How to Choose 3V Series 3/2 Way Air Solenoid Valves
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…










