AirTAC 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C)
The AirTAC AirTAC 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C) is a genuine 5/2-way single solenoid (spring return) solenoid valve with 21008C 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 size21008C
- Effective area17.0 mm²
- Flow (Cv)1.0
- Series4V200
About the AirTAC 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C)
The 4V210-08C is a single-solenoid, 5/2-way pneumatic directional valve that directs compressed air to double-acting cylinders and rotary actuators. It requires a continuous AC110V signal to hold the shifted position; when the coil de-energises, the integrated mechanical spring returns the spool to its home state, exhausting the previously pressurised cylinder port. This spring-return action makes it a predictable choice for applications where the valve must default to a known position on power loss.
Built on the mid-flow 4V200 aluminium-alloy body, this model delivers an effective area of 17.0 mm2 (Cv 1.0) and suits cylinders in the ~O32-50 mm bore range. The AC110V coil draws 4.5 VA, and the sliding-column spool achieves a response time of 0.05 s or less. With a 1/4in PT inlet and outlet and a 1/8in PT exhaust, it weighs 220 g and carries an IP65 protection rating with class B insulation.
AirTAC 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C) Technical Specifications
| Model | AirTAC 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C) |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Single solenoid (spring return) |
| Port size | 21008C |
| Exhaust port | 21008C |
| 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 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C)
| 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. |
| -21008C | 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 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C) Is Used
Packaging Line Diverters
Controls a double-acting pusher cylinder that diverts cartons on a conveyor. The spring return ensures the pusher retracts safely when the AC110V signal is removed between cycles.
Assembly Clamping
Drives a clamp cylinder on a small-part assembly fixture. The 17.0 mm2 effective area provides crisp actuation for O32-50 mm bore clamps, and the terminal box wiring suits panel builders.
Replacement for Legacy AC Valves
A direct form-fit-function replacement for many 1/4in AC110V 5/2 valves on older machines. The 4.5 VA coil and IP65 body match common machine-builder specs without requiring a DC power supply retrofit.
Is the AirTAC 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C) the Right Valve?
Choose the 4V210-08C when you need a single-solenoid 5/2 valve with a 110 V AC supply and a spring-return fail-safe that drives the cylinder to its retracted or extended rest position on power loss. If your cylinder is below O32 mm, the smaller 4V100 body (Cv 0.6) may offer a more economical match; for bores above O50 mm or faster cycle rates, step up to the 4V300 series (Cv 1.65).
When replacing an existing valve, match five points: the 4V200 body size, the 5/2 single-solenoid function (spring return), the 1/4in PT port thread, the AC110V coil voltage, and the terminal-box electrical entry. If you are building a multi-valve station, this unit mounts directly onto a 4V200 manifold base for a clean, integrated air circuit.
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 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C) FAQ
With an effective area of 17.0 mm2 (Cv 1.0), it is well matched to double-acting cylinders in the ~O32-50 mm bore range. It can cycle a 50 mm bore cylinder at a practical speed for most general automation tasks; for larger bores or very high-speed cycling, consider moving up to the 4V300 series.
No. The 4V210-08C is a single-solenoid valve with a mechanical spring return. It requires a constant AC110V signal to hold the shifted position. When power is removed, the spring immediately returns the spool to its home state, exhausting the cylinder port that was pressurised. If you need a valve that holds its last position on power loss, use the double-solenoid 4V220 series instead.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC 4V Valves
Request a Quote for AirTAC 4V210-08C Solenoid Valve, 5/2-way, PT1/4, AC110V, terminal entry (4V21008C)
Send us the quantity, coil voltage and destination. We confirm price, stock and lead time — usually within 7-8 hours.