
The AirTAC AirTAC 4V330C-10 Solenoid Valve, 4V300 Series (4V330C10B-AM) is a genuine 5/3-way 5/3 double solenoid — closed center solenoid valve with AM 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.
The 4V330C10B-AM is a 5/3-way closed-center solenoid valve in the AirTAC 4V300 body class, built on the proven 4V330C base and fitted at the factory with an AMISCO (Italian) solenoid coil on the 24V DC coil. Twin solenoids pulse the spool left or right, and at center all five ports are blocked, so a double-acting cylinder holds its position between commands. With an effective area of 21.3 mm2 (Cv 1.25) and a 3/8in PT inlet and outlet, it directs compressed air to bores in the ~O50-80 mm range where a mid-size flow class is needed.
This version keeps terminal-box wiring for simple panel or junction-box connection at 24V DC, and the closed-center blocking makes it a natural fit for fixtures, clamps and actuators that must freeze in place when both coils are off. Response time is 0.05 s or better, and the 450 g aluminum-alloy body mounts singly or on a manifold base. Because the AMISCO coil replaces the standard coil, buyers should confirm the exact coil rating for this 24V DC version with us before ordering.
| Model | AirTAC 4V330C-10 Solenoid Valve, 4V300 Series (4V330C10B-AM) |
|---|---|
| Series | 4V300 solenoid valve (spool type) |
| Valve type | 5/3-way |
| Function | 5/3 double solenoid — Closed center |
| Port size | AM |
| Exhaust port | AM |
| 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.
| 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.
| 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. |
| -AM | 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.
Closed-center blocking parks a double-acting slide mid-stroke when both coils de-energise, and the <=0.05 s response keeps short index moves crisp.
Twin solenoids give independent clamp and unclamp signals on O50-80 mm swing or straight-line clamps, with the center position freezing the clamp where it was left.
On transfer lifts and gate diverters, the 3/8in PT ports and Cv 1.25 flow keep mid-size actuators moving at up to 3 cycles per second.
Size by bore: the 21.3 mm2 / Cv 1.25 flow of this 5/3 body suits cylinders roughly O50-80 mm; drop to the 4V200 (Cv 1.0) for smaller bores or step up to the 4V400 (Cv 2.82) when a larger cylinder needs faster cycling. Choose this closed-center 30C version when the actuator must stop and hold at center; pick exhaust center (30E) if it should float, or pressure center (30P) if both sides should stay live. One valve with an individual base suits a single station, while a manifold group on a shared base tidies multi-valve banks.
When replacing, match five points exactly: body size (4V300), function (5/3 closed center, double solenoid), port and thread (3/8in PT here; G or NPT variants exist), coil voltage (DC24V) and electrical entry (terminal box). The -AM suffix only changes the coil brand to AMISCO - flow, ports and function stay identical to 4V330C-10B.
Quick checklist
It switches compressed air to double-acting cylinders and actuators in the ~O50-80 mm bore class. The 5/3 closed-center spool gives an effective area of 21.3 mm2 (Cv 1.25) with a maximum of 3 cycles per second, and AirTAC publishes the full flow chart rather than a single flow figure.
The -AM option fits an AMISCO (Italian) solenoid coil instead of the standard AirTAC coil on this DC24V valve; body, ports and flow are unchanged, and the exact AMISCO coil rating should be confirmed with us. Functionally, closed center means all ports block at rest, so a connected cylinder holds its last position - for suspended or fall-risk loads, add a pilot-operated check valve or mechanical brake rather than relying on the valve alone.
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Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity, coil voltage and destination. We confirm price, stock and lead time — usually within 7-8 hours.