
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNOC-5F 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.
3V2MNOC-5F is a ready-matched set: five normally open 3/2 valve bodies seated on a 5F base. In the rest state each station passes air from supply to outlet; energising a coil shifts the poppet and vents that station. The direct-acting, spring-return coaxial shut-off design seals well and needs no minimum pressure differential to shift.
All five stations draw from one supply port and one wiring harness, so tracing a fault means checking one harness and labelled stations rather than five separate valves. Coils are AC110V at 7 VA each - 35 VA if all five hold energised - IP65 to DIN 40050, with a manual override on every body for commissioning. A dedicated base gasket sets the NO state and cannot be flipped to change it.
| Model | Airtac 3V2M Solenoid Valve 3V2MNOC-5F |
|---|---|
| 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 — 5 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. |
| NO | Normally open: air passes 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. |
| 5F | 5 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.
A bottling plant holds five rinse-station gates open on standby air; the normally open valves keep pressure up while idle and vent each gate when its coil is signalled.
Five diverter gates along a sorter each take one station: air flows while de-energised to keep the gate out, and energising vents the line so the spring pulls the gate back.
A pallet-changing machining centre uses five normally open stations to hold swing clamps engaged until the control energises a station to release it.
Choose this set when station density beats raw flow: Cv 0.1 per valve covers small single-acting cylinders, blow and pilot duty. Where one station needs more flow, fit an individual 3V2 (Cv 0.18 at 1/8) or 3V3 (Cv 0.62) there; 3V1 is the low-power alternative at 3.0 W DC. A double-acting cylinder calls for a 5-port AirTAC 4V valve, not this 3/2 set.
Before ordering, confirm all five points: NO initial state, AC110V coil, DIN plug entry, 5 stations, centralised exhaust, with PT as the standard thread (G and NPT are catalogue options). The state is factory-set and cannot be changed afterwards.
Confirm before you order
Each valve is a 3/2 direct-acting poppet with Cv 0.1, 0-0.8 MPa (0-114 psi) operating pressure, -20 to 70 C media temperature, AC coils at 7 VA (DC versions are 7.0 W), IP65 (DIN 40050) protection and PT1/8 ports. The 5F base carries five stations with one shared supply and a centralised exhaust. Air must be filtered to 40 um or finer; lubrication is not required.
No. The dedicated base gasket cannot be flipped or reworked to swap the initial state, and no field change converts NO to NC. Order the state you need; for circuits that must pass air while de-energised, this normally open set is correct as supplied.
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