
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCC-18F 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.
Order the AirTAC 3V2MNCC-18F when a machine needs eighteen separately switched 3/2 functions but only one plumbing point. The normally closed bodies are direct-acting, spring return and coaxial shut-off in construction, and they mount on an 18F base that distributes one shared supply to every station.
The electrical side is equally unified: AC110V coils at 7 VA each, wired through DIN plugs, give a worst-case draw of about 126 VA with all eighteen energised - size the transformer for that. A centralised exhaust collects every vent into a single port. Cv 0.1 per station reflects flow through the base rather than the valve alone.
| Model | Airtac 3V2M Solenoid Valve 3V2MNCC-18F |
|---|---|
| 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 — 18 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. |
| NC | Normally closed: no air at the outlet 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. |
| 18F | 18 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.
Eighteen lift and clamp actuators on a semiconductor test handler, each vented or fed by its own 3/2 station.
Hold-down cylinders on eighteen sealing lanes, wired and plumbed from one manifold so a lane fault is found in seconds.
Eighteen 3/2 stations acting as pilot switches for larger process valves on a chemical dosing skid, one wiring loom throughout.
Choose 3V2M where many small 3/2 functions share one supply; accept Cv 0.1 per station as the price of that density. A station that needs more flow belongs on a standalone 3V2 (Cv 0.18 at 1/8 in, 0.19 at 1/4 in, vacuum-rated), while 3V3 (Cv 0.62, 1/4 in, vacuum-rated) covers the top of the range and 3V1 (3.0 W on DC) covers low-power duties. If the actuator is a double-acting cylinder, move to the AirTAC 4V series instead. The normally closed state of this assembly is locked in at manufacture - there is no field conversion.
Before ordering, tick the list: state NC, voltage AC110V, entry DIN plug, 18 stations, centralised exhaust, and thread (PT standard here; G or NPT available as catalogue order options).
Confirm before you order
Flow coefficient Cv 0.1 per station, pressure range 0-0.8 MPa (0-114 psi), temperature range -20 to 70 C, coil power 7 VA on AC110V (DC coils are 7.0 W), IP65 (DIN 40050) electrical protection, PT1/8 ports and a centralised exhaust.
No. A 3/2 valve has three ports - supply, outlet, exhaust - so it feeds or vents a single-port device: single-acting spring-return cylinders, clamps, blow nozzles or pilot stages. A double-acting cylinder needs pressure on both sides, which requires a 5-port valve such as the AirTAC 4V series.
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