
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCC-20F 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.
Twenty NC 3/2 stations, one air supply, one wiring run: the 3V2MNCC-20F is the fully populated version of the 3V2M manifold. Each valve is direct-acting, spring-return and coaxial shut-off, opening its outlet only while its AC110V coil is energised. Manual override on every body helps you prove out each station during commissioning without energising anything.
Budget the power: every AC110V coil draws 7 VA, so with all twenty energised at once the assembly needs roughly 140 VA - size the control transformer for that worst case, not the average. Exhaust is centralised through a single shared port, and the NC initial state is fixed at purchase because reversing the dedicated base gasket does not convert it. Order as genuine AirTAC.
| Model | Airtac 3V2M Solenoid Valve 3V2MNCC-20F |
|---|---|
| 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 — 20 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC110V |
|---|---|
| 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. |
| AC110V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| — | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 20F | 20 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.
Twenty clamp points along an SMT pallet conveyor, each controlled from one manifold instead of twenty loose valves and fittings.
Reject blow-off and gate valves spaced down a bottling line, sharing one supply and one exhaust header for tidy routing.
Gate and pusher valves across a sorting station bank, all venting to the single centralised exhaust to keep ducting simple.
Density is the point of this assembly, and density costs flow: every station passes Cv 0.1 through the base, less than an individual 3V2 (Cv 0.18 at PT1/8, Cv 0.19 at PT1/4, vacuum-rated) or a 3V3 (Cv 0.62 at PT1/4). Mixed builds are fine, so substitute an individual 3V2 or 3V3 valve at any high-flow station; 3V1 at 3.0 W DC suits low-power duties.
Confirm the five-point match: NC (not convertible to NO after purchase - never count on gasket tricks), AC110V, DIN plug entry, 20 stations, centralised exhaust, PT threads (G/NPT to order). Anything double-acting belongs on the AirTAC 4V series, not on a 3/2 manifold.
Confirm before you order
Twenty 3/2 NC stations, each Cv 0.1, pressure 0-0.8 MPa, temperature -20 to 70 C, AC110V coil 7 VA each (about 140 VA with all energised), IP65 (DIN 40050), PT1/8 ports. Air filtered to 40 um or finer; lubrication not required.
Each station feeds or vents one outlet, so it suits single-acting spring-return cylinders, air blow, clamping and pilot duty. It cannot drive a double-acting cylinder - that takes a 5-port valve such as the AirTAC 4V series. Also remember the NC state is fixed: the dedicated base gasket cannot be reversed to convert NC to NO after purchase.
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