Airtac 3V2 Solenoid Valve 3V208NCCI
The AirTAC Airtac 3V2 Solenoid Valve 3V208NCCI is a genuine 3-port 2-position (3/2) solenoid valve with 1/4 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 size1/4 in
- Coil voltageAC110V
- Electrical entryFlying lead (lead-out wire type)
- Flow (Cv)0.19
- Series3V2
About the Airtac 3V2 Solenoid Valve 3V208NCCI
Wired with a pre-formed lead-out wire rather than a DIN socket, the 3V208NCCI suits control schemes where the coil terminates directly to a terminal strip or machine harness. It is a normally closed 3/2 valve on 1/4in PT ports: de-energised it blocks the outlet and vents it, energised at AC110V it passes supply air to the line.
The single solenoid is spring-return and direct-acting, so it shifts with no differential pressure and seats through a coaxial poppet for clean shut-off. Flow per port is Cv 0.19 (3.4 mm2 effective area) at working pressures up to 0.8 MPa, and the assembly is IP65 (DIN 40050) against dust and spray.
Airtac 3V2 Solenoid Valve 3V208NCCI Technical Specifications
| Model | Airtac 3V2 Solenoid Valve 3V208NCCI |
|---|---|
| Series | 3V2 |
| Valve type | 3/2-way (3-port, 2-position) |
| Function | Direct-acting, single solenoid, spring return |
| Initial state | Normally closed |
| Port size | 1/4 in |
| Thread | PT |
| Coil voltage | AC110V |
|---|---|
| Electrical entry | Flying lead (lead-out wire 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 0.19 (3.4 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 3V208NCCI
| 3V2 | Body — sets the flow, the coil power and whether vacuum is rated. |
|---|---|
| 1/4 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. |
| AC110V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| I | 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 3V208NCCI Is Used
Pick-and-place head on a packaging line
Flying-lead wiring runs straight to the robot harness; the valve switches vacuum at up to -102.2 kPa for suction cups lifting cartons and blisters.
Blow-off after ultrasonic parts washing
Normally closed so no air leaks between cycles; energising at AC110V opens the 1/4in port (Cv 0.19) to dry machined parts before inspection.
Air signal to a shuttle gate on a bottling conveyor
NC means the gate cylinder stays vented during a stoppage, and the pre-wired lead-out simplifies installation away from the control panel.
Is the Airtac 3V2 Solenoid Valve 3V208NCCI the Right Part?
Match five points before ordering: 1/4in PT thread (G and NPT are catalogue options to order), normally closed initial state, AC110V coil, flying-lead entry instead of the DIN socket, and whether the circuit sees vacuum - this body is rated to -102.2 kPa. For very light duties the 3V1 sips just 3.0 W on DC24V; for dense multi-station manifolds the 3V2M trades flow (Cv 0.1) for packing density. If you need substantially more air, the 3V3 lifts flow to Cv 0.62 on the same 1/4in size.
Double-acting cylinders need the 5-port AirTAC 4V series, not this valve.
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 3V208NCCI FAQ
1/4in PT ports; effective area 3.4 mm2 and Cv 0.19 per port (3V206 = 3.2 mm2 / Cv 0.18). Pressure range 0-0.8 MPa, plus vacuum service rated -102.2 kPa to 0.1 MPa. Media temperature -20 to 70 C. AC coils draw 7 VA (DC coils 7.0 W); this version is AC110V with a flying-lead entry and IP65 (DIN 40050) protection.
The I suffix means the coil is supplied with a lead-out wire rather than a socket for a separate DIN connector. That suits direct wiring to terminal strips, junction boxes or machine harnesses and removes one connector to seal. Function is unchanged: NC initial state, spring return, coaxial poppet, vacuum rated to -102.2 kPa.
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