Airtac 4V210-08BI-W External Pilot Solenoid Valve (DC24V, PT 1/4) | Grommet Type（副本）

Name: Airtac 4V210-08BI-W External Pilot Solenoid Valve (DC24V, PT 1/4) | Grommet Type（副本）
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 applications.
✅ Grommet Type (I): Features a direct lead wire design that minimizes the installation footprint and excels in vibration-prone environments.
✅ DC24V Efficiency (Code B): Safe low-voltage operation with minimal heat emission, perfectly compatible with PLC control systems.
✅ 100% Original AirTAC: Guaranteed industrial-grade reliability with a long service life exceeding 20 Million cycles.

Technical Specifications

Port Size	Main: 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 4V210-08BI-W is a highly specialized 5/2 way solenoid valve designed for complex pneumatic circuits where standard pilot valves fail. By combining the External Pilot (-W) function with a Grommet (I) direct lead wire interface, this valve offers unparalleled versatility for vacuum handling and low-pressure automation.

Adhering to the rigorous 4v210 08 solenoid valve specification, the 4V210-08BI-W utilizes a secondary air source to shift the valve spool, allowing the main ports to control air from -0.1MPa up to 0.8MPa. Whether you are following the airtac 4v210 08 manual for manifold setup or upgrading an existing airtac valve 4v210 08 to handle vacuum cycles, this DC24V model ensures responsive and precise pneumatic logic.

Key Advantages

True Vacuum Versatility: The independent M5 pilot port ensures reliable shifting even when main line pressure is zero or negative.
Space-Saving Grommet Leads: The direct-out wiring eliminates the need for bulky DIN connectors, allowing for ultra-compact manifold spacing in tight control cabinets.
High-Performance DC24V Coil: Engineered for low heat generation and 100% duty cycles, ensuring the valve remains cool even during continuous energized states.
Exceptional Durability: Precision-ground aluminum body and wear-resistant seals provide a stable foundation for over 20 million reliable cycles.

Frequently Asked Questions (FAQ)

Q: Why does the 4V210-08BI-W have an extra M5 port?
A: That is the external pilot port. You must provide a constant 0.15-0.8MPa air supply to this port to shift the valve spool when the main supply is at low pressure or vacuum.

Q: Is there a polarity requirement for the DC24V lead wires?
A: No, Airtac DC coils are non-polarized. You can connect the positive and negative leads in either configuration without affecting performance.

Q: What is the benefit of the Grommet (I) type over the standard terminal type?
A: The Grommet type provides a smaller installation volume and superior protection against dust and vibration, making it ideal for mobile machinery or compact equipment.