3V2
More Than Basic, Built to Last:
The AirTAC 3V2 Series Whitepaper
In the race for high-integration bus systems, the industry often overlooks the fundamental components that physically dictate machine uptime. When an application demands uncompromising 3/2-way logic, engineers require a component that is immune to complex programming and low-pressure stalling.
The AirTAC 3V2 Series Solenoid Valve is the definitive "Workhorse" of pneumatic control. Stripping away unnecessary integration fluff, it relies on a battle-tested direct-acting poppet structure to deliver unparalleled reliability, zero-pressure starting capabilities, and total configuration flexibility.
- Direct-Acting Poppet Core: Actuates independently of pilot pressure, allowing for reliable execution at absolute 0 MPa and in deep vacuum environments.
- Universal Configuration Matrix: Broad availability across AC/DC voltages, DIN/Lead wire connections, and G1/8" or G1/4" port scaling.
- Global Supply Chain Ready: Native porting options in PT, G (BSPP), and NPT thread standards for worldwide OEM compliance.
- Systemic Integration: Seamlessly transitions from standalone deployment to centralized manifold arrays via the F-3V2FA accessory block.
- Zero-Lube Resilience: Operates continuously on dry, 40μm filtered air, eliminating oil-mist contamination risks.
1. The Engineering Logic: Direct-Acting Performance
Unlike pilot-operated spool valves that rely on system pressure to shift, the 3V2 utilizes a Direct-Acting Poppet mechanism. The magnetic force of the energized coil directly lifts the internal seal. This creates a highly responsive, low-friction shift that guarantees a tight seal over millions of cycles.
Operational Pressure Thresholds
Because the mechanical actuation is entirely electromagnetic, the valve does not suffer from "pneumatic stalling." The operational capabilities are defined as:
$$P_{min\_operate} = 0\text{ MPa}$$ $$P_{vacuum\_limit} = -102.2\text{ kPa}$$
This allows the 3V2 to break vacuum lines or manage ultra-low pressure purging circuits flawlessly, achieving a response time of ≤ 0.05s.
2. Strategic Agility: The Versatility Matrix
In automation design, standardizing on a single component family drastically lowers Bill of Materials (BOM) fragmentation. The 3V2 series achieves this through absolute electrical and mechanical adaptability.
Electrical Format
Select between an IP65-rated DIN connector for rapid, tool-free field replacement, or a Lead-Wire format for tight integrations into customized terminal enclosures.
Volumetric Scaling
Available in G1/8" (06) with a 3.2mm² effective orifice, or G1/4" (08) with a 3.4mm² orifice, ensuring you have the exact volumetric flow required to drive your actuators.
3. Field Diagnostics and Commissioning
Machine commissioning is frequently delayed when mechanical teams must wait for PLC programmers to finalize control logic. AirTAC circumvents this bottleneck by engineering a Manual Override Button into every 3V2 unit.
Decoupling Hardware and Software:
Technicians can physically actuate the valve using the override button to verify cylinder extensions and check for pneumatic leaks without an electrical signal. This parallel-path testing significantly accelerates machine delivery timelines and serves as an instant diagnostic tool during future maintenance.
4. Application Matrix: The Reliable All-Rounder
With its robust aluminum body and direct-acting certainty, the 3V2 serves as the backbone for critical 3/2-way operations:
Single-Acting Actuators
The definitive choice for driving spring-return cylinders used in sorting, positioning, and clamping.
Vacuum & Blow-Off
Perfect for supplying precision air blasts to clear debris or instantly breaking vacuum generator lines.
Pilot Control
Utilizes its low-power coil to pneumatically pilot larger, process-grade industrial valves.
Technical FAQ
"Is the 3V2 Normally Closed (NC) or Open (NO)?"
The standard configuration is Normally Closed (NC), where power-off blocks the airway. Normally Open variants are natively supported and can be explicitly specified via the part number.
"Can I mount these on a manifold?"
Yes. While highly effective as standalone units, utilizing the F-3V2FA manifold base centralizes air supply and exhaust, drastically reducing external fittings and cabinet footprint.