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Focus on Valves

By Gerald Ondrey |

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Safe combustible-dust-explosion isolation

Isolation is essential to protect adjoining system components against the spread of combustible dust explosions. Tanks, silos, dust collectors and other equipment are usually connected by pipelines through which, if an explosion occurs, fire and pressure spread very rapidly. In addition, the intensity of the explosion in connected containers is increased by pressure piling and flame jet ignition. This sequence of events can be prevented by the EXKOP isolation system, consisting of a control panel and one or more quench valves (photo). The integrated elastomer seal within the quench valve closes within a few milliseconds, triggered by a signal from an Explosion Panel, a Q-Rohr, Q-Box, an infrared signal or pressure/temperature sensors. — Rembe Inc., Charlotte, N.C.

www.rembe.us

 

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