
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNOCI-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.
With 14 NC valve bodies on a single base, the 3V2MNOCI-14F trades a little flow for a lot of density. The flow path of each 3/2 valve runs through the base, which is why the coefficient is Cv 0.1 per station - a fair price when you need fourteen switching points on one footprint. Valves are direct acting, single solenoid with spring return, coils are AC110V at 7 VA, and each valve connects via a flying lead rather than a DIN socket.
Centralised exhaust means all fourteen stations vent through one common port, keeping the manifold neat and making silencing or exhaust collection straightforward. PT1/8 is the standard thread; G and NPT are catalogue options. Order the normally closed state deliberately - the dedicated base gasket cannot be flipped to change it.
| Model | Airtac 3V2M Solenoid Valve 3V2MNOCI-14F |
|---|---|
| Series | 3V2M |
| Valve type | 3/2-way (3-port, 2-position) |
| Function | Direct-acting, single solenoid, spring return |
| Initial state | Normally open |
| Item form | Complete assembly — 14 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. |
| NO | Normally open: air passes 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. |
| 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.
A rotary indexing table with fourteen pick-and-place or blow-off points keeps all its 3/2 valves on one compact 3V2M base.
Benchtop lab analysers switch small purge or actuation streams at fourteen positions where Cv 0.1 per point is plenty.
Fourteen low-flow pilot stages for larger process valves share one supply gallery and exhaust through the common port.
Size by duty, not by habit. Fourteen NC points at Cv 0.1 suit frequent, small-volume switching; anything needing more per-station flow should use a standalone 3V2 (Cv 0.18 at 1/8 in, 0.19 at 1/4 in, vacuum-rated) or the 3V3 at Cv 0.62 on 1/4 in, while the 3.0 W DC 3V1 covers low-power positions. Fix the five configuration points before ordering - normally closed state (it cannot be converted afterwards), AC110V voltage, flying-lead entry, 14F station count, centralised exhaust - and remember PT is the standard thread with G and NPT as order options. Double-acting cylinder control belongs to the AirTAC 4V range.
Confirm before you order
Every station gives Cv 0.1, works from 0-0.8 MPa (0-114 psi) and -20 to 70 C, and is protected to IP65 (DIN 40050). Coils are AC110V at 7 VA (DC options are 7.0 W), ports are PT1/8, and air must be filtered to 40 um or better; lubrication is not needed.
With D omitted, all fourteen stations vent through one common exhaust port on the base, which keeps piping tidy and lets you fit a single silencer. The NC state, however, is fixed: flipping the dedicated base gasket does not convert NC to NO, so order the state you need up front.
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