en.Wedoany.com Reported - In the petrochemical and natural gas industries, hidden leaks and discharges from valves and steam traps cause considerable energy losses and safety risks every year. Traditional manual inspection has long intervals and monitoring blind spots, making predictive maintenance difficult to achieve. Emerson has introduced the Rosemount 708 Wireless Acoustic Transmitter, which uses acoustic detection technology to transmit equipment status wirelessly in real time to the control room, driving plants to shift from scheduled inspection rounds to online real-time monitoring.

This wireless acoustic transmitter features non-intrusive installation, clamping directly onto the surface of pipes or valves without the need for pipe cutting or hot work, allowing continuous acoustic signal acquisition. Through the WirelessHART wireless network, acoustic signals and temperature data are transmitted back to the control room in real time, where data analysis triggers early warnings for abnormal discharge events. This wireless acoustic transmitter can identify leaks as thin as paper, providing an online real-time monitoring solution for flare header valve assemblies, elevated safety valves, steam traps, and block valve internal leakage scenarios.

In flare header valve assembly monitoring, the Rosemount 708 can investigate discharge sources, helping optimize processes and reduce carbon emissions and feedstock losses. For elevated safety valve applications, the system automatically records leak start and stop times, providing a basis for maintenance decisions and compliance audits. In steam trap monitoring, it can work with dedicated software to automatically diagnose the operating status of each trap; large-scale deployment costs are lower than traditional wired solutions, typically achieving a return on investment through energy savings within one year. For valve internal leakage monitoring, this wireless acoustic transmitter can capture the high-frequency acoustic signature generated by internal leaks, allowing deployment without shutdown and rapidly establishing an internal leak monitoring network.

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