
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNOC-16F 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.
The 3V2MNOC-16F arrives as a ready-matched package: sixteen 3/2 normally open valve bodies fitted to a 16-station 3V2M base, all coils rated AC110V at 7 VA and terminated through DIN plug sockets. Every valve is a direct-acting, single-solenoid unit with spring return and a coaxial poppet shut-off, so the outlet feeds air while the coil is de-energised and vents the moment it is energised. That inverted behaviour is the whole point of a NO build - it lets a machine fail into the exhausting state or hold an actuator retracted by default.
Because all sixteen valves share one base, one air supply gallery and one wiring run, commissioning a 16-point machine means sixteen PT1/8 connections and one common supply instead of sixteen separately plumbed valves. One practical caution before you order: the normally open state on 3V2M is set inside the valve itself. The dedicated base gasket cannot be flipped or reversed to change NC into NO or back, so the state must be right at order time. Each coil is sealed to IP65 (DIN 40050) and a manual override on every body helps during set-up.
| Model | Airtac 3V2M Solenoid Valve 3V2MNOC-16F |
|---|---|
| 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 — 16 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. |
| NO | Normally open: air passes 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. |
| 16F | 16 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 rinse-and-blow station on a beverage line uses sixteen NO jets that all pass air while idle; energising each coil in sequence from the shared AC110V run cuts that jet off, so the centralised exhaust carries the venting between blasts.
Sixteen single-acting spring-retract clamps stay gripping while de-energised because the valves are normally open; dropping a coil vents its clamp through the common exhaust for fast piece changeover on one manifold.
A electronics test rig drives sixteen spring-return ejector pins from one PT1/8-supplied base; the NO state keeps pins seated on air by default and each coil release sends its pin home, with the manual override helping during pin alignment.
Check five things against this SKU before buying: normally open initial state (it cannot be converted afterwards, not even by reversing the base gasket), AC110V coil supply, DIN plug electrical entry, 16 stations, and centralised exhaust - all sixteen valves vent through one common port rather than each having its own. Thread on the base is PT as standard; G and NPT are order options.
Size honestly against the alternative bodies. This manifold type flows Cv 0.1 per station because air passes through the base - if any single point on your machine needs more, an individually ported 3V2 gives Cv 0.18 at 1/8 in (0.19 at 1/4 in) and is vacuum-rated, while 3V3 reaches Cv 0.62 at 1/4 in with a vacuum rating as well. Where duty is light and coil heat matters, 3V1 draws only 3.0 W on DC. If any actuator on the machine is double-acting, a 3/2 valve will not run it - move that axis to the 5-port AirTAC 4V series.
Confirm before you order
Each of the sixteen valve bodies is a 3/2 direct-acting, single-solenoid, spring return unit of coaxial poppet construction with a flow coefficient Cv 0.1, operating pressure 0-0.8 MPa (0-114 psi), temperature range -20 to 70 C, and IP65 (DIN 40050) coil protection. The AC110V coils draw 7 VA each (DC versions of this series draw 7.0 W), ports are PT1/8, air must be filtered to 40 um or finer with no lubrication needed, and a manual override is fitted to every body. The base is a 16-station manifold with centralised exhaust.
A normally open 3/2 valve passes air to its outlet while de-energised and vents the outlet when the coil is energised - useful where a clamp or jet must stay active through a power failure. The choice is made at order time only: on the 3V2M series the initial state is fixed by the valve construction, and reversing the dedicated base gasket does NOT convert NC to NO or the reverse. If your circuit needs the opposite default, order the NC variant instead. Also note that each valve drives single-acting (spring-return) cylinders, blow, clamping or pilot duty only - a double-acting cylinder requires a 5-port AirTAC 4V valve.
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