
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCB-13F 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.
Thirteen stations on one 3V2M base is where manifold density really pays - and where its flow ceiling shows. Each 3/2 normally closed path through the base is Cv 0.1, versus Cv 0.18 for an individually-ported 3V2, because air must cross the shared supply gallery. For thirteen light-duty single-acting or blow duties, that is rarely a constraint.
Each DC24V coil draws 7.0 W, so a fully energised 13-station assembly approaches 91 W, near 3.8 A at 24 V. Valves are direct-acting, single-solenoid, spring-return, with coaxial poppet sealing and a manual override for commissioning. All station vents combine at one centralised exhaust, ports are PT1/8, and protection is IP65 (DIN 40050).
| Model | Airtac 3V2M Solenoid Valve 3V2MNCB-13F |
|---|---|
| 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 — 13 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | DC24V |
|---|---|
| Electrical entry | DIN plug (DIN socket type) |
| Coil power | 7.0 W |
| 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. |
| DC24V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| — | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 13F | 13 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.
Thirteen pilot lines feeding process valves are switched from one manifold, sharing a single DC24V supply and one filtered-air feed.
Each clamp cylinder gets its own switching station, and the shared wiring makes an intermittent clamp easy to isolate and replace.
Thirteen on/off air jets strip rinse water from passing cans; NC valves guarantee every jet is dead the moment the line stops.
Lock in five things at order time: NC initial state (unconvertible later - the dedicated base gasket does not reverse it), DC24V, DIN plug entry, 13 stations, centralised exhaust. PT is the standard thread across 3V2M; G and NPT are order codes, not workshop changes.
When one station needs more than Cv 0.1, feed it from a standalone 3V2 (Cv 0.18 at 1/8 in, 0.19 at 1/4 in, vacuum-rated) or a 3V3 (Cv 0.62 at 1/4 in, vacuum-rated); when a duty is trivial but power is scarce, 3V1 runs at 3.0 W DC. Double-acting cylinders are outside any 3/2 valve - specify the AirTAC 4V 5-port series.
Confirm before you order
Cv 0.1 per path, 0-0.8 MPa (0-114 psi) pressure, -20 to 70 C temperature, IP65 (DIN 40050), and 7.0 W per DC24V coil - about 91 W if all thirteen stations energise together. AC versions of 3V2M draw 7 VA per coil. Air filtration should be 40 um or finer.
Each station passes no air to its outlet until its coil is energised; on de-energising, the spring vents the outlet to the shared exhaust. This state is chosen at purchase and cannot be changed by flipping the base gasket or by any other field method - order the NO code if the opposite behaviour is needed.
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