Airtac 3V2M Solenoid Valve 3V2MNCFI-18F
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCFI-18F 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 closed
- Port size1/8 in
- Coil voltageDC12V
- Electrical entryFlying lead (lead-out wire type)
- Stations18
- 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 3V2MNCFI-18F
The 3V2MNCFI-18F arrives as a finished bank: eighteen normally closed 3/2 valve bodies seated on a shared 3V2M manifold, each coil rated DC12V at 7.0 W and pre-terminated in flying leads instead of DIN sockets. One air inlet feeds all eighteen stations and one wiring run serves the whole row, so a fault on any single station is traced without disturbing its neighbours. Every station is a direct-acting coaxial poppet with spring return, Cv 0.1, PT1/8 ports.
Do the arithmetic before you choose the power supply: 18 stations x 7.0 W means about 126 W if every coil is held energised, roughly 10.5 A on a 12 V rail. Size the supply for that all-on figure, not for the stations that happen to run at commissioning. The NC initial state is fixed at the factory - refitting or reversing the base gasket does not convert it - so confirm normally closed is what the machine actually needs. A manual override on each body lets you exercise stations by hand before the wiring is live.
Airtac 3V2M Solenoid Valve 3V2MNCFI-18F Technical Specifications
| Model | Airtac 3V2M Solenoid Valve 3V2MNCFI-18F |
|---|---|
| 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 — 18 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | DC12V |
|---|---|
| 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 3V2MNCFI-18F
| 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. |
| DC12V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| I | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 18F | 18 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 3V2MNCFI-18F Is Used
Robot gripper array
Eighteen gripper and clamping cylinders on a pick-and-place arm are driven from one 3V2M manifold, each normally closed station venting its gripper to atmosphere the moment its output drops.
Carton diverter bank
Stopper, kicker and reject cylinders spaced along a packaging conveyor share a single supply through the manifold, and each NC station only fires when its segment of the line calls for it.
PLC panel wiring
Flying leads land straight on PLC output terminals, so an 18-station bank is wired like 18 digital outputs without buying, plugging and labelling 18 separate DIN connectors.
Is the Airtac 3V2M Solenoid Valve 3V2MNCFI-18F the Right Part?
Match five points to your machine before ordering: normally closed initial state, DC12V coil, flying-lead entry, 18 stations and centralised exhaust, with PT as the standard thread and G or NPT available to order. The NC/NO choice is permanent - the dedicated base gasket cannot be flipped to convert it later.
On flow, this bank is the density pick at Cv 0.1 per station, because air passes through the base. If one particular station needs more, the individual 3V2 offers Cv 0.18 at 1/8 and 0.19 at 1/4 and is vacuum-rated, 3V3 reaches Cv 0.62 at 1/4 for the heaviest duty in the range, and 3V1 at 3.0 W DC covers small low-power duties. To actuate a double-acting cylinder you need a 5-port valve - move to the AirTAC 4V series.
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 3V2MNCFI-18F FAQ
Each of the 18 stations is a 3/2 direct-acting poppet valve with Cv 0.1, operating pressure 0-0.8 MPa (0-114 psi), temperature -20 to 70 C and a DC12V coil drawing 7.0 W. Coil protection is IP65 (DIN 40050), ports are PT1/8, and the air must be filtered to 40 um or finer; lubrication is not required.
No - plan for the worst case. Each DC coil takes 7.0 W, so a fully energised 18-station bank is about 126 W, close to 10.5 A at 12 V. Also remember the normally closed state is set at the factory and cannot be converted afterwards, and that these 3/2 stations drive single-acting cylinders and blow duty only; double-acting cylinders need the AirTAC 4V 5-port series.
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