AirTAC 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI)
The AirTAC AirTAC 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI) is a genuine 5/2-way single solenoid (spring return) solenoid valve with 21006CI 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 size21006CI
- Effective area17.0 mm²
- Flow (Cv)1.0
- Series4V200
About the AirTAC 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI)
The 4V210-06CI is a 5/2-way single-solenoid directional control valve from the AirTAC 4V200 series, configured with an AC110V coil and a grommet-style electrical entry that provides a 0.5 m pre-wired flying lead. It directs compressed air to one side of a double-acting cylinder while exhausting the other, and a mechanical spring automatically returns the spool to its home position the moment the coil is de-energised. This spring-return action makes it a safe default for applications where the actuator must move to a known rest position on power loss.
Built on the mid-body 4V200 platform with a 1/8in PT port, this valve delivers an effective area of 17.0 mm2 (Cv 1.0) and suits double-acting cylinders approximately O32-50 mm. The AC110V coil draws 4.5 VA, and the spool responds in 0.05 s or less. The IP65-rated enclosure, aluminium-alloy body, and integrated manual override make it a rugged, field-serviceable choice for general industrial pneumatic control.
AirTAC 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI) Technical Specifications
| Model | AirTAC 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI) |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Single solenoid (spring return) |
| Port size | 21006CI |
| Exhaust port | 21006CI |
| 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 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI)
| 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. |
| -21006CI | 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 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI) Is Used
Conveyor Diverters & Stops
Controls a double-acting cylinder that pushes product off a belt or raises a stop gate. The spring-return function ensures the gate retracts safely when the AC110V signal is removed.
Assembly Clamping Fixtures
Drives a clamp cylinder on a 110 V AC-controlled station. The 0.05 s response and Cv 1.0 flow give a firm, quick clamp, while the grommet lead simplifies wiring inside a guarded cell.
Packaging Press & Seal Units
Actuates a double-acting press cylinder in a packaging machine. The AC110V grommet model fits older plants with AC control voltage and lets the press head return to the up position on cycle stop.
Is the AirTAC 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI) the Right Valve?
Choose the 4V210-06CI when your machine runs on a 110 V AC control supply and you prefer a pre-wired grommet connection over a terminal box. The single-solenoid 5/2 function is the standard pick for most double-acting cylinder drives—it requires a constant signal to stay shifted, so it naturally fails to a safe position when power is dropped. If your cylinder bore is below O25, stepping down to the 4V100 series (Cv 0.6) can save space and cost; for bores above O63 or for faster cycle rates, the 4V300 (Cv 1.65) is a better match.
When replacing an existing valve, match five points: body size (4V200), function (single 5/2), port and thread (1/8in PT), coil voltage (AC110V), and electrical entry (grommet). This model can be mounted individually or on a common 4V200 manifold base, which simplifies piping when you have multiple valves in a row.
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 4V210-06CI Solenoid Valve, 5/2-way, PT1/8, AC110V, grommet entry (4V21006CI) FAQ
With an effective area of 17.0 mm2 (Cv 1.0), this 4V200 valve suits double-acting cylinders roughly O32 to O50 mm. Smaller cylinders (O25 and below) will work but may be better paired with a 4V100 (Cv 0.6) for finer control, while larger bores or very high-speed applications should step up to the 4V300 series (Cv 1.65).
The 'C' designates an AC110V coil (4.5 VA), and the 'I' indicates a grommet-style electrical entry with a 0.5 m flying lead wire. This gives you a pre-wired connection that exits through a strain-relief grommet, which is often preferred when the valve is mounted where a rigid conduit or terminal box is inconvenient.
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