Airtac 3V1 Solenoid Valve 3V1M5BI2F
The AirTAC Airtac 3V1 Solenoid Valve 3V1M5BI2F is a genuine 3-port 2-position (3/2) solenoid valve with M5 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)
- Port sizeM5
- Coil voltageDC24V
- Electrical entryFlying lead (lead-out wire type)
- Stations2
- Series3V1
About the Airtac 3V1 Solenoid Valve 3V1M5BI2F
The 3V1M5BI2F ganges two M5-ported 3/2 valves on one common base, each with its own DC24V flying-lead coil. Every valve is direct acting and spring return: energise to feed the outlet, de-energise to vent it, so each station independently controls a single-acting actuator, an air blast or a pilot line.
With both valves sharing one base, plumbing drops to a single supply connection for the pair, and the pre-wired flying leads keep the panel free of connector blocks. Each DC24V coil draws only 3.0 W, so a standard 24 V DIN-rail supply carries the assembly with ease.
Airtac 3V1 Solenoid Valve 3V1M5BI2F Technical Specifications
| Model | Airtac 3V1 Solenoid Valve 3V1M5BI2F |
|---|---|
| Series | 3V1 |
| Valve type | 3/2-way (3-port, 2-position) |
| Function | Direct-acting, single solenoid, spring return |
| Port size | M5 |
| Thread | PT |
| Coil voltage | DC24V |
|---|---|
| Electrical entry | Flying lead (lead-out wire type) |
| Coil power | 3.0 W |
| Operating pressure | 0-0.8 MPa (0-114 psi) |
| Vacuum service | Not rated for vacuum |
| Flow coefficient | Not published for 3V1 |
| Temperature | -20 to 70 C |
| Construction | Direct-acting, single solenoid, spring return |
| Protection | IP65 (DIN 40050) |
| Medium | Air, filtered by a 40 µm or finer element. Lubrication not required. |
Figures follow the official AirTAC 3V1 catalogue. Confirm coil voltage and thread (PT / NPT / G) against the product label before wiring.
Model Code: Airtac 3V1 Solenoid Valve 3V1M5BI2F
| 3V1 | Body — sets the flow, the coil power and whether vacuum is rated. |
|---|---|
| M5 | Port size. M5, 06 = 1/8 in, 08 = 1/4 in, 10 = 3/8 in. |
| DC24V | Coil voltage. A = AC220V, B = DC24V, C = AC110V, E = AC24V, F = DC12V. |
| I | Electrical entry: I = flying lead, otherwise a DIN plug. |
| 2F | 2 stations in one assembly. |
| 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 3V1 Solenoid Valve 3V1M5BI2F Is Used
Spring-return slide on a small press
Each station commands its own function on the press - one drives the single-acting slide forward, the other fires the ejection pin that clears the finished part.
Gripper jaws and part-blow jet on a delta pick-and-place robot
Two M5 stations mount side by side to open the gripper and puff the part clear of the tooling, both spring-return so the load drops safely on power loss.
Sequenced purge on a bench-top test rig
Bench rigs use paired valves to alternately pressurise and bleed a small chamber between cycles, with flying leads wired straight into a 24 V control rail.
Is the Airtac 3V1 Solenoid Valve 3V1M5BI2F the Right Part?
Size this 2-station assembly by flow first. The 3V1 body is the lowest-flow member of AirTAC's 3V family and its Cv is not published, so treat flow-critical jobs with care: step up to a 3V2 (1/8 or 1/4 port, NC/NO selectable, Cv 0.18-0.19, vacuum rated) or a 3V3 (1/4 port, Cv 0.62) when ports must pass more air, and pick 3V2M where manifold density outranks flow. A 3/2 valve will never stroke a double-acting cylinder - that is a job for the 4V series.
This code already answers most of the five-point check: M5 port, DC24V, flying lead, 2-station manifold. Still confirm the port size (M5 vs 1/8), the thread style on 1/8 codes (PT standard, G or NPT to order) and, if your machine grows, the 1F-20F station range of the family.
Confirm before you order
- ✓ Port size and thread (PT from stock; G / NPT to order)
- ✓ 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 3V1 Solenoid Valve 3V1M5BI2F FAQ
Pressure range 0-0.8 MPa (0-114 psi), temperature -20 to 70 C, IP65 protection (DIN 40050), and a DC24V coil at 3.0 W per station - 6.0 W for the pair. Air is assumed filtered to 40 um or finer. Note that AirTAC states no Cv for the 3V1 body.
The I in the code means lead-out wires: each coil's connections are pre-wired, so you land them on terminals or a PLC card directly. A DIN-plug version (no I) lets you unplug the connector for fast coil swaps instead - choose per your maintenance strategy.
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