Airtac 4V210-08AI-W External Pilot Solenoid Valve (AC220V, PT 1/4) | Direct Lead Wire

<!-- 1. Quick Highlights Section -->
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  <h3 style="margin-top: 0; color: #333;">Quick Highlights</h3>
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    <li style="margin-bottom: 8px;">✅ <strong>External Pilot Design (-W):</strong> Functions independently of main line pressure, making it ideal for vacuum and zero-pressure applications.</li>
    <li style="margin-bottom: 8px;">✅ <strong>Grommet Type (I):</strong> Space-saving direct lead wire design provides a compact footprint and superior vibration resistance.</li>
    <li style="margin-bottom: 8px;">✅ <strong>High Response Speed:</strong> ≤ 0.05s switching frequency, engineered for high-precision, synchronized automated production lines.</li>
    <li style="margin-bottom: 8px;">✅ <strong>100% Original AirTAC:</strong> Industrial-grade reliability guaranteed with a service life exceeding 20 Million cycles.</li>
  </ul>
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<!-- 2. Technical Specifications Table -->
<h3 style="color: #333;">Technical Specifications</h3>
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      <td style="padding: 10px; border: 1px solid #ddd; width: 40%;"><strong>Port Size</strong></td>
      <td style="padding: 10px; border: 1px solid #ddd;">Main: PT 1/4"; Pilot: M5; Exhaust: PT 1/8"</td>
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      <td style="padding: 10px; border: 1px solid #ddd;"><strong>Power Consumption</strong></td>
      <td style="padding: 10px; border: 1px solid #ddd;">AC220V (4.5VA)</td>
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      <td style="padding: 10px; border: 1px solid #ddd;"><strong>Operating Pressure Range</strong></td>
      <td style="padding: 10px; border: 1px solid #ddd;">Main: -0.1 ~ 0.8MPa; Pilot: 0.15 ~ 0.8MPa</td>
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      <td style="padding: 10px; border: 1px solid #ddd;"><strong>Max. Frequency</strong></td>
      <td style="padding: 10px; border: 1px solid #ddd;">4 Cycles/Second</td>
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      <td style="padding: 10px; border: 1px solid #ddd;"><strong>Operating Temperature</strong></td>
      <td style="padding: 10px; border: 1px solid #ddd;">-20 ~ 70°C</td>
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      <td style="padding: 10px; border: 1px solid #ddd;"><strong>Proof Pressure</strong></td>
      <td style="padding: 10px; border: 1px solid #ddd;">1.2MPa (174 Psi)</td>
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<!-- 3. Professional Analysis Section -->
<h3 style="color: #333;">Professional Analysis</h3>
<p style="color: #555;">
  The <strong>Airtac 4V210-08AI-W</strong> is a highly versatile 5/2 way solenoid valve specifically designed for complex pneumatic circuits where space is limited and main line pressure is unstable. By utilizing the <strong>External Pilot (-W)</strong> configuration, this valve decouples the shifting mechanism from the main supply, allowing it to control vacuum lines or zero-pressure systems effectively. 
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<p style="color: #555;">
  Adhering to the most stringent <strong>4v210 08 solenoid valve specification</strong>, the 4V210-08AI-W features a <strong>Grommet (I)</strong> direct lead wire interface, eliminating the need for bulky DIN connectors. This makes it an excellent choice for modern <em>airtac valve 4v210 08</em> manifolds. Whether you are using the <em>airtac 4v210 08 manual</em> for machine integration or building a custom automated solution, this AC220V model provides reliable, high-torque commutation for years of trouble-free operation.
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<!-- 4. Key Advantages Section -->
<h3 style="color: #333;">Key Advantages</h3>
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  <li style="margin-bottom: 10px;"><strong>Vacuum & Low-Pressure Ready:</strong> The external pilot air supply ensures that the internal spool shifts reliably even when the main port pressure is as low as -0.1MPa.</li>
  <li style="margin-bottom: 10px;"><strong>Ultra-Compact Profile:</strong> The direct lead wire (Grommet type) reduces the installation footprint, allowing for higher density valve banks in small control cabinets.</li>
  <li style="margin-bottom: 10px;"><strong>High-Performance AC220V Coil:</strong> The Class F insulation coil prevents thermal burnout during continuous energized states, ensuring stability in high-temperature industrial environments.</li>
  <li style="margin-bottom: 10px;"><strong>Superior Vibration Resistance:</strong> The Grommet connection eliminates the risk of plug detachment common in high-vibration machinery, ensuring constant electrical contact.</li>
</ul>

<!-- 5. Frequently Asked Questions (FAQ) -->
<h3 style="color: #333;">Frequently Asked Questions (FAQ)</h3>
<p style="color: #555;"><strong>Q: Why does the 4V210-08AI-W have a separate pilot port?</strong><br>
A: Because it is an external pilot valve, it requires a steady air source (0.15~0.8MPa) at the M5 pilot port to switch the valve when the main supply is at vacuum or very low pressure.</p>

<p style="color: #555;"><strong>Q: Can I use this valve with NPT or G thread fittings?</strong><br>
A: This model is manufactured with PT 1/4" threads. Using NPT or G thread fittings will result in leaks or damaged threads. Always match your fittings to the PT standard.</p>

<p style="color: #555;"><strong>Q: What is the lead wire length for the Grommet (I) type?</strong><br>
A: The standard direct lead wire length is 500mm (0.5m), which is sufficient for most control cabinet wiring setups.</p>