AirTAC 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E)
The AirTAC AirTAC 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E) is a genuine 5/2-way single solenoid (spring return) solenoid valve with 21008E 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 size21008E
- Effective area17.0 mm²
- Flow (Cv)1.0
- Series4V200
About the AirTAC 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E)
The AirTAC 4V210-08E 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 AC24V signal to hold the shifted position; de-energising the 5.0 VA coil instantly returns the spool to its home state, making it a predictable choice for basic extend-retract tasks.
With an effective flow area of 17.0 mm2 (Cv 1.0) and a response time of 0.05 s or less, this 220 g valve suits pneumatic cylinders in the O32-50 mm bore range. The terminal-box entry simplifies wiring to an AC24V control circuit, while the IP65-rated aluminium body and 40 µm filtered pilot keep it running reliably in general industrial environments.
AirTAC 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E) Technical Specifications
| Model | AirTAC 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E) |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Single solenoid (spring return) |
| Port size | 21008E |
| Exhaust port | 21008E |
| 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 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E)
| 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. |
| -21008E | 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 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E) Is Used
Material Pushers & Diverters
Drives a double-acting pusher cylinder on a packaging line, extending on signal and spring-returning when the AC24V output drops, giving a clean, repeatable stroke.
General-Purpose Clamping
Controls a pneumatic clamp on an assembly fixture. The spring return ensures the clamp retracts to a safe position if control power is interrupted.
Machine Tool Actuation
Directs air to a small double-acting cylinder for a chip guard or door interlock, where the 0.05 s response keeps cycle times short and the AC24V coil fits common machine-control transformers.
Is the AirTAC 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E) the Right Valve?
Step up to the 4V300 series (Cv 1.65) when you need faster fill on a 63 mm or larger bore, or drop to the 4V100 (Cv 0.6) for compact O15-25 mm cylinders. This single-solenoid 5/2 is the workhorse for circuits where the valve must default to a known position on power loss—if you need the spool to stay put without holding current, look at the double-solenoid 4V220.
For a drop-in replacement, match five points: 4V200 body size, 5/2 single-solenoid function, 1/4 in PT port, AC24V coil voltage, and terminal-box electrical entry. The valve also mounts on a 4V200 manifold base if you are building a multi-station bank.
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 4V210-08E Solenoid Valve, 5/2-way, PT1/4, AC24V, terminal entry (4V21008E) FAQ
Its 17.0 mm2 effective area (Cv 1.0) provides a good flow match for double-acting cylinders roughly O32-50 mm. Smaller bores can be driven but may cycle faster than needed; larger bores will move more slowly and a 4V300 valve is often a better fit.
The 5.0 VA AC24V coil energises to shift the spool against the return spring. AC coils draw a higher inrush current for a fraction of a second and then settle to the rated holding VA. The terminal-box entry accepts a standard conduit or cable gland for hard-wiring to the machine's 24 V AC control circuit.
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