
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCA-2F 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.
Two 3/2 NC valve bodies on one 2F base: that is the whole idea behind the 3V2MNCA-2F. Both direct-acting, spring-return poppet valves draw air from a single PT1/8 supply port and share one wiring strip for their AC220V coils.
The diagnostic payoff is real on a two-station machine: if a function drops out, you check one air inlet and one wiring point instead of tracing two separate installations. Each coil is 7 VA (14 VA total), the DIN plugs carry an IP65 rating, and the manual override on each body lets you jog either station by hand during setup. Both stations sit closed until energised - an NC behaviour fixed at manufacture, with no field conversion possible.
| Model | Airtac 3V2M Solenoid Valve 3V2MNCA-2F |
|---|---|
| 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 — 2 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. |
| 2F | 2 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.
A spring-return chuck clamp and a tailstock pusher on a small lathe each get their own NC valve while sharing one air drop and one wiring point.
Two diverters at a conveyor junction switch packages independently, yet the shared manifold keeps the pneumatic plumbing to a single supply line.
One valve clamps the part, the second vents the test circuit - a two-station sequence the 2F base handles from one consolidated supply.
Two stations through a base still costs flow: Cv 0.1 per path versus Cv 0.18 on an individually ported 3V2 (vacuum rated) and Cv 0.62 on the 3V3 at 1/4 in (also vacuum rated). Choose the standalone valves if a station needs that extra flow; pick 3V1 at 3.0 W DC where power draw is the constraint. For double-acting cylinders you need the 5-port AirTAC 4V series instead of any 3/2 valve.
Match five points to your machine before ordering: NC initial state (unchangeable afterwards), AC220V coil, DIN plug entry, 2F station count, centralised exhaust. PT is the thread this family ships with as standard, and G or NPT can be specified at order time.
Confirm before you order
Two-station 3/2 NC assembly, PT1/8 ports, Cv 0.1 per path, operating pressure 0-0.8 MPa, temperature range -20 to 70 C, each AC220V coil 7 VA (14 VA combined), IP65 to DIN 40050, clean dry air filtered to 40 um or finer.
Each station feeds or vents a single-acting spring-return cylinder, an on/off blow line, a clamp or a pilot signal - three ports, two states per valve. It cannot drive a double-acting cylinder, which needs pressurisation on both sides; for that specify the AirTAC 4V 5-port series. Response time, weight and dimensions are not stated for this family, so confirm them from the datasheet via RFQ.
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