Introduced in 1979 by the Daniel Valve Company, the Dan-Ex dual expanding plug was designed to improve the integrity for double block and bleed valve applications. Design improvements include a solid carbon steel plug, one piece camshaft, and large diameter plug trunions.<br />
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Dan-Ex valves are currently manufactured in Western Valve's state of the art manufacturing facility in Bakersfield, CA. Thousands of Dan-Ex valves have been installed in pipelines, liquid terminals, and aviation ...This story is related to the following:Expansion Valves |