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A magnet operates on this rupture-disc sensor

| By Scott Jenkins


Oseco

The Flo-Tel rupture disc detection system (photo) is a noninvasive sensor that operates with a reed-switch and magnet technology. The design avoids several challenges of standard rupture disc sensors. Some sensors require replacement or rewiring after one use, and are often in contact with the process flow, creating possible leak paths. Designed to work with the Opti-Gard rupture disc, the Flo-Tel sensor positions a magnet over the rupture disc so that when the disc bursts, the magnet and disc arc away from the sensor, creating an open circuit signal. After rupturing, the disc is the only element of the system requiring replacement. The sensor is not in contact with the process flow, so there are no potential leak paths. —Oseco, Broken Arrow, Okla.

http://www.oseco.com