Airtac 3V2M Solenoid Valve 3V2MNCB-7F
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCB-7F 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)
- Stations7
- 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-7F
Seven normally closed 3/2 valves, one 7F base, one wiring harness: that is the 3V2MNCB-7F. Each direct-acting, spring-return poppet valve holds its outlet vented until the DC24V coil energises, then feeds air to the actuator. With no D code, all stations discharge through a centralised exhaust port, so only one silencer and one exhaust line are needed for the whole assembly.
Every DIN plug coil draws 7.0 W, so all seven energised together total 49 W, about 2.0 A at 24 V - check your power supply against that figure. Flow is Cv 0.1 per station, pressure range 0-0.8 MPa, IP65 protection. PT1/8 is the standard thread, with G and NPT available as order options.
Airtac 3V2M Solenoid Valve 3V2MNCB-7F Technical Specifications
| Model | Airtac 3V2M Solenoid Valve 3V2MNCB-7F |
|---|---|
| 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 — 7 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-7F
| 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. |
| 7F | 7 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-7F Is Used
Clamps on a CNC fixture plate
Seven NC valves feed seven spring-return swing clamps around a machining fixture; a power cut vents every clamp at once.
Screw-feeding heads on an assembly cell
Each bolt-driving head gets its own NC valve from the shared block, with the manual override helping set-up and commissioning.
Pilot signals inside a control panel
Mount the 7F manifold beside the PLC and use each 3/2 stage as a pilot stage for larger process valves.
Is the Airtac 3V2M Solenoid Valve 3V2MNCB-7F the Right Part?
This seven-station NC assembly suits machines where a single common exhaust is acceptable and wiring simplicity matters more than isolated venting; if you later need to pipe each station discharge separately, the -7FD version adds independent exhaust. For duties needing more than Cv 0.1, an individual 3V2 gives Cv 0.18 (1/8 in) or 0.19 (1/4 in) and is vacuum-rated, while 3V3 reaches Cv 0.62 at 1/4 in. Where coil power dominates, 3V1 runs at only 3.0 W DC.
Order by five points: NC state, DC24V voltage, DIN plug entry, 7 stations, centralised exhaust. Remember the normally closed function is fixed for life - it cannot be converted on site, so double-check before purchase. Double-acting cylinders require the AirTAC 4V series, not this 3/2 manifold.
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-7F FAQ
Seven NC 3/2 direct-acting spring-return poppet valves on a shared 7F base. Cv 0.1 per station, 0-0.8 MPa (0-114 psi), -20 to 70 C, DC24V DIN plug coils at 7.0 W each, IP65 (DIN 40050), PT1/8, centralised exhaust. Air must be filtered to 40 um or finer; no lubrication needed.
Each 3/2 stage controls one single-acting (spring-return) cylinder, an on/off blow line, a clamp or a pilot stage. A double-acting cylinder needs two outlet ports, so use the AirTAC 4V series for that. Note also that the 3V2M family carries no vacuum rating.
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