
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCE-7F 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.
All seven stations of the 3V2MNCE-7F vent through a single centralised exhaust port on the base - one muffler, one possible exhaust duct away from the operator, instead of seven scattered vents. Seven normally closed 3/2 valve bodies share one PT1/8 supply and one wiring run on the 7F base, each coil a 7 VA AC24V DIN-plug unit (49 VA if all energised).
The valves are direct-acting, spring return, coaxial poppet shut-off, Cv 0.1, IP65 (DIN 40050). NC logic means every outlet is vented until its coil pulls in, and the manual override on each body lets you jog individual stations during commissioning. If a station must exhaust separately - say a noisy or oily vent - order the D independent-exhaust version instead.
| Model | Airtac 3V2M Solenoid Valve 3V2MNCE-7F |
|---|---|
| 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 — 7 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC24V |
|---|---|
| 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. |
| NC | Normally closed: no air at the outlet until the coil is energised. |
| AC24V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| — | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 7F | 7 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.
Fire short purge or blow pulses at seven points along a tray denesting conveyor, with all exhaust collected at one port.
Drive seven spring-return bottle clamps on a rinsing monobloc, dropping open together when the 24 V AC control circuit fails.
Sequence seven hold-down cylinders across a CNC router bed from one manifold, vented-safe between cycles.
Treat Cv 0.1 as the price of manifold density; the base adds restriction an individually ported valve does not have. Step a demanding station out to a single 3V2 (Cv 0.18 at 1/8, 0.19 at 1/4, vacuum-rated) or a 3V3 (Cv 0.62, 1/4, vacuum-rated), and use 3V1 (3.0 W DC) for low-heat duty. State, voltage and exhaust are fixed at purchase: NC cannot be converted to NO in the field, by gasket reversal or otherwise.
Check the order points - NC state, AC24V coil, DIN plug entry, seven stations, centralised exhaust, PT thread standard with G and NPT as catalogue options. A double-acting cylinder calls for a 5-port valve: the AirTAC 4V series.
Confirm before you order
Seven NC 3/2 valves on a shared base: Cv 0.1 per valve, 0-0.8 MPa (0-114 psi) operating pressure, -20 to 70 C media temperature, AC24V coils at 7 VA each (49 VA total), IP65 (DIN 40050), PT1/8 thread, centralised exhaust.
Centralised exhaust (this model) vents all seven stations through one base port, so one muffler or duct serves the island and the work area stays clear. Choose the D code instead when a station's vent must be piped or silenced on its own. Exhaust style, like state and voltage, is fixed at order time.
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