Airtac 4V210-08B-W External Pilot Solenoid Valve (DC24V, PT 1/4) | Vacuum Compatible

Name: Airtac 4V210-08B-W External Pilot Solenoid Valve (DC24V, PT 1/4) | Vacuum Compatible
Brand: AirTac
Price: 31.50 USD
Availability: InStock

$31.50 USD

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Quick Highlights

✅ External Pilot Design (-W): Operates independently of main line pressure, making it essential for vacuum and zero-pressure systems.
✅ DC24V Low Voltage (Code B): Safe, energy-efficient operation directly compatible with PLC control systems.
✅ High Response Speed: ≤ 0.05s switching frequency, ideal for precision-synchronized automated production.
✅ 100% Original AirTAC: Guaranteed industrial-grade reliability with a service life exceeding 20 Million cycles.

Technical Specifications

Port Size	Main Port: PT 1/4"; Pilot Port: M5; Exhaust: PT 1/8"
Power Consumption	DC24V (3.0W)
Operating Pressure Range	Main: -0.1 ~ 0.8MPa; Pilot: 0.15 ~ 0.8MPa
Max. Frequency	4 Cycles/Second
Operating Temperature	-20 ~ 70°C
Proof Pressure	1.2MPa (174 Psi)

Professional Analysis

The Airtac 4V210-08B-W is a specialized 5/2 way single-control solenoid valve designed to solve the challenges of non-standard pressure environments. By utilizing the External Pilot (-W) configuration, this valve decouples the internal shifting mechanism from the main air supply, allowing it to control main ports operating at vacuum levels down to -0.1MPa or systems with zero initial pressure.

Following the official 4v210 08 solenoid valve specification, the 4V210-08B-W features a high-grade aluminum alloy body and precision-ground spool for minimal friction. Whether you are consulting the airtac 4v210 08 manual for vacuum circuit integration or replacing a standard airtac valve 4v210 08 to improve switching stability in low-pressure zones, this DC24V model provides the reliable performance required for complex pneumatic logic.

Key Advantages

Vacuum Compatibility: The independent M5 pilot port allows for reliable valve shifting even when the main line pressure is negative or below the standard threshold.
PLC-Ready DC24V Coil: The low-wattage DC24V coil (3.0W) generates minimal heat and can be driven directly by PLC outputs without secondary relays.
Class F Insulation: Equipped with high-temperature resistant pure copper coils, ensuring long-term stability without burnout during 24/7 continuous duty cycles.
Visual Terminal Connector: Features a transparent DIN terminal box with an LED indicator for instant power status monitoring and rapid system troubleshooting.

Frequently Asked Questions (FAQ)

Q: What is the purpose of the M5 port on the 4V210-08B-W?
A: That is the external pilot port. To shift the valve in vacuum or zero-pressure conditions, you must provide a constant air supply (0.15~0.8MPa) to this M5 port to drive the spool.

Q: Can I use this valve as a standard internal pilot valve?
A: No. Unlike the standard 4V210-08B, the "-W" version must have an external pilot air source connected to the M5 port to function.

Q: Is this valve compatible with other brands?
A: Yes, provided the port standards match (PT 1/4"), it can serve as a high-performance, cost-effective replacement for brands like SMC or Festo in similar pilot configurations.