Airtac 3V2M Solenoid Valve 3V2MNCB-18F
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCB-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 voltageDC24V
- Electrical entryDIN plug (DIN socket 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 3V2MNCB-18F
The 3V2MNCB-18F is a complete eighteen-station bank: eighteen NC 3/2 valve bodies pre-mounted on one dedicated 3V2M base, all fed from a single PT1/8 supply port and switched by DC24V coils plugged into DIN sockets. Each valve is direct-acting, single-solenoid and spring return with a coaxial shut-off poppet, so the outlet stays vented until its coil is energised.
Because supply and wiring are shared, one supply line and one wiring run cover the whole bank, which makes fault-finding a matter of walking the stations. Flow through each station is Cv 0.1 - the price of routing through the base - and at 7.0 W per coil the full bank draws 126 W, roughly 5.25 A at 24 V if every station is energised at once.
Airtac 3V2M Solenoid Valve 3V2MNCB-18F Technical Specifications
| Model | Airtac 3V2M Solenoid Valve 3V2MNCB-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 | DC24V |
|---|---|
| Electrical entry | DIN plug (DIN socket 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 3V2MNCB-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. |
| DC24V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| — | 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 3V2MNCB-18F Is Used
Rotary transfer clamp bank
Eighteen single-acting clamps around a rotary transfer machine each take one station; a dropped 24 V supply vents every clamp instead of leaving them gripping the part.
Filling-line reject pushers
Each lane on a bottle filler gets its own NC valve, so de-energised lanes keep their pushers retracted and only energised stations fire a reject stroke.
Modular pallet fixtures
Machining centres that swap pallet fixtures can wire each pallet's clamp circuit to one station, mixing valve counts on the same base as the cell grows.
Is the Airtac 3V2M Solenoid Valve 3V2MNCB-18F the Right Part?
Order the state deliberately: on this NC assembly every outlet is closed and vented until its coil sees 24 V DC, and a purchased NC cannot be converted to NO afterwards - flipping or refitting the base gasket does not change the function. Pick this bank when manifold density beats flow; if a single station must pass more air, swap that position's circuit to an individual 3V2 (Cv 0.18 at 1/8, 0.19 at 1/4, vacuum-rated) or a 3V3 (Cv 0.62, 1/4, vacuum-rated), and use 3V1 (3.0 W DC) where duty is light and power is scarce.
Match five points before ordering: NC initial state, DC24V coil, DIN plug entry, eighteen stations with centralised exhaust, and thread (PT standard here; G and NPT are order options). To actuate a double-acting cylinder you need a 5-port valve - step 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 3V2MNCB-18F FAQ
Eighteen 3/2 NC valve bodies on one 3V2M base, PT1/8 ports, Cv 0.1 flow coefficient per station, operating pressure 0-0.8 MPa, media temperature -20 to 70 C, DC24V coils at 7.0 W each (126 W total if all energised), IP65 (DIN 40050) protection, direct-acting with spring return. Air must be filtered to 40 um or finer; lubrication is not required.
No. The initial state is fixed when the valve is ordered: NC means no air at the outlet and the outlet vented until the coil is energised. The 3V2M base gasket cannot be flipped or re-fitted to reverse the function, so any station that must pass air while de-energised has to be ordered as NO from the start.
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