
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCA-14F is a genuine 3-port 2-position (3/2) solenoid valve with 1/8 in ports. It either feeds its outlet or vents it to exhaust, which is what makes it the valve for single-acting cylinders, on/off air blow, clamping, vacuum switching and pilot duty.
The 3V2MNCA-14F puts fourteen normally closed 3/2 poppet valves on a single 3V2M base, wired from one point and fed from one air supply. Each AC220V coil draws 7 VA, so the worst-case load with all fourteen energised is about 98 VA - size the control transformer for that figure, not for one valve. Ports are PT1/8 and exhaust is centralised through the base.
Because NC stations pass no air until energised, a stopped or powered-down line holds every actuator vented. The coaxial shut-off poppet seals well, and IP65 coils plus manual overrides on each body make installation and commissioning straightforward.
| Model | Airtac 3V2M Solenoid Valve 3V2MNCA-14F |
|---|---|
| Series | 3V2M |
| Valve type | 3/2-way (3-port, 2-position) |
| Function | Direct-acting, single solenoid, spring return |
| Initial state | Normally closed |
| Item form | Complete assembly — 14 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC220V |
|---|---|
| Electrical entry | DIN plug (DIN socket type) |
| Coil power | 7 VA |
| Operating pressure | 0-0.8 MPa (0-114 psi) |
| Vacuum service | Not rated for vacuum |
| Flow coefficient | Cv 0.1 |
| Temperature | -20 to 70 C |
| Construction | Coaxial shut-off (poppet), base-mounted, spring return |
| Protection | IP65 (DIN 40050) |
| Medium | Air, filtered by a 40 µm or finer element. Lubrication not required. |
Figures follow the official AirTAC 3V2M catalogue. Confirm coil voltage and thread (PT / NPT / G) against the product label before wiring.
| 3V2M | Body — sets the flow, the coil power and whether vacuum is rated. |
|---|---|
| 1/8 in | Port size. M5, 06 = 1/8 in, 08 = 1/4 in, 10 = 3/8 in. |
| NC | Normally closed: no air at the outlet until the coil is energised. |
| AC220V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| — | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 14F | 14 stations in one assembly, centralised exhaust. |
| PT | Port thread. PT ships from stock; G and NPT are available to order. |
A 3/2 valve has three ports — supply, outlet and exhaust — and two states. It either feeds the outlet or vents it to exhaust, and that is the whole job.
That makes it the right valve for a single-acting (spring-return) cylinder, on/off air blow, a clamp, switching a vacuum generator or suction cup, and piloting a larger valve.
It cannot run a double-acting cylinder. A double-acting cylinder needs air alternately on two sides, which takes a 5-port valve — the AirTAC 4V series.
Drives the flap-tuck and hold-down clamps along a 14-station packaging conveyor, all valves fed from a single air drop.
Energises fourteen clamp bolts on a machining fixture in any combination, each releasing to exhaust the moment power drops.
Replaces fourteen individual valves and their wiring with one base and one connector, simplifying the control panel build.
Fourteen stations at Cv 0.1 each makes this the dense option; if any single station must move more air, use a stand-alone 3V2 (Cv 0.18 at 1/8 in, 0.19 at 1/4 in, vacuum-rated) or a 3V3 (Cv 0.62, 1/4 in) for that station. Where the duty is small and power matters, 3V1 at 3.0 W DC is the economical alternative. Double-acting cylinders are outside 3/2 scope - specify the AirTAC 4V series.
Before ordering, fix all five points: NC state, AC220V voltage, DIN plug entry, 14 stations and centralised exhaust, with PT threads (G or NPT by request). The NC state is fixed at the factory and cannot be changed afterwards.
Confirm before you order
Fourteen 3/2 direct-acting, spring-return stations, Cv 0.1 each, 0-0.8 MPa, -20 to 70 C, AC220V coils at 7 VA (about 98 VA for all 14), IP65 (DIN 40050), PT1/8 ports, centralised exhaust, 40 um filtration or finer.
Every station is a 3-port valve that either feeds the outlet or vents it, so it suits single-acting spring-return cylinders, air blow, clamping and pilot duty. It cannot drive a double-acting cylinder, which needs a 5-port valve such as the AirTAC 4V series. Remember the NC state cannot be converted after purchase.
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