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<h2>Valve Selection Can Be Complicated</h2>
<p>Our technical specialist can help. Call <a id="alertPopUpPhone" href="tel:1-800-477-8709">800.477.8709</a> for assistance.</p>


ProControl Porportional Valve Driver_350w

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<h3>ProControl<sup>™</sup> PCD Solenoid Valve Driver</h3>
<p>User friendly device to drive proportional valves conveniently via constant current or PWM signals.</p>
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Proportional Valves

ProControl PCD Solenoid Valve Driver

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<h3>ProControl<sup>™</sup> PV3 &amp; PV10 Series</h3>
<p>Miniature 2-port proportional valves for precise variable output flow control up to 75 LPM.</p>
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ProControl PV3 & PV10 Series

ProControl Products & Services Guide_350w

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<h3>The ProControl<sup>™</sup> Way &#8211; Products &amp; Services Guide</h3>
<p>Selection, application and troubleshooting assistance for our proportional valve solutions.</p>
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The ProControl Way – Products & Services Guide

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<h3>ProControl<sup>™</sup> Balanced Servoid</h3>
<p>ProControl<sup>™</sup> Servoid Series balanced proportional valve provides superior pressure and flow control performance of inert gases.</p>
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ProControl Balanced Servoid

<h3>ProControl<sup>™</sup> PC30 Series</h3>
<p>Small 2-port proportional valve for variable output flow control up to 225 LPM.</p>


Humphrey Brochures & Literature PDFs