
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCCI-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 3V2M NC valve bodies are factory-matched to a 2-station base in this complete 3V2MNCCI-2F assembly. Each valve is a direct-acting, single-solenoid 3/2 unit with spring return and a coaxial shut-off poppet for good sealing. Because the initial state is NC, no air reaches any outlet until that coil is energised - the supply line sits live but every circuit stays vented. The C voltage code runs each coil on AC110V at 7 VA.
The I entry gives each station a pre-wired flying lead instead of a DIN socket, which speeds up wiring in tight control panels. Both valves draw supply and wiring from the shared base, so a fault on one circuit is traced without disturbing the other. Coil housings are IP65 to DIN 40050, and a manual override on each body helps during installation and commissioning.
| Model | Airtac 3V2M Solenoid Valve 3V2MNCCI-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 | AC110V |
|---|---|
| Electrical entry | Flying lead (lead-out wire 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. |
| I | 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 small case-sealing machine with two spring-return flap-fold cylinders: one NC station per folder, sequenced from a single supply, each outlet staying vented until its turn comes.
Two swing clamps on a machining fixture share the base supply and wiring, so a stuck clamp is diagnosed at the manifold instead of tracing individual valve connections.
Sorting lines use one station for the gate pusher and one for a product stop, both spring-return, both safely vented whenever the machine is de-energised.
Order the state deliberately: NC on this assembly cannot be converted to NO afterwards - flipping or reversing the dedicated base gasket does not change the function. Match five points before buying: initial state, coil voltage (here AC110V), electrical entry (flying lead), station count (2) and exhaust routing (centralised, so both stations vent through one port). Thread is PT1/8 as standard on this family; G and NPT are catalogue options to order.
At Cv 0.1 per station, 3V2M trades flow for manifold density because the flow path runs through the base. If one circuit needs more flow, an individual 3V2 gives Cv 0.18 at 1/8 in or 0.19 at 1/4 in and is vacuum-rated, while 3V3 reaches Cv 0.62 at 1/4 in for the highest flow in the 3V range. For low-duty, low-power points, 3V1 runs at just 3.0 W on DC. A double-acting cylinder needs a 5-port valve from the AirTAC 4V series, not this 3/2 valve.
Confirm before you order
Each 3/2 valve has a flow coefficient Cv 0.1, operates at 0-0.8 MPa between -20 and 70 C, and its AC110V coil draws 7 VA. The coil housing is rated IP65 (DIN 40050). Ports are PT1/8 and the base exhausts centrally.
The initial state is fixed by the valve variant. 3V2M uses a dedicated base gasket, and reversing that gasket does not convert NC to NO - there is no field conversion of any kind. If your circuits should pass air when de-energised, order the NO equivalent, 3V2MNOCI-2F, instead.
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