
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNOE-16F 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.
Sixteen identical 3/2 stations make up the 3V2MNOE-16F: normally open valve bodies on a single AirTAC 3V2M base, coils rated AC24V at 7 VA and plugged into DIN sockets. Each station is direct-acting and spring returned around a coaxial shut-off poppet, giving three ports and two states - feed the outlet, or dump it to exhaust. Flow coefficient is Cv 0.1 per valve.
The NO logic inverts the usual wiring habit: outlets are live with air as soon as supply is on, and energising a coil shuts that station and vents it. Sixteen energised coils together ask for about 112 VA, worth noting when you size the transformer. All sixteen valves share one air inlet, one electrical entry and one centralised PT1/8 exhaust, so a fault is traced on one loom rather than across sixteen separate hookups.
| Model | Airtac 3V2M Solenoid Valve 3V2MNOE-16F |
|---|---|
| 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 — 16 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. |
| NO | Normally open: air passes 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. |
| 16F | 16 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.
Spring-raised stopper pins on a bottling conveyor hold crates between stations; with NO valves they stay fed through a control outage and drop only when a coil is energised to vent.
Each ejector finger on a PCB handling magazine stays extended while de-energised and retracts the moment its station vents, so a board is never left unsupported by a failed solenoid.
A plastic extrusion line vents trapped clamp air to a safe state on command; energising the relevant NO station dumps that circuit while the other fifteen keep working.
This assembly wins where many small 3/2 duties sit side by side and Cv 0.1 per valve is enough. If one circuit runs short of flow, an individual 3V2 delivers Cv 0.18 on 1/8 or 0.19 on 1/4 and is vacuum-rated; a 3V3 reaches Cv 0.62 on a 1/4 port and is also vacuum-rated. Light duties on a tight power budget suit the 3V1 at 3.0 W DC. A double-acting cylinder needs both pressure and exhaust at once, so it belongs on the AirTAC 4V 5-port series, not here.
Before ordering, settle the five-point match: normally open state, AC24V coil, DIN plug entry, 16 stations, centralised exhaust, plus thread - PT1/8 is the family standard, with G or NPT available to order. The NO configuration is permanent once built and cannot be swapped for NC afterwards.
Confirm before you order
Each 3/2 station has one outlet, so it controls single-acting spring-return cylinders, air clamps, blow nozzles and pilot stages. It cannot drive a double-acting cylinder, which needs simultaneous pressure and exhaust ports - use the AirTAC 4V 5-port series for that duty.
Each valve offers Cv 0.1, operates at 0-0.8 MPa (0-114 psi) between -20 and 70 C, and its AC24V coil takes 7 VA (DC builds of this family take 7.0 W), sealed to IP65 per DIN 40050. Sixteen stations share one supply and one centralised exhaust on a PT1/8 manifold; air must be filtered to 40 um or better, with no lubrication needed.
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