
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCAI-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 stations make 3V2MNCAI-9F the kind of bank you grow into: 3V2M bases combine and expand freely, so adding positions later means bolting on valves, not redesigning the air circuit. Each position here is an NC 3/2 direct-acting valve with spring return, coaxial poppet sealing and an AC220V coil on a flying lead.
Diagnostics stay quick because one air gallery and one wiring run serve all nine valves. Budget 63 VA if every coil holds in at once. The shared centralised exhaust lets all stations vent through one silenced port, and each valve keeps Cv 0.1 flow through the base.
| Model | Airtac 3V2M Solenoid Valve 3V2MNCAI-9F |
|---|---|
| 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 — 9 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC220V |
|---|---|
| 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. |
| AC220V | 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.
Nine clamp cylinders on an automotive sub-assembly fixture share one air gallery and one wiring duct through the manifold.
Each NC 3/2 pilots a larger pneumatically actuated ball valve on a water-treatment skid.
High-cycle spring-return cutoff slides on a cartoning machine are driven and vented per station at Cv 0.1.
Confirm the five order points - initial state, voltage, entry, station count, exhaust style - and the thread (PT standard on 3V2M, G and NPT available to order). Because the state is fixed at the factory and cannot be reversed later, double-check NC against NO before you commit; the base gasket is not a convertor.
Compare families honestly: this bank gives Cv 0.1 per station in exchange for compact multi-valve mounting; a lone 3V2 breathes 0.18-0.19, a 3V3 reaches 0.62, and both tolerate vacuum, while 3V1 keeps DC draw to 3.0 W. Anything acting on a double-acting cylinder belongs to the 4V series.
Confirm before you order
Each station is a 3/2 NC direct-acting valve of Cv 0.1. Supply 0-0.8 MPa (0-114 psi), medium -20 to 70 C, AC220V coils drawing 7 VA (63 VA total if all nine hold in), protection IP65 (DIN 40050), connection PT1/8. Filter the air to 40 um or finer; the valves run dry without lubrication.
Stations on 3V2M bases combine and expand freely, and valve types can be mixed across the bank, but the initial state of each valve is fixed at the factory. Reversing or flipping the dedicated base gasket will not convert NC to NO, so order the state you need per position when you place the order.
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