
The AirTAC AirTAC 4V320-10E Solenoid Valve, 5/2-way, PT3/8, AC24V, terminal entry (4V32010E) is a genuine 5/2-way double solenoid (memory) solenoid valve with 32010E ports and an effective area of 28.0 mm² (Cv 1.65). It is an internally piloted spool valve that directs compressed air to double-acting cylinders and actuators.
The AirTAC 4V320-10E is a 5/2-way double-solenoid pneumatic directional valve that directs compressed air to double-acting cylinders and rotary actuators. Its memory spool design means the valve stays in its last pulsed position when power is removed—no holding current required. This AC24V terminal-box model delivers a 5.0 VA coil draw and suits bore sizes from approximately 50 to 80 mm.
With an effective area of 28.0 mm² (Cv 1.65) and a maximum cycling rate of 4 cycles per second, the 4V320-10E handles fast, repetitive actuation tasks. The 3/8-inch PT (Rc) ports provide a solid flow path, while the IP65-rated aluminum body and sub-0.05-second response time keep it reliable in harsh factory environments. It weighs 400 g and can be mounted individually or on a shared manifold base.
| Model | AirTAC 4V320-10E Solenoid Valve, 5/2-way, PT3/8, AC24V, terminal entry (4V32010E) |
|---|---|
| Series | 4V300 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Double solenoid (memory) |
| Port size | 32010E |
| Exhaust port | 32010E |
| Effective area (Cv) | 28.0 mm² (Cv 1.65) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Pilot type | Internal / external pilot |
| Operating pressure | 0.15 – 0.8 MPa |
| Proof pressure | 1.2 MPa |
| Max frequency | 4 cycle/sec |
| Response time | ≤ 0.05 s (activating) |
| Temperature | -20 to +70 °C |
| Body material | Aluminum alloy |
| Weight | 400 g |
Specifications follow the official AirTAC 4V series datasheet. Lubrication not required. Confirm coil voltage and thread (PT / NPT / G) against the product label before wiring.
| Effective area | 28.0 mm² |
|---|---|
| Flow coefficient | Cv 1.65 |
| Response time | ≤ 0.05 s |
| Coil power | AC 4.5 VA · DC24V 3.0 W · DC12V 2.5 W |
| Protection / insulation | IP65 (DIN40050), B-class |
| Voltage options | DC24V, DC12V, AC110V, AC220V |
| Manual override | Yes (locking / non-locking) |
Size the valve so effective area / Cv is not the bottleneck for your cylinder bore and speed. Undersized valves slow the actuator. Note 5/3 (center) versions have a smaller effective area than the 5/2 of the same body size.
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| 3 | Body size (4V300) — sets port & flow. |
| 2 | Function: 1 = single 5/2, 2 = double 5/2, 3 = 5/3. |
| -32010E | Port thread: M5 / 06=1/8" / 08=1/4" / 10=3/8" / 15=1/2". |
Related: 4V310 (single), 4V320 (double), 4V330C/E/P (5/3 center). Add the voltage suffix when ordering.
Drives double-acting clamp and pusher cylinders on case erectors and palletizers. The memory spool holds the clamp position during a power-safe stop, preventing product drop without continuous coil energization.
Controls chip shields, door interlocks, and tool-change cylinders on CNC machining centers. The AC24V coil integrates easily with machine-control transformers, and the 4 c/s frequency keeps pace with rapid tool-change sequences.
Operates diverter gates and stop pins on gravity or powered conveyor lines. The 3/8-inch port supplies enough flow for mid-bore cylinders, and the IP65 enclosure shrugs off dust and washdown mist.
Choose the 4V320-10E when your application needs a 5/2 valve that holds its last position without constant power—ideal for energy-conscious or intermittent-duty systems. The 28.0 mm² effective area (Cv 1.65) is sized for mid-bore double-acting cylinders; if you are driving a smaller cylinder (under ~40 mm bore), the 4V200 series (Cv 1.0) may offer a more compact fit, while larger bores above 80 mm often benefit from stepping up to the 4V400 (Cv 2.82).
For a direct replacement, match five points: body size (4V300), function (double solenoid 5/2), port and thread (3/8-inch PT), coil voltage (AC24V), and electrical entry (terminal box). The 4V320-10E can be used as a standalone valve or clipped onto an AirTAC 300-series manifold to build a multi-station valve group.
Quick checklist
With a 28.0 mm² effective area (Cv 1.65), it is a strong match for double-acting cylinders in the ~50–80 mm bore range. It can drive smaller or larger cylinders, but actuation speed will vary—always check your cylinder’s air consumption against the valve’s Cv for the cycle time you need.
The 4V320-10E uses two solenoid pilots. A momentary pulse to one side shifts the spool; the spool then stays in that position through land friction and balanced pressure, with no spring to return it and no holding current. A pulse to the opposite side shifts it back. This is not magnetic latching—it is a purely pneumatic-mechanical memory.
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