AirTAC 4V330C-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E)
The AirTAC AirTAC 4V330C-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E) is a genuine 5/3-way 5/3 double solenoid — closed center solenoid valve with 330C08E 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 size330C08E
- 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-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E)
The AirTAC 4V330C-08E is a 5/3-way double-solenoid pneumatic directional valve engineered to stop a double-acting cylinder mid-stroke and hold it under pressure. When both solenoids are de-energized, the closed-center spool blocks all ports—inlet, cylinder A, cylinder B, and both exhausts—trapping air on both sides of the piston to resist movement from external forces.
Built on the 4V300 aluminum-alloy body, this model carries a 1/4-inch PT port configuration and is fitted with an AC24V coil drawing 5.0 VA. The 5/3 spool provides a 21.3 mm² effective area (Cv 1.25), suiting ~50–80 mm bore double-acting actuators that need intermediate stops. At 450 g, it includes a non-locking manual override and responds within 0.05 s, with IP65 protection for dusty or washdown environments.
AirTAC 4V330C-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E) Technical Specifications
| Model | AirTAC 4V330C-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E) |
|---|---|
| Series | 4V300 solenoid valve (spool type) |
| Valve type | 5/3-way |
| Function | 5/3 double solenoid — Closed center |
| Port size | 330C08E |
| Exhaust port | 330C08E |
| 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-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E)
| 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. |
| -330C08E | 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-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E) Is Used
Clamping & Fixturing Stations
The closed center holds a clamp cylinder at a precise force mid-stroke, preventing part movement during machining or welding operations on automated assembly lines.
Vertical Lift & Stop Gates
Controls a lift cylinder that must stop and hold a pallet at an intermediate height on a conveyor transfer. The blocked center prevents the load from sagging while the next cycle is indexed.
Test & Measurement Rigs
Positions a pneumatic actuator at a specific stroke for repetitive testing. The 4V330C-08E holds the set position against fluctuating test forces, ensuring consistent sampling conditions.
Is the AirTAC 4V330C-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E) the Right Valve?
Choose the 4V330C-08E when your double-acting cylinder must pause and hold position at any point in its stroke without drifting—the closed center blocks all air paths at rest. If you only need end-to-end motion, a 5/2 single (4V310) or double (4V320) is simpler and offers a higher Cv of 1.65. For smaller cylinders below ~40 mm bore, the 4V200 series (Cv 1.0) may be more economical; for larger bores above 80 mm, step up to the 4V400 (Cv 2.82).
To match an existing valve, verify five points: body size (4V300), function (5/3 closed-center), port size and thread (1/4-inch PT), coil voltage (AC24V), and electrical entry (terminal box). This valve also mounts on a standard 4V300 manifold base if you are building a multi-station valve group.
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-08E Solenoid Valve, 5/3-way, closed center, PT1/4, AC24V, terminal entry (4V330C08E) FAQ
In the de-energized center position, the spool seals the pressure port and both cylinder ports (A and B). This traps compressed air on both sides of a double-acting cylinder piston, holding it in place against moderate external loads. For suspended or safety-critical loads, always add a pilot-operated check valve or mechanical brake.
No. The 4V330C-08E is built with an AC24V coil (5.0 VA). Connecting it to a DC supply will burn the coil. If your control system outputs DC24V, order the 4V330C-08B variant, which uses a 3.0 W DC coil and is electrically compatible with standard PLC outputs.
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Related AirTAC 4V Valves
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