
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCA-17F 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.
The 3V2MNCA-17F puts seventeen NC 3/2 valve stations behind one air inlet and one electrical feed. Each valve is a direct-acting, spring-return poppet with an AC220V coil on a DIN plug, and the base exhausts centrally, so blown-off chips, dust or product leave through a single ducted point.
Seventeen stations is where the shared-wiring design earns its keep: one loom, one socket pattern, and a manual override on each body make commissioning and later troubleshooting methodical. Sealing is coaxial shut-off, coil power is 7 VA AC per station, and the assembly is rated IP65 (DIN 40050).
| Model | Airtac 3V2M Solenoid Valve 3V2MNCA-17F |
|---|---|
| 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 — 17 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC220V |
|---|---|
| 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. |
| AC220V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| — | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 17F | 17 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.
Guard locks and hold-downs on a press brake stay released until the control energises the matching NC station.
Weld fixtures clamp sheet with spring-return cylinders, each clamp on its own valve, exhausts ducted to one central point.
Chip and coolant blow nozzles around a machining centre pulse in sequence, all venting through the single central port.
Lock in the configuration first: normally closed state, AC220V coils, DIN plug entry, 17 stations with centralised exhaust, PT1/8 ports (G and NPT as catalogue options to order). Remember the state is fixed at order - flipping the dedicated base gasket does not convert NC to NO, and no field change can.
Size each station honestly: Cv 0.1 suits small single-acting cylinders, clamps and blow duties; anything thirstier belongs on an individual 3V2 (Cv 0.18 at 1/8 in, 0.19 at 1/4 in, vacuum-rated) or a 3V3 (Cv 0.62, 1/4 in). Keep 3V1 at 3.0 W DC for low-power tasks, and use the AirTAC 4V series for double-acting cylinders.
Confirm before you order
Seventeen NC 3/2 stations, Cv 0.1 each, pressure 0-0.8 MPa (0-114 psi), temperature -20 to 70 C, 7 VA per AC220V coil (7.0 W on DC variants), IP65 (DIN 40050), centralised exhaust, PT1/8 thread.
NC is right when stations must be vented while de-energised, as on clamps and guards; NO passes air until energised. The choice is fixed at order time - reversing the dedicated base gasket does not convert the state, so all 17 stations must be specified correctly up front.
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