Airtac 3V2M Solenoid Valve 3V2MNCB-2F
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNCB-2F 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)
- Stations2
- 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-2F
The 3V2MNCB-2F puts two normally closed 3/2 valves side by side on one 3V2M base - a compact twin bank that still enjoys the manifold benefits of a single PT1/8 supply, a shared wiring path and mixed valve options as the machine grows. Both valves are direct-acting, single-solenoid, spring-return poppet units driven by DC24V DIN-plug coils.
The twin format suits paired actions: feed and eject, clamp and release, jet A and jet B. Electrical load is modest - two coils at 7.0 W make 14 W, around 0.6 A at 24 V - and each station still delivers Cv 0.1, with both stations exhausting into the base's centralised gallery.
Airtac 3V2M Solenoid Valve 3V2MNCB-2F Technical Specifications
| Model | Airtac 3V2M Solenoid Valve 3V2MNCB-2F |
|---|---|
| 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 — 2 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-2F
| 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. |
| 2F | 2 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-2F Is Used
Small-press feed and eject
One station advances a single-acting feed slide on a small stamping press, the second fires the ejector, both venting automatically between strokes.
PCB pre-coat blow-off
Before conformal coating, one NC jet clears flux dust from the board edge and a second blows the component field, both sharing one 24 V feed.
Rotary fixture clamp-and-lock
A twin bank on a fast rotary fixture energises the work clamp for the cut and a second valve for the index lock, venting both the moment the cycle ends.
Is the Airtac 3V2M Solenoid Valve 3V2MNCB-2F the Right Part?
Because both valves are NC, each outlet sits vented until its 24 V coil is energised - a fail-vent default that fits clamps and blow duties. NC or NO is locked in at ordering; no gasket trick or refit changes it afterwards. If a duty needs more passage than the Cv 0.1 base path allows, use a stand-alone 3V2 (Cv 0.18 at 1/8, 0.19 at 1/4, vacuum-rated) or a 3V3 (Cv 0.62, 1/4, vacuum-rated); where power is the constraint, 3V1 needs only 3.0 W DC.
Before ordering, fix five points: NC state, DC24V voltage, DIN plug entry, two stations, centralised exhaust - plus thread (PT standard; G and NPT are orderable). A 3/2 valve cannot drive a double-acting cylinder; that job belongs 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-2F FAQ
Two NC 3/2 valve bodies on one base, PT1/8 port, Cv 0.1 flow coefficient per station, 0-0.8 MPa pressure range, -20 to 70 C operating temperature, DC24V coils at 7.0 W each (14 W total), IP65 (DIN 40050) coils, direct-acting spring-return action. Air must be filtered to 40 um or finer; lubrication is not required.
On a shared 3V2M base the twin valves draw air and control wiring from one point, so installation means fewer connections and a fault shows up as a pattern across the bank rather than an isolated mystery. If independent supply or separate exhaust capture matters more than density, individual valves or a -D independent-exhaust base are the alternative. Either way a 3/2 valve drives single-acting actuators only; for double-acting cylinders specify the AirTAC 4V series.
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