AirTAC 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI)
The AirTAC AirTAC 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI) is a genuine 5/2-way single solenoid (spring return) solenoid valve with 21006EI 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 size21006EI
- Effective area17.0 mm²
- Flow (Cv)1.0
- Series4V200
About the AirTAC 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI)
The 4V210-06EI is a single-solenoid, 5/2-way pneumatic directional valve from the AirTAC 4V200 series, pre-wired with an AC24V coil and a 0.5 m grommet-style flying lead for direct electrical connection. It directs compressed air to one side of a double-acting cylinder or rotary actuator while simultaneously exhausting the opposite side, and its internal spring returns the spool to the home position the moment the coil is de-energised—so the valve needs a continuous electrical signal to stay in the actuated state.
With an effective flow area of 17.0 mm² (Cv 1.0) and a response time of 0.05 s or less, this 1/8-inch PT-ported body suits mid-speed cycling of cylinders roughly in the Ø32–50 mm range. The AC24V coil draws 5.0 VA, and the IP65-rated enclosure keeps out dust and low-pressure water jets, making it a reliable choice for general industrial automation where a spring-return action is preferred.
AirTAC 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI) Technical Specifications
| Model | AirTAC 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI) |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Single solenoid (spring return) |
| Port size | 21006EI |
| Exhaust port | 21006EI |
| 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 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI)
| 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. |
| -21006EI | 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 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI) Is Used
Packaging Pusher Return
Drives a double-acting pusher cylinder on a packaging line. The spring-return action ensures the pusher retracts to a safe home position when the AC24V signal is removed, preventing product jams.
Clamp & Unclamp Fixtures
Controls a pneumatic clamp on an assembly jig. The single-solenoid design means the clamp releases automatically if power is interrupted, which can be a safety advantage in manual-load stations.
General Cylinder Actuation
A straightforward 5/2 valve for basic extend-retract motion on small presses, diverters, or sorting gates. The AC24V grommet coil simplifies wiring into control panels with 24 V AC power available.
Is the AirTAC 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI) the Right Valve?
Choose this 4V210-06EI when your application calls for a single-solenoid 5/2 valve that defaults to a known position on power loss—ideal for basic extend-retract sequences where the cylinder must retract or stop safely if the signal drops. The 1/8-inch port and Cv 1.0 flow capacity place it in the sweet spot for cylinders around Ø32–50 mm; if you are driving a smaller Ø20–25 mm cylinder and want a more compact valve, step down to the 4V100 series (Cv 0.6). For larger bores or faster cycle times, the 4V300 (Cv 1.65) provides the extra flow.
When replacing an existing valve, match five points: body size (4V200), function (single 5/2), port and thread (1/8-inch PT), coil voltage (AC24V), and electrical entry (grommet with flying lead). The 4V200 can be mounted individually or on a manifold base, so if you are building a multi-valve station, confirm the manifold type matches your sub-base pattern.
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 4V210-06EI Solenoid Valve, 5/2-way, PT1/8, AC24V, grommet entry (4V21006EI) FAQ
With a Cv of 1.0 and a 17.0 mm² effective area, this valve suits double-acting cylinders approximately Ø32–50 mm in bore for typical industrial cycle rates. Smaller cylinders will cycle faster; larger ones will run slower. For precise sizing, always calculate the required Cv based on your cylinder volume, operating pressure, and target cycle time.
The 4V210-06EI is a single-solenoid valve: the solenoid must be energised continuously to hold the spool in the actuated position. If the AC24V signal is interrupted—whether intentionally or due to a power failure—the internal mechanical spring pushes the spool back to its home position. This means the cylinder will return to its default state without any electrical command, which is useful for fail-safe retract sequences.
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