Airtac 3V2 Solenoid Valve 3V206NCE
The AirTAC Airtac 3V2 Solenoid Valve 3V206NCE 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 voltageAC24V
- Electrical entryDIN plug (DIN socket type)
- Flow (Cv)0.18
- Series3V2
About the Airtac 3V2 Solenoid Valve 3V206NCE
A normally closed 3/2 valve with a 24V AC coil: energise it and the 1/8 inch PT port feeds the outlet, de-energise and the spring vents that line to exhaust. Running on AC24V keeps the switched voltage low near operators, which many machine safety specs favour, while the DIN plug entry keeps coil replacement tool-free.
Inside is a coaxial poppet rather than a spool, giving positive shut-off at Cv 0.18 per port (3.2 mm2). The coil is IP65 sealed, and the body is one of the few in this size class rated for vacuum, from -102.2 kPa to 0.1 MPa.
Airtac 3V2 Solenoid Valve 3V206NCE Technical Specifications
| Model | Airtac 3V2 Solenoid Valve 3V206NCE |
|---|---|
| Series | 3V2 |
| Valve type | 3/2-way (3-port, 2-position) |
| Function | Direct-acting, single solenoid, spring return |
| Initial state | Normally closed |
| Port size | 1/8 in |
| Thread | PT |
| Coil voltage | AC24V |
|---|---|
| Electrical entry | DIN plug (DIN socket type) |
| Coil power | 7 VA |
| Operating pressure | 0-0.8 MPa (0-114 psi) |
| Vacuum service | Rated -102.2 kPa to 0.1 MPa |
| Flow coefficient | Cv 0.18 (3.2 mm2 effective area) |
| Temperature | -20 to 70 C |
| Construction | Coaxial shut-off (poppet), direct-acting, spring return |
| Protection | IP65 (DIN 40050) |
| Medium | Air, filtered by a 40 µm or finer element. Lubrication not required. |
Figures follow the official AirTAC 3V2 catalogue. Confirm coil voltage and thread (PT / NPT / G) against the product label before wiring.
Model Code: Airtac 3V2 Solenoid Valve 3V206NCE
| 3V2 | 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. |
| AC24V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| — | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 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 3V2 Solenoid Valve 3V206NCE Is Used
Conveyor air-knife blow-off
A normally closed 3/2 gates a nozzle jet that clears dust from cartons on a belt; AC24V keeps the valve feed within low-voltage panel rules.
Bench pneumatic fixture clamping
Workshop jigs use the valve to feed a single-acting hold-down; with the DIN plug pulled, maintenance staff can purge the clamp line in seconds.
Pilot signal for a large process valve
The 3/2 switches the pilot port of a bigger AirTAC actuated valve, translating a 24V control signal into a pneumatic command.
Is the Airtac 3V2 Solenoid Valve 3V206NCE the Right Part?
Confirm the five-point match first: 1/8 inch port, PT thread standard (G and NPT are options to order), normally closed, AC24V coil, DIN plug entry, and whether vacuum appears anywhere in the circuit. Other voltage codes (AC220V, AC110V, DC24V, DC12V) exist in the same 3V2 family if your control supply differs.
For sizing context: down-scale to 3V1 when a small duty and its 3.0 W DC24V coil beat the 7 VA here, or to 3V2M where a Cv 0.1 manifold saves space across many stations; scale up to 3V3 (1/4 inch, Cv 0.62, vacuum-rated too) for substantially higher flow. Double-acting cylinders belong on 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 Wiring by qualified personnel, per AirTAC documentation.
Airtac 3V2 Solenoid Valve 3V206NCE FAQ
Per-port flow: 3V206 (1/8in) is 3.2 mm2 effective area, Cv 0.18; 3V208 (1/4in) is 3.4 mm2, Cv 0.19. Operating pressure is 0-0.8 MPa (0-114 psi), with vacuum service rated -102.2 kPa to 0.1 MPa. Temperature range is -20 to 70 C. Coil power is 7 VA on AC and 7.0 W on DC. Coil protection is IP65 (DIN 40050).
Normally closed (this model) leaves the outlet vented until the coil is energised - the safe default for clamps, blow-off and pilots. A normally open version passes air until energised, useful for fail-vent or continuously-fed duties. The state is selected at ordering; verify your fail-safe requirement against the machine risk assessment.
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