AirTAC 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI)
The AirTAC AirTAC 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI) is a genuine 5/2-way double solenoid (memory) solenoid valve with 22008FI 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
- FunctionDouble solenoid (memory)
- Port size22008FI
- Effective area17.0 mm²
- Flow (Cv)1.0
- Series4V200
About the AirTAC 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI)
The AirTAC 4V220-08FI is a 5/2-way double-solenoid directional control valve built on the popular 4V200 mid-body platform. It directs compressed air to double-acting cylinders and rotary actuators, and because it is a double-solenoid (function 20) design, the spool stays in its last pulsed position when both coils are de-energised—no holding current and no spring return. This memory behaviour is ideal for applications where the actuator must remain in place during a power interruption or E-stop cycle.
This specific SKU comes with a DC12V coil (2.5 W) and a grommet-style electrical entry that provides a 0.5 m pre-wired flying lead, simplifying installation on machines with limited junction-box space. With an effective area of 17.0 mm² (Cv 1.0) and a response time of 0.05 s or less, the 4V220-08FI suits double-acting cylinders in the ~Ø32–50 mm range. The body is hard-anodised aluminium alloy, rated IP65, and operates on filtered, unlubricated compressed air at 0.15–0.8 MPa.
AirTAC 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI) Technical Specifications
| Model | AirTAC 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI) |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Double solenoid (memory) |
| Port size | 22008FI |
| Exhaust port | 22008FI |
| 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 | 320 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 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI)
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| 2 | Body size (4V200) — sets port & flow. |
| 2 | Function: 1 = single 5/2, 2 = double 5/2, 3 = 5/3. |
| -22008FI | 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 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI) Is Used
Pallet Stop & Gate Control
The memory function holds a pallet stop in the raised or lowered position during a line stoppage without energising a coil, preventing drift and allowing a controlled restart sequence.
Clamping Fixtures on Machining Centres
A double-solenoid 5/2 keeps a pneumatic clamp closed on a workpiece even if the machine control power drops, reducing the risk of part release during an unexpected shutdown.
Bidirectional Cylinder Drives on Assembly Jigs
The 4V220-08FI alternates a double-acting cylinder between extend and retract with a single pulse to each coil, simplifying the PLC logic for push-pull operations on manual assembly stations.
Is the AirTAC 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI) the Right Valve?
Choose the 4V220-08FI when your circuit needs a 5/2 valve that retains its last state without continuous power—a critical distinction from the single-solenoid 4V210 series that springs back on signal loss. The 4V200 body’s Cv 1.0 is the sweet spot for mid-bore cylinders; if you are driving a small Ø16–25 mm cylinder, the 4V100 series (Cv 0.6) may offer more precise control, while a large Ø63–100 mm cylinder demanding faster fill rates would step up to the 4V300 (Cv 1.65).
This model is configured for 1/4 inch PT (Rc) tapered ports, a DC12V coil, and a grommet lead-out. When replacing a competitor’s valve, match five points: body size (4V200), function (double 5/2), port size and thread (1/4 PT), coil voltage (DC12V), and electrical entry (grommet/flying lead). For multi-valve layouts, the 4V200 family can be gang-mounted on a common manifold base, reducing tubing and assembly time.
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 4V220-08FI Solenoid Valve, 5/2-way, PT1/4, DC12V, grommet entry (4V22008FI) FAQ
With an effective area of 17.0 mm² and a Cv of 1.0, this valve is well matched to double-acting cylinders with bores from approximately 32 mm up to 50 mm. It can cycle at up to 5 times per second, making it suitable for general automation tasks that need a balance of flow and compact size.
The spool is moved by a momentary pulse to one of the two coils and stays in that position through land friction and balanced pressure—no spring, no holding current, and no magnetic latching. While this holds the actuator in place during a power loss, it is not a safety-rated holding brake. For vertical or suspended loads, you must add a pilot-operated check valve or a mechanical brake at the cylinder ports to guarantee load holding.
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