The AirTAC Airtac 4V Solenoid Valves 4V230P08C-W is a genuine 5/3-way 5/3 double solenoid — closed center solenoid valve with W 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.
The AirTAC 4V230P08C-W is a double-solenoid, 5/3-way valve with a pressure center, wired for AC110V through a terminal box and machined with 1/4in PT ports. At center both cylinder ports A and B remain connected to supply, so each chamber of a double-acting cylinder keeps its charge - useful on sealing heads and tensioners where both strokes must keep pushing rather than dumping to exhaust. It comfortably serves double-acting cylinders in the roughly Dia32-50 mm bore range. Flow is Cv 0.8 (13.6 mm2 effective area), the standard 4V200 5/3 rating, with activation in 0.05 s or less and a 360 g aluminum-alloy body. The AC110V coil draws just 4.5 VA inside an IP65 (DIN40050) enclosure with B-class insulation, and the pilot can be fed internally or externally via the optional plate. Running the air through a 40 um element keeps the spool sliding cleanly - no line lubricator needed.
| Model | Airtac 4V Solenoid Valves 4V230P08C-W |
|---|---|
| Series | 4V200 solenoid valve (spool type) |
| Valve type | 5/3-way |
| Function | 5/3 double solenoid — Closed center |
| Port size | W |
| Exhaust port | W |
| 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.
| 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.
| 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. |
| -W | 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.
A packaging-line stapler needs the driver to hold downward force on every dwell. Cv 0.8 and a 0.05 s response keep the stroke sharp on Dia40 mm cylinders at up to 3 cycles per second.
On sludge dewatering presses, tension rolls stay loaded from both sides. With pressure center the two cylinder chambers never vent, so the cloth keeps even tension between pulses.
Concrete product lines useDia50 mm pusher cylinders where residual pressure on both ports helps seat the product squarely before the retract pulse. The 4.5 VA AC110V coil suits plant control panels directly.
Sizing runs both ways from this body. For a Dia32 bore or a slow, low-volume station the 4V100 body saves space at Cv 0.6, and AirTAC offers the same pressure-center logic there as the 4V130P. If the bore grows to Dia63 and up, or your cycle pushes past the 3 cycles per second this spool supports, step up to the 4V300 family where the 5/3 bodies reach Cv 1.65. Prefer a valve that springs to a defined position on power loss? The single-solenoid 4V210 does that; this 30P is the pick when both chambers should stay charged instead. Base-mounting lets you build an integrated manifold group on one supply. When replacing an old unit, match five points: 4V200 body, 30P function, 1/4in port in PT thread, AC110V coil, terminal-box entry.
Quick checklist
Flow capacity is Cv 0.8 (13.6 mm2 effective area), activation time is 0.05 s or less, working pressure spans 0.15-0.8 MPa with a 1.2 MPa proof rating, and the AC110V coil draws 4.5 VA. The valve weighs 360 g and switches at up to 3 cycles per second - lower than the 5 cycles/s of the 5/2 body because the center-position spool travels further.
At center, ports A and B both connect to supply, so the double-acting cylinder keeps pressure on both sides - good for balancing seal friction or keeping both strokes live. It is not a brake: if the load pulls harder on one side, the rod can creep. For suspended or fall-risk loads, add a pilot-operated check valve at the cylinder ports or a dedicated mechanical brake.
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