Airtac 3V2M Solenoid Valve 3V2MNOBI-3F
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNOBI-3F 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.
- Valve type3/2-way (3-port, 2-position)
- Initial stateNormally open
- Port size1/8 in
- Coil voltageDC24V
- Electrical entryFlying lead (lead-out wire type)
- Stations3
- Flow (Cv)0.1
- Series3V2M
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac 3V2M Solenoid Valve 3V2MNOBI-3F
3V2MNOBI-3F pairs three normally open 3/2 valve bodies with a 3-station 3V2M base, so one part number buys a working manifold instead of loose valves. Each station is direct-acting with a single solenoid, spring return and a coaxial shut-off poppet for positive sealing. Because the initial state is NO, every outlet passes air from the shared supply until its coil is energised, then vents it - a fail-safe-on-power-loss pattern. The DC24V coils draw 7.0 W per station, and the flying-lead entry means each valve arrives pre-wired for direct terminal connection rather than needing a DIN plug socket.
The base takes a single PT1/8 supply and feeds all three stations through one shared wiring loom, with a centralised exhaust port serving the whole block, which cuts pipe runs and speeds up fault-finding. Manual override is fitted on each valve for commissioning, and the assembly is IP65 (DIN 40050). One caution: NO is fixed at order. The dedicated base gasket cannot be flipped or reversed to convert the state, so confirm NO is what your circuit needs before you buy.
Airtac 3V2M Solenoid Valve 3V2MNOBI-3F Technical Specifications
| Model | Airtac 3V2M Solenoid Valve 3V2MNOBI-3F |
|---|---|
| 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 — 3 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.
Model Code: Airtac 3V2M Solenoid Valve 3V2MNOBI-3F
| 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. |
| 3F | 3 stations in one assembly, centralised exhaust. |
| PT | Port thread. PT ships from stock; G and NPT are available to order. |
What a 3/2 Valve Does
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.
Where the Airtac 3V2M Solenoid Valve 3V2MNOBI-3F Is Used
Fixture clamps on a CNC machining cell
Three normally open clamps grip the workpiece the moment plant air arrives and release it if the supply drops, so a power failure cannot trap a part in an unclamped fixture.
Blow-off nozzles on a food packaging line
Each NO station keeps its blow nozzle purging crumbs and dust between packs and cuts off cleanly when the PLC energises the coil for a stop or changeover.
Pilot control of process gates on a bottling line
The flying-lead valves sit in the control cabinet and pilot larger gate or divert valves, with the manifold keeping three pilot functions on one air and one wiring run.
Is the Airtac 3V2M Solenoid Valve 3V2MNOBI-3F the Right Part?
Match five points to your circuit: normally open state, DC24V coil, flying-lead entry, 3 stations and centralised exhaust, on the PT standard thread (G and NPT are order options, not the default). Then check flow honestly: Cv 0.1 is the trade-off for routing through the manifold base - the individually ported 3V2 gives Cv 0.18 at 1/8 in and is vacuum-rated, the 3V3 reaches Cv 0.62 at 1/4 in, and the 3V1 at 3.0 W DC suits small duties where coil power matters more than density.
Budget the 24 V supply for the worst case: three stations all energised draw about 21 W, comfortably under 1 A, so a small PSU leaves headroom to expand the manifold later. Remember each 3/2 station either feeds or vents one port, driving spring-return single-acting cylinders, clamps and blow-off - a double-acting cylinder needs a 5-port valve from the AirTAC 4V series instead.
Confirm before you order
- ✓ Port size and thread (PT from stock; G / NPT to order)
- ✓ Initial state — NC or NO, ordered up front
- ✓ Coil voltage matches your controller output
- ✓ Electrical entry — DIN plug or flying lead
- ✓ Single valve, bare base, or complete assembly
- ✓ Single-acting duty, not double-acting
Installation & Wiring Notes
- check Use clean air filtered to 40µm or finer.
- check Stay within 0-0.8 MPa (0-114 psi) operating pressure.
- check Match the coil voltage to your controller output.
- check Use the manual override to test before powering up.
- check Leave the exhaust port clear, or fit a silencer.
- check Blank any unused station on the base before pressurising.
- check Wiring by qualified personnel, per AirTAC documentation.
Airtac 3V2M Solenoid Valve 3V2MNOBI-3F FAQ
It is a 3-station assembly of normally open 3/2 valves on a 3V2M base with centralised exhaust and PT1/8 ports. Flow coefficient Cv 0.1, operating pressure 0-0.8 MPa (0-114 psi), temperature -20 to 70 C, DC24V coils at 7.0 W each (AC versions are 7 VA), protection IP65 to DIN 40050, and air filtered to 40 um or finer with no lubrication required.
No. The initial state is fixed at order - reversing or flipping the dedicated base gasket does not convert NO to NC, so order the state your circuit actually needs. In NO mode each outlet passes air until energised, then vents it. Each 3/2 station drives single-acting spring-return cylinders, clamps, blow-off or pilot duty; it cannot drive a double-acting cylinder, which requires a 5-port AirTAC 4V valve.
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