings, manifold layout, and cylinder air demand helps prevent slow response or pressure drop.
Electrical Parameters Still Matter
Before ordering, buyers should confirm coil voltage and current type. Common 3V series options may include DC12V, DC24V, AC110/120V, and AC220/240V, depending on the coil version. Electrical connection style also matters because DIN terminal, grommet lead wire, or outlet lead wire options fit different control cabinet layouts.
Recommended Selection Checklist
- Confirm whether the circuit requires a 3/2 way function.
- Match port size to tube, fitting, and manifold design.
- Check the actuator air consumption and response speed requirement.
- Confirm coil voltage, electrical connection, and duty cycle.
- Check mounting space, exhaust path, and maintenance access.
For a complete product range, visit the Solenoid Valve category.

