Sporadic Dry Running Identified and Fixed

A municipality running several large vertical centrifugal pumps was experiencing reliability issues. It was hypothesized that dry running was occurring, but without time trended data, they were unable to pinpoint the problem when it occurred.
IoT Pressure and temperature sensors were installed to continuously monitor the operating conditions of the pump. After one week of collecting data, it became clear that the mechanical seals were operating under vacuum. Because the seals were not designed to handle negative pressure, the customer installed vacuum spacers to allow the mechanical seals to operate within specification.
By using rapidly deployed IoT sensors to identify the root cause problem, the customer was able to install low-cost spacers, saving thousands of dollars in equipment replacement costs. Moreover, they gained peace of mind by remotely monitoring the condition of the equipment without having to invest in costly and difficult to install remote monitoring systems.

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