AirTAC 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F)
The AirTAC AirTAC 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F) is a genuine 5/3-way 5/3 double solenoid — closed center solenoid valve with 330C08F ports and an effective area of 21.3 mm² (Cv 1.25). 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 size330C08F
- Effective area21.3 mm²
- Flow (Cv)1.25
- Series4V300
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the AirTAC 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F)
The AirTAC 4V330C-08F is a 5/3-way pneumatic solenoid valve that directs compressed air to double-acting cylinders and actuators, with a closed center position that blocks all ports when the valve is at rest. In this neutral state, both cylinder ports are sealed, holding the piston firmly in place—ideal for mid-stroke stops where drift cannot be tolerated. This model is configured with a DC12V coil drawing just 2.5 W, making it a practical choice for mobile or battery-powered equipment where low power consumption is essential.
Built on the 4V300 aluminum-alloy body with 1/4-inch PT ports, it delivers an effective area of 21.3 mm2 (Cv 1.25) and suits pneumatic cylinders in the ~50 to 80 mm bore range. The sliding-spool design responds in 0.05 seconds or less, operates on filtered air from 0.15 to 0.8 MPa, and carries IP65 protection for dusty or washdown environments. A locking manual override is included for setup and troubleshooting.
AirTAC 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F) Technical Specifications
| Model | AirTAC 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F) |
|---|---|
| Series | 4V300 solenoid valve (spool type) |
| Valve type | 5/3-way |
| Function | 5/3 double solenoid — Closed center |
| Port size | 330C08F |
| Exhaust port | 330C08F |
| Effective area (Cv) | 21.3 mm² (Cv 1.25) |
| 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 | 450 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 | 21.3 mm² |
|---|---|
| Flow coefficient | Cv 1.25 |
| 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 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F)
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| 3 | Body size (4V300) — sets port & flow. |
| 3 | Function: 1 = single 5/2, 2 = double 5/2, 3 = 5/3. |
| -330C08F | 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 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F) Is Used
Mid-Stroke Clamping
The closed center halts a double-acting cylinder at any point in its travel, making the 4V330C-08F suitable for clamping fixtures that must hold a part while a secondary operation completes, without drifting.
Laboratory Positioning
In automated test stands and sample handlers, the 5/3 closed-center spool stops a pneumatic slide precisely, allowing a measurement probe to dwell before the cycle continues.
Assembly Presses
A small benchtop press powered by a 50-63 mm cylinder can pause under the 4V330C-08F's closed center, holding pressure briefly for a controlled insertion or staking operation.
Is the AirTAC 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F) the Right Valve?
Choose the 4V330C-08F when your application needs a 5/3 closed-center function on a 1/4-inch ported base, powered by a 12 V DC supply. The closed center blocks the cylinder at mid-stroke, which is useful for clamping or pressing sequences that pause without drifting—but remember that spool leakage means this is not a guaranteed safety hold; add a pilot-operated check valve if the load must be suspended. For smaller cylinders below ~40 mm bore, the 4V200 series (Cv 1.0) is a better match, while larger bores above 80 mm typically benefit from the 4V400 body (Cv 2.82).
When replacing an existing valve, match all five points: the 4V300 body size, the 5/3 closed-center function, the 1/4-inch PT thread, the DC12V coil voltage, and the terminal-box electrical entry. If you need a different voltage or a grommet lead-out, select the corresponding suffix—every combination is a distinct product page.
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 4V330C-08F Solenoid Valve, 5/3-way, closed center, PT1/4, DC12V, terminal entry (4V330C08F) FAQ
With an effective area of 21.3 mm2 and a Cv of 1.25, this 5/3 valve is well matched to double-acting cylinders in the ~50 to 80 mm bore range. It can cycle at up to 3 times per second. For smaller cylinders, a 4V200-series valve with Cv 1.0 may provide more precise control.
The closed center blocks all ports, which holds the piston in place against moderate shifting forces during normal operation. However, spool valves always have some internal leakage, so this function alone is not a safety-rated load-holding device. For suspended or vertical loads, install a pilot-operated check valve or a mechanical brake at the cylinder ports.
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Related AirTAC 4V Valves
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