
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNOEI-9F 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.
Nine valves sharing one supply gallery and one wiring bus is what makes this 9F assembly quick to troubleshoot: a station that misbehaves stands out against neighbours fed under identical conditions. Each valve is a 3/2 normally open, direct-acting, spring-return unit with coaxial poppet sealing, Cv 0.1 and PT1/8 ports.
Total coil load at AC24V is 7 VA per station, so a fully energised bank draws about 63 VA - size your transformer for that ceiling. Exhaust is centralised through the base, keeping the outside of the machine clean. IP65 coil protection (DIN 40050) suits dusty plant environments, and a manual override on every body speeds up set-up and fault tracing.
| Model | Airtac 3V2M Solenoid Valve 3V2MNOEI-9F |
|---|---|
| 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 — 9 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC24V |
|---|---|
| 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. |
| AC24V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| I | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 9F | 9 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 materials test rig cycles nine single-acting loading pins in sequence; identical supply and wiring conditions make an off-spec station obvious at a glance.
Nine idler rollers on a paper converting line each carry a set pneumatic load; the NO valve vents a station only when the controller calls for release.
Ejector pins across a ceramic tile mould drop finished parts station by station, all fed from one PT1/8 supply gallery and vented through one port.
Treat Cv 0.1 as the price of manifold density: the flow path runs through the 9F base, so per-station flow is lower than the stand-alone 3V2 (Cv 0.18 at 1/8, Cv 0.19 at 1/4, vacuum-rated) and much lower than 3V3 (Cv 0.62, 1/4, vacuum-rated). For modest duties where power matters more than flow, 3V1 at 3.0 W DC is the leaner pick. If the actuator is double-acting, the 3/2 format cannot serve it - move to the AirTAC 4V series.
Nothing on 3V2M converts NO to NC after purchase; the initial state is sealed in at the factory. So before you RFQ, confirm: normally open state, AC24V coil, flying-lead entry, nine stations, centralised exhaust, and thread - PT1/8 is standard, while G and NPT are options you specify at order time.
Confirm before you order
Nine 3/2 direct-acting, spring-return stations, normally open, Cv 0.1 each, 0-0.8 MPa operating pressure, -20 to 70 C, AC24V coils at 7 VA each (DC types 7.0 W), IP65 to DIN 40050, PT1/8 ports with G and NPT as order options, centralised exhaust and flying-lead wiring.
NO logic suits circuits where the outlet must pass air as soon as supply is present and vent only on command - common with clamps that must stay engaged through a power cut. The state cannot be converted afterwards: the dedicated base gasket does not reverse NC to NO, so the correct state must be ordered up front.
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