AirTAC 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI)
The AirTAC AirTAC 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI) is a genuine 5/2-way single solenoid (spring return) solenoid valve with 21008EI 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 size21008EI
- Effective area17.0 mm²
- Flow (Cv)1.0
- Series4V200
About the AirTAC 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI)
The 4V210-08EI is a single-solenoid, 5/2-way pneumatic directional valve from the AirTAC 4V200 series, built to control double-acting cylinders and actuators. Its spool is shifted by energising the AC24V coil and returned by a mechanical spring when the signal is removed, making it a reliable choice for circuits that need a defined home position on power loss. This model comes with a grommet-style electrical entry, providing a 0.5 m pre-wired flying lead for direct DIN-style connection.
With an effective area of 17.0 mm² (Cv 1.0) and a response time of 0.05 s or less, this 1/4-inch ported valve suits pneumatic systems driving cylinders in the ~32-50 mm bore range. The aluminium-alloy body weighs 220 g and operates on a 5.0 VA AC24V supply, with a maximum cycling speed of 5 cycles per second. It supports an integrated manifold base and requires no lubrication, running on standard 40 µm filtered air at 0.15-0.8 MPa.
AirTAC 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI) Technical Specifications
| Model | AirTAC 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI) |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Single solenoid (spring return) |
| Port size | 21008EI |
| Exhaust port | 21008EI |
| 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 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI)
| 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. |
| -21008EI | 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 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI) Is Used
Packaging Machinery
Directs double-acting pusher and diverter cylinders on packaging lines. The spring-return action ensures the cylinder retracts to a safe position if power is interrupted, while the 5 c/s frequency handles rapid case-packing sequences.
Assembly Stations
Controls clamping and pressing cylinders in automated assembly cells. The 0.05 s response keeps station cycle times short, and the AC24V grommet wiring fits neatly into control panels with low-voltage safety requirements.
General Industrial Actuation
Operates gates, diverters, and lift cylinders in material-handling equipment. The Cv 1.0 flow capacity provides balanced speed for mid-bore cylinders, and the IP65-rated aluminium body withstands dusty factory environments.
Is the AirTAC 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI) the Right Valve?
Choose the 4V210-08EI when your application needs a single-coil, spring-return 5/2 valve with a pre-wired AC24V connection. The grommet entry simplifies installation where a terminal box is inconvenient, and the 0.5 m flying lead connects directly to a DIN socket. If your cylinder is smaller than 32 mm bore, stepping down to a 4V100 series (Cv 0.6) may improve energy efficiency; for larger bores or faster cycle times above 50 mm, consider moving up to the 4V300 body (Cv 1.65).
When replacing an existing valve, match these five points: body size (4V200), function (single solenoid 5/2), port size and thread (1/4 inch, PT tapered), coil voltage (AC24V), and electrical entry (grommet with lead wire). This valve can be used as a single unit or mounted on a common manifold base for multi-valve assemblies, keeping the same 4V200 flow characteristics.
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 4V210-08EI Solenoid Valve, 5/2-way, PT1/4, AC24V, grommet entry (4V21008EI) FAQ
With an effective area of 17.0 mm² (Cv 1.0), this valve is well-matched to double-acting cylinders with a bore of approximately 32 to 50 mm. It provides a good balance of speed and flow for mid-size pneumatic actuators in general automation tasks.
The 'EI' suffix designates an AC24V coil with a grommet (I-type) electrical entry. Instead of a terminal box, the valve has a 0.5 m flying lead that exits through a strain-relief grommet, ready to wire into a standard DIN 43650 connector or directly into a control enclosure.
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Related AirTAC 4V Valves
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