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Emerson introduces wirelessly monitored storage tank emergency vents

Emerson Process Management has introduced wirelessly-monitored Enardo 2000 emergency pressure relief vents (EPRVs) that provide safety control by managing abnormally high storage tank pressures in the oil and gas, chemical, petrochemical, and pharmaceutical industries.

Under normal operating conditions, an EPRV remains closed and the immediate knowledge of an open position can be vital and should warrant quick investigation.

However, because EPRVs are located on top of storage tanks, they are difficult to monitor, and site managers are increasingly looking for ways to increase safety and efficiencies.

The new product design consists of a proximity indicator, which senses movement of the emergency vent, and wireless transmitter integrated with an EPRV.

“Open” or “closed” signals are received by the wireless transmitter and can be sent to a control room via a WirelessHART gateway.

“Though EPRVs represent the last line of defence against tank overpressure, they have largely remained unmonitored,” said Steve Attri, product manager for Emerson.

“Along with the recent introduction of wirelessly-monitored pressure vacuum relief vents (PVRVs), more information is now available to quickly identify and resolve pressure issues that can impact safety and emissions,” he said.