The AirTAC Airtac 4V Solenoid Valves 4V130C06EG-W is a genuine 5/3-way 5/3 double solenoid — closed center solenoid valve with W ports and an effective area of 8.6 mm² (Cv 0.51). It is an internally piloted spool valve that directs compressed air to double-acting cylinders and actuators.
The AirTAC 4V130C06EG-W is a 5/3-way double-solenoid valve in the compact 4V100 body, fitted with a G 1/8 (BSPP parallel) port, an AC24V coil drawing 4.0 VA, and terminal-box electrical entry. The -W suffix marks it as an external-pilot version: pilot air is supplied through a separate pilot port rather than tapped internally from the main line, so the spool keeps switching cleanly even when main-line pressure drops very low or the circuit runs at near-vacuum conditions. At center position the closed-center spool blocks all five ports, which pressurises neither side of the actuator and traps the air already in the lines, holding a double-acting cylinder roughly where it stopped.
Flow sits in the small-body 4V100 class at an effective area of 8.6 mm2 (Cv 0.51), a good match for double-acting cylinders and actuators in the ~O16-32 mm bore range. Response is 0.05 s or better, the valve weighs 200 g, and the housing is aluminium alloy rated IP65 (DIN 40050) with a B-class insulation coil. Air is filtered by a 40 um element, lubrication is not required, and the unit mounts singly or as part of an integrated manifold base group.
| Model | Airtac 4V Solenoid Valves 4V130C06EG-W |
|---|---|
| Series | 4V100 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) | 8.6 mm² (Cv 0.51) |
| 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 | 200 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 | 8.6 mm² |
|---|---|
| Flow coefficient | Cv 0.51 |
| Response time | ≤ 0.05 s |
| Coil power | AC 3.5 VA · DC24V 2.8 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. |
|---|---|
| 1 | Body size (4V100) — 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: 4V110 (single), 4V120 (double), 4V130C/E/P (5/3 center). Add the voltage suffix when ordering.
Closed-center hold keeps a fixture cylinder parked between cycles on a machining or assembly fixture, while the external pilot keeps switching dependable in low-pressure shop-air zones.
A gripper or slide on a compact benchtop station pairs well with the Cv 0.51 flow class and the 0.05 s response of this 5/3 valve, giving fast, repeatable small-part handling.
Test rigs that bleed the supply down, or circuits operating near vacuum, benefit from the -W external pilot - the valve still shifts even when main-line pressure cannot feed an internal pilot.
Choose this 4V130C06EG-W when your process needs a true position-hold at center (closed center), G-thread parallel ports, and an AC24V control supply wired through a terminal box. Its Cv 0.51 flow suits small clamps, grippers and slides; if your cylinder is larger than ~O32 mm or cycle speed demands more, step up to the 4V200 family (Cv 1.0). For circuits where the supply pressure sags or runs at very low pressure, the external-pilot (-W) construction here is the right pick over the standard internally-piloted 4V130C-06EG.
Ordering a replacement or a manifold fill? Match five points exactly: body size (4V100), function (30C closed center), port plus thread (1/8" G), coil voltage (AC24V), and electrical entry (terminal box) - and confirm whether you need the -W external-pilot option, since it changes the plumbing.
Quick checklist
Instead of tapping pilot air internally from the main supply, the -W valve takes pilot air from a separate external pilot port. That means the spool still switches reliably when main-line pressure is very low or the circuit runs in a low-pressure/vacuum condition. Plan the plumbing for that extra pilot connection; AirTAC does not publish a minimum pilot-pressure figure for this size.
It directs compressed air to double-acting cylinders and actuators in the ~O16-32 mm bore class at Cv 0.51 (8.6 mm2 effective area). It is a 5/3 closed-center valve, so at center all ports are blocked and the cylinder holds its position - but for suspended or fall-protection loads, add a mechanical brake or pilot-operated check valves at the cylinder ports; the valve alone is not a safety device.
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