
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCE-12F 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.
Twelve stations is where the 3V2M platform starts replacing a whole cabinet of individual valves. The 3V2MNCE-12F is a 12-station assembly of NC 3/2 bodies with one shared PT1/8 supply and one wiring run, using AC24V DIN coils at 7 VA each - 84 VA if everything is energised together.
Spring-return poppet valves vent the outlet when de-energised, so a loss of control power drops every circuit to a defined state, which suits interlock and clamp duty. IP65 (DIN 40050) protects the coil connections, and centralised exhaust keeps all twelve vents on a single base port. The state is part of the part number: NC cannot be flipped to NO on site.
| Model | Airtac 3V2M Solenoid Valve 3V2MNCE-12F |
|---|---|
| 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 — 12 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC24V |
|---|---|
| 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. |
| AC24V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| — | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 12F | 12 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 robot EOAT plate with twelve single-acting grippers and blow tips takes one valve station per function, all fed from the base single PT1/8 supply through the wrist.
Loading-dock shelters with multiple inflatable bladders use one NC station per bladder: energise to inflate, de-energise to vent through the shared exhaust port.
A transfer line with twelve guarded access doors uses one station per door lock cylinder; NC wiring means every lock circuit vents in a predictable way when control power is removed.
Match five points to the project: NC state, AC24V coil, DIN plug entry, twelve stations, centralised exhaust, and thread - PT as the family standard, with G or NPT available to order. The NC/NO choice is permanent once ordered; no gasket trick converts it.
Cv 0.1 per station suits pilots, clamps and blow, not high-volume air delivery; step a hungry circuit out to a 3V2 (Cv 0.18 at 1/8, 0.19 at 1/4, vacuum-rated) or a 3V3 (Cv 0.62, 1/4), or keep small duties on 3V1 at 3.0 W DC. A double-acting cylinder needs the 5-port AirTAC 4V, not this 3/2 manifold.
Confirm before you order
Twelve 3/2 NC stations on one manifold, Cv 0.1 per station, 0-0.8 MPa (0-114 psi), -20 to 70 C, PT1/8 ports, AC24V DIN coils at 7 VA each - 84 VA if all twelve pull in together - IP65 (DIN 40050), centralised exhaust, air filtration to 40 um or finer.
Yes. State is an ordering choice, not a field adjustment: AirTAC states that flipping the dedicated base gasket does not convert NC to NO. If one station must be normally open, order that station as a NO body - mixed NC and NO valves can share the same base and supply.
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