Airtac 3V2M Solenoid Valve 3V2MNOAI-18F
The AirTAC Airtac 3V2M Solenoid Valve 3V2MNOAI-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 open
- Port size1/8 in
- Coil voltageAC220V
- 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 3V2MNOAI-18F
The 3V2MNOAI-18F puts eighteen normally open 3/2 valves on a single manifold base that vents all stations through one centralised exhaust port. That keeps pipework short and vents at one silenced point, and it means each coil only needs its two flying-lead cores run back to the panel. Each valve is a direct-acting, single-solenoid, spring-return unit with a coaxial shut-off poppet and a Cv 0.1 flow coefficient.
Because the flow path passes through the base, per-station flow is lower than an individual valve - that is the deliberate trade this family makes for density. The AC220V coils draw 7 VA each, so an eighteen-station bank with every coil energised needs about 126 VA from your control transformer. Air supply is shared across the base, and each coil carries an IP65 rating (DIN 40050).
Airtac 3V2M Solenoid Valve 3V2MNOAI-18F Technical Specifications
| Model | Airtac 3V2M Solenoid Valve 3V2MNOAI-18F |
|---|---|
| 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 — 18 valves on a shared base |
| Exhaust | Centralised exhaust |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC220V |
|---|---|
| Electrical entry | Flying lead (lead-out wire type) |
| Coil power | 7 VA |
| 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 3V2MNOAI-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. |
| NO | Normally open: air passes until the coil is energised. |
| AC220V | 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 3V2MNOAI-18F Is Used
Conveyor gate diverters
Eighteen divert gates along a sortation line switch from one valve bank, and the centralised exhaust keeps vent noise at a single silenced point.
Bottling line clamp bank
Spring-return clamp cylinders on a bottling conveyor hold with air in the NO state and release when their coil energises, all from one base.
Laboratory automation fixture
Compact analysis machines use dense banks of small 3/2 valves to sequence single-acting grippers and cylinders within one manifold footprint.
Is the Airtac 3V2M Solenoid Valve 3V2MNOAI-18F the Right Part?
Work through the five order points: normally open initial state, AC220V coil voltage, flying-lead electrical entry, eighteen stations, centralised exhaust, and thread (PT1/8 as standard; G or NPT can be ordered). The NO state is fixed at manufacture. Reversing the dedicated 3V2M base gasket will not convert the valve to NC - AirTAC says so directly - so the correct state must be on the purchase order.
If a station demands more flow than Cv 0.1 allows, move that circuit to a separately ported 3V2 (Cv 0.18 at 1/8, 0.19 at 1/4, vacuum rated) or a 3V3 (Cv 0.62, 1/4, vacuum rated). For light duty the 3.0 W DC 3V1 saves power. Double-acting cylinders are outside 3/2 scope entirely - choose 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 3V2MNOAI-18F FAQ
Each station is a 3/2 NO direct-acting valve with Cv 0.1, PT1/8 port, 0-0.8 MPa pressure range, -20 to 70 C operating temperature, 7 VA per AC220V coil and IP65 protection. Eighteen stations share one base, one supply and one centralised exhaust.
Centralised exhaust routes all eighteen stations through a single port, which simplifies silencing and piping; independent (D) versions vent each station separately. And no - the NO initial state cannot be converted to NC in the field, including by flipping the base gasket.
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