
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNOBI-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.
At nine stations the 3V2MNOBI-9F is the largest assembly in this group: nine NO 3/2 valve bodies on a single 3V2M manifold, one PT1/8 supply, one centralised exhaust, and nine DC24V coils of 7.0 W each ending in flying leads. A normally open build fits wherever the safe or desired condition is air flowing - the coil is fired to interrupt it, not to start it.
Because every valve plugs onto the same base, the nine stations share one air feed and one wiring entry, and a single air shut-off isolates the entire bank for maintenance. Nine energised coils total 63 W, close to 2.6 A at 24 V - worth checking against your supply before commissioning. Coils are rated IP65 (DIN 40050) and each body carries a manual override to help during installation checks.
| Model | Airtac 3V2M Solenoid Valve 3V2MNOBI-9F |
|---|---|
| Series | 3V2M |
| Valve type | 3/2-way (3-port, 2-position) |
| Function | Direct-acting, single solenoid, spring return |
| Initial state | Normally open |
| Item form | Complete assembly — 9 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | DC24V |
|---|---|
| Electrical entry | Flying lead (lead-out wire 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. |
| NO | Normally open: air passes until the coil is energised. |
| DC24V | 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.
Normally open knives blow rinse water off PET bottles continuously; each zone's coil is energised to close its blade when the line stops.
De-energised-pass valves keep cooling air on the barrel by default, while the temperature controller interrupts jets zone by zone.
A single manifold serves nine small blow and clamp points around the bench, with one isolation valve and one harness instead of nine of each.
This nine-station normally open bank buys density: nine valves, one feed, one loom. The cost of routing flow through the base is Cv 0.1 per station, so hand any station that must shift more air to a standalone 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, vacuum-rated), and let 3V1 at 3.0 W DC handle the small points.
NC and NO are built into the valve body at manufacture - the dedicated 3V2M base gasket cannot be flipped to change the state afterwards, so order NO deliberately. Check the complete match before sending the RFQ: NO state, DC24V, flying lead entry, nine stations, centralised exhaust, PT1/8 thread with G or NPT as order options. For double-acting cylinder circuits, use the AirTAC 4V series of 5-port valves.
Confirm before you order
Yes - the 3V2M family is built to order. Specify NC or NO, any of AC220V, DC24V, AC110V, AC24V or DC12V, DIN plug or flying lead, 1 to 20 stations, and centralised or independent exhaust. Whatever you order is fixed: the state cannot be converted in the field. Core figures stay Cv 0.1, 0-0.8 MPa, -20 to 70 C, 7.0 W per DC coil (7 VA for AC) and IP65.
Every DC24V 3V2M coil draws 7.0 W, so nine coils energised together need about 63 W - near 2.6 A at 24 V. Size the supply for all nine on at once rather than the typical two or three, or a simultaneous PLC all-on test will pull the bank down.
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