AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B)
The AirTAC AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B) is a genuine 5/2-way single solenoid (spring return) solenoid valve with 21006B ports and an effective area of 17.0 mm² (Cv 1.0). It is an internally piloted spool valve that directs compressed air to double-acting cylinders and actuators.
- Valve type5/2-way
- FunctionSingle solenoid (spring return)
- Port size21006B
- Effective area17.0 mm²
- Flow (Cv)1.0
- Series4V200
About the AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B)
The AirTAC 4V210-06B is a 5/2-way single-solenoid directional control valve built on the popular 4V200 body, directing compressed air to double-acting cylinders and actuators. Its spring-return mechanism requires a constant DC24V signal to hold the shifted position; de-energising the 3.0 W coil instantly returns the spool to its home state, making it a predictable choice for circuits where a fail-safe default position is needed on power loss.
With a 1/8-inch PT port and an effective area of 17.0 mm² (Cv 1.0), this valve is sized for driving cylinders in the O32 to 50 mm bore range. The aluminium-alloy body keeps weight to just 220 g, and the sliding-column spool design delivers a response time of 0.05 seconds or less, ensuring crisp, repeatable shifts in high-cycle automation tasks.
AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B) Technical Specifications
| Model | AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B) |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Single solenoid (spring return) |
| Port size | 21006B |
| Exhaust port | 21006B |
| Effective area (Cv) | 17.0 mm² (Cv 1.0) |
| 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 | 5 cycle/sec |
| Response time | ≤ 0.05 s (activating) |
| Temperature | -20 to +70 °C |
| Body material | Aluminum alloy |
| Weight | 220 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.
Flow & Coil Options
| Effective area | 17.0 mm² |
|---|---|
| Flow coefficient | Cv 1.0 |
| 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.
Model Code: AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B)
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| 2 | Body size (4V200) — sets port & flow. |
| 1 | Function: 1 = single 5/2, 2 = double 5/2, 3 = 5/3. |
| -21006B | Port thread: M5 / 06=1/8" / 08=1/4" / 10=3/8" / 15=1/2". |
Related: 4V210 (single), 4V220 (double), 4V230C/E/P (5/3 center). Add the voltage suffix when ordering.
Where the AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B) Is Used
Small-Bore Cylinder Actuation
Directly pilots double-acting cylinders on diverters, stops, and pushers in packaging and assembly lines, where the spring-return action ensures the cylinder retracts to a safe position if power is interrupted.
Clamping & Fixturing
Controls pneumatic clamps and work-holding fixtures in CNC machining and welding cells. The 3.0 W DC coil runs cool in continuous-duty holds, and the fast 0.05 s response minimises part-indexing time.
Compact Machine Sub-Systems
Ideal as a pilot valve or a direct-drive unit in tight OEM machine envelopes. The 220 g weight and 1/8-inch porting allow it to fit directly onto small actuators and end-of-arm tooling without adding bulk.
Is the AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B) the Right Valve?
Choose the 4V210-06B when your application needs a compact, single-solenoid 5/2 valve with a DC24V terminal-box connection and 1/8-inch ports. If your cylinder bore is smaller than O32 and you need a lighter, lower-flow option, step down to the 4V100 series (Cv 0.6). For larger bores above O50 or faster cycle times demanding higher flow, the 4V300 series (Cv 1.65) is a better match.
When replacing an existing valve, confirm all five compatibility points: the 4V200 body size, the single-solenoid 5/2 function, the 1/8-inch PT port, a DC24V coil, and the standard terminal-box electrical entry. If you are building a multi-valve assembly, this body can be mounted on a common manifold base to simplify piping and centralise exhaust.
Quick checklist
- ✓ Required flow (Cv) for cylinder & speed
- ✓ Function: single / double / 5-3 center
- ✓ Coil voltage (DC24 / AC220 …)
- ✓ Port thread (M5 / 1/8 / 1/4 / 3/8 / 1/2)
- ✓ Single valve or manifold base?
Installation & Wiring Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 0.8 MPa operating pressure.
- check Match coil voltage to your controller output.
- check Use the manual override to test before powering.
- check Fit silencers or fittings to the exhaust ports.
- check Wiring by qualified personnel per AirTAC docs.
AirTAC 4V210-06B Solenoid Valve, 5/2-way, PT1/8, DC24V, terminal entry (4V21006B) FAQ
With an effective area of 17.0 mm² (Cv 1.0) and a 5 cycle/sec maximum frequency, this valve is well-matched to double-acting cylinders with bores from approximately 32 mm up to 50 mm. For very small cylinders (O20 and below), a 4V100-series valve with a Cv of 0.6 often provides better fine control.
The 4V210-06B uses a single solenoid and a mechanical return spring. The DC24V coil must remain energised to keep the spool in the shifted position. If power is removed, the spring automatically pushes the spool back to its default state, exhausting the previously pressurised cylinder port. This makes it inherently predictable for emergency-stop circuits that require a defined rest position.
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