AirTAC 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI)
The AirTAC AirTAC 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI) is a genuine 5/3-way 5/3 double solenoid — closed center solenoid valve with 230C08FI ports and an effective area of 13.6 mm² (Cv 0.8). It is an internally piloted spool valve that directs compressed air to double-acting cylinders and actuators.
- Valve type5/3-way
- Function5/3 double solenoid — Closed center
- Port size230C08FI
- Effective area13.6 mm²
- Flow (Cv)0.8
- Series4V200
About the AirTAC 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI)
The AirTAC 4V230C-08FI is a 5/3-way double-solenoid valve that directs compressed air to double-acting cylinders and actuators, with a closed center position that blocks all ports when both coils are de-energised. In this neutral state, the spool seals inlet, outlet, and exhaust paths, allowing the cylinder to hold its last position against movement—useful for mid-stroke stops where drift must be minimised.
This specific configuration ships with a DC12V coil drawing just 2.5 W and a grommet-style electrical entry that provides a 0.5 m pre-wired flying lead, simplifying connection in tight or moving installations. With an effective area of 13.6 mm2 (Cv 0.8), a response time of 0.05 s or less, and a weight of 360 g, it suits ~O32–50 mm bore cylinders in light-to-medium automation tasks.
AirTAC 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI) Technical Specifications
| Model | AirTAC 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI) |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/3-way |
| Function | 5/3 double solenoid — Closed center |
| Port size | 230C08FI |
| Exhaust port | 230C08FI |
| Effective area (Cv) | 13.6 mm² (Cv 0.8) |
| 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 | 3 cycle/sec |
| Response time | ≤ 0.05 s (activating) |
| Temperature | -20 to +70 °C |
| Body material | Aluminum alloy |
| Weight | 360 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 | 13.6 mm² |
|---|---|
| Flow coefficient | Cv 0.8 |
| 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 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI)
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| 2 | Body size (4V200) — sets port & flow. |
| 3 | Function: 1 = single 5/2, 2 = double 5/2, 3 = 5/3. |
| -230C08FI | 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 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI) Is Used
Mid-Stroke Clamping
The closed center lets a clamp cylinder stop and hold a workpiece at an intermediate position without drifting, ideal for glueing or assembly fixtures where full extension is not needed.
Stop-and-Hold Gates
Controls a double-acting gate cylinder on a conveyor line; when both signals are off the gate stays put, preventing product from rolling back while the next cycle is queued.
Laboratory Positioning
Drives a small linear actuator in a test rig where a sample must be held at a precise height between measurments—the closed center blocks creep, and the 2.5 W DC12V coil keeps heat low.
Is the AirTAC 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI) the Right Valve?
Choose the 4V230C-08FI when your application requires a cylinder to pause and hold position at mid-stroke with power removed from both solenoids—the closed center blocks airflow to lock the piston. If your cylinder is smaller (O20–25 mm), the 4V100 series (Cv 0.6) may offer a better size match; for larger bores or faster cycle rates, step up to the 4V300 body (Cv 1.65).
This valve can be mounted individually or ganged on a manifold base for multi-cylinder stations. When replacing an existing unit, match all five points: 4V200 body size, 5/3 closed-center function, 1/4 in PT ports, DC12V coil voltage, and the grommet (I) flying-lead entry to ensure drop-in compatibility.
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 4V230C-08FI Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, grommet entry (4V230C08FI) FAQ
With an effective area of 13.6 mm2 (Cv 0.8) and a max frequency of 3 cycles per second, it is well matched to double-acting cylinders in the ~O32–50 mm bore range for typical 0.15–0.8 MPa operation. For smaller O20–25 mm cylinders, a 4V100-series valve (Cv 0.6) is often a more economical fit.
In the closed-center position (this model), all ports are blocked, so the cylinder holds its position when both solenoids are off. An exhaust center (30E) vents both cylinder ports, letting the rod float freely. A pressure center (30P) applies inlet pressure to both sides simultaneously. Choose closed center when you need to pause a load without it moving.
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