AirTAC 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM)
The AirTAC AirTAC 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM) is a genuine 5/3-way 5/3 double solenoid — closed center solenoid valve with AM ports and an effective area of 40.0 mm² (Cv 2.35). 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 sizeAM
- Effective area40.0 mm²
- Flow (Cv)2.35
- Series4V400
About the AirTAC 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM)
The AirTAC 4V430C15H-AM is a 5/3-way closed-center, double-solenoid directional valve built on the 4V400 body with 1/2 inch PT tapered ports. It directs compressed air to double-acting cylinders and actuators, and when neither coil is energised the spool sits at center with all five ports blocked, so the cylinder stops and holds wherever it was. The 5/3 flow path gives an effective area of 40.0 mm2 (Cv 2.35) and a maximum frequency of 3 cycles per second, which places this valve in the class that suits roughly O80-125 mm bore double-acting cylinders.
Mechanically it is a spool / sliding-column valve in an aluminium-alloy body, with internal or external piloting, a manual override, and response (activating) time of 0.05 s or below; the 30C build weighs 770 g and mounts on a base for an integrated manifold group. Note the -AM suffix: this code is ordered against a special coil variant, so state the exact coil voltage and electrical entry style you need on your RFQ and the matching -AM build will be confirmed before despatch of your quotation. Genuine AirTAC construction, IP65 to DIN40050, insulation class B.
AirTAC 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM) Technical Specifications
| Model | AirTAC 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM) |
|---|---|
| Series | 4V400 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) | 40.0 mm² (Cv 2.35) |
| 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 | 770 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 | 40.0 mm² |
|---|---|
| Flow coefficient | Cv 2.35 |
| 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 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM)
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| 4 | Body size (4V400) — 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: 4V410 (single), 4V420 (double), 4V430C/E/P (5/3 center). Add the voltage suffix when ordering.
Where the AirTAC 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM) Is Used
Pneumatic stamping press
Driving a 100 mm bore press cylinder on a bracket-forming fixture, the Cv 2.35 path keeps ram speed up, while the closed center parks the ram mid-stroke between hits without venting the lines.
Pallet lift table on a bottling line
The scissor-lift platform at the filler infeed uses an O125 double-acting cylinder; at center both ports are blocked, so the raised table waits at filling height until the next pulse.
Welding-cell clamp gantry
A body-in-white fixture clamp driven by an O80-125 mm cylinder holds its clamped position through the weld cycle, because the 30C center traps pressure at the cylinder even with coils off.
Is the AirTAC 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM) the Right Valve?
Size down when the actuator is small: for cylinders below roughly O80 mm bore, the 4V300 body (Cv 1.65) usually switches faster and costs less than pushing Cv 2.35 through an oversized path. Size up when flow is short: 4V400 is the largest 4V body, so for a still-hungrier actuator move to a larger 4V series body, or put several 4V430C valves on one manifold base and share the supply. Choose the 30C closed center when the cylinder must park and hold between strokes; pick 30E exhaust center if the cylinder should float free for manual repositioning, or 30P pressure center if both chambers should stay pressured. Five-point replacement match: 4V400 body, 30C function, 1/2 inch port with PT thread, coil voltage per the -AM special coil (read it off the old valve nameplate), and the electrical entry style.
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 4V430C-15 Solenoid Valve, 4V400 Series (4V430C15H-AM) FAQ
Per path this 5/3 closed-center valve offers an effective area of 40.0 mm2 (Cv 2.35), a maximum switching frequency of 3 cycles per second, an activating response of 0.05 s or below, a working pressure band of 0.15-0.8 MPa, proof pressure of 1.2 MPa, and a -20 to +70 C temperature window. Supply air must be filtered by a 40 um element and lubrication is not required.
The center condition blocks all five ports, so an O80-125 mm double-acting cylinder normally stays put because air is trapped in both chambers. Spool leakage can still let a long-held load creep, and the valve alone is not a certified safety device. For suspended or fall-risk loads, fit a pilot-operated check valve at the cylinder ports or a dedicated mechanical brake as well.
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