AirTAC 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI)
The AirTAC AirTAC 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI) is a genuine 5/2-way single solenoid (spring return) solenoid valve with 31008FI ports and an effective area of 28.0 mm² (Cv 1.65). 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 size31008FI
- Effective area28.0 mm²
- Flow (Cv)1.65
- Series4V300
About the AirTAC 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI)
The AirTAC 4V310-08FI is a 5/2-way single-solenoid directional control valve that directs compressed air to double-acting cylinders and actuators. It requires a constant DC12V electrical signal to hold the shifted position; de-energising the coil immediately springs the spool back to its home state, making it a safe default for applications that must exhaust or retract on power loss.
This specific configuration ships with a 0.5 m flying-lead grommet entry for fast DIN-style wiring and a DC12V coil rated at 2.5 W. With an effective area of 28.0 mm² (Cv 1.65) and a response time of 0.05 s or below, it provides the flow capacity needed for ~50-80 mm bore pneumatic cylinders in the 4V300 body class.
AirTAC 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI) Technical Specifications
| Model | AirTAC 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI) |
|---|---|
| Series | 4V300 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Single solenoid (spring return) |
| Port size | 31008FI |
| Exhaust port | 31008FI |
| Effective area (Cv) | 28.0 mm² (Cv 1.65) |
| 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 | 4 cycle/sec |
| Response time | ≤ 0.05 s (activating) |
| Temperature | -20 to +70 °C |
| Body material | Aluminum alloy |
| Weight | 310 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 | 28.0 mm² |
|---|---|
| Flow coefficient | Cv 1.65 |
| 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 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI)
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| 3 | Body size (4V300) — sets port & flow. |
| 1 | Function: 1 = single 5/2, 2 = double 5/2, 3 = 5/3. |
| -31008FI | Port thread: M5 / 06=1/8" / 08=1/4" / 10=3/8" / 15=1/2". |
Related: 4V310 (single), 4V320 (double), 4V330C/E/P (5/3 center). Add the voltage suffix when ordering.
Where the AirTAC 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI) Is Used
Packaging & Sorting Gates
Directs a mid-bore double-acting cylinder that pushes cartons onto a sortation lane. The spring-return action ensures the gate retracts safely if the DC12V signal is interrupted.
Clamping & Fixturing Stations
Controls a ~63 mm bore clamp cylinder on a CNC fixture. The 28.0 mm² effective area provides fast clamp/unclamp cycles, and the grommet lead simplifies wiring inside a crowded control cabinet.
Machine Tool Coolant Diverter
Shifts a double-acting diverter valve that directs coolant flow. The IP65-rated grommet entry and 2.5 W DC coil hold up well in wet machining environments.
Is the AirTAC 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI) the Right Valve?
Choose the 4V310-08FI when you need a spring-return 5/2 valve with a 1/4 in PT port and a pre-wired DC12V grommet connection. This 4V300 body sits between the smaller 4V200 (Cv 1.0) and the larger 4V400 (Cv 2.82), so it is the right fit for mid-bore double-acting cylinders that need more flow than a 4V200 can deliver but do not require the bulk of a 4V400.
For a drop-in replacement, match five points: body size (4V300), 5/2 single-solenoid function, 1/4 in PT thread, DC12V coil voltage, and grommet-style electrical entry. If you need a position-memory function instead of spring return, step up to the double-solenoid 4V320 series.
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 4V310-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V31008FI) FAQ
With a Cv of 1.65 (28.0 mm² effective area), this 4V300-series valve suits double-acting cylinders roughly in the 50-80 mm bore range. For smaller bores a 4V200 (Cv 1.0) may be more economical; for larger bores consider a 4V400 (Cv 2.82).
The 'I' suffix means the valve comes with a 0.5 m pre-wired flying lead sealed in a grommet, giving you an IP65 connection without needing a separate terminal-box connector. The DC12V coil draws 2.5 W, so it runs on a standard 12 VDC power supply with low current consumption.
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Related AirTAC 4V Valves
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