Emerson introduces silencer to protect workers

Emerson has introduced the Fisher WhisperTube Modal Attenuator for noisy fuel or vapour applications, which offers noise discount in compressible fluid service for improved employee safety, with no impact on course of circulate.
The modal attenuator is a full-bore system providing 15-decibel sound suppression to scale back noise inside pipes produced by sources upstream, corresponding to management valves or different units. – Image: Emerson

The modal attenuator from Emerson is a full-bore system offering 15-decibel sound suppression to reduce noise inside pipes produced by sources upstream, such as management valves or different gadgets. It is installed downstream of those units instead of a pipe spool piece, it generates no additional strain drop, and has no influence on process flow.
Until now, all options have generated significant pressure drop, lowered circulate, and/or launched obstructions. This has led some customers to install acoustic insulation to pipe sections to reduce noise, however this can be pricey and cumbersome to install, and it does nothing to reduce internal piping noise. The modal attenuator addresses these and other points with a drop-in solution, bettering worker safety and regulatory compliance, while reducing the chance of harm to downstream gear due to excessive noise levels inner to piping.
Leading applications for the modal attenuator embrace these the place upstream course of flows are modified by management valves, stress reduction valves, pumps, compressors and different devices that generate noise. เพรสเชอร์เกจไฮดรอลิค of these gadgets should be put in in lengths of piping with no circulate restrictions downstream, and the modal attenuator works nicely in these applications because it introduces no such restrictions.
In addition, the modal attenuator doesn’t introduce an obstruction into the piping, so it can be used in purposes where particulates are suspended in process flows, and/or the place pigging is required for cleaning and upkeep.
WhisperTube devices are supplied in sizes from 2–12 in, with American Society of Mechanical Engineer (ASME) flange ratings of Class one hundred fifty, 300 and 600. Pressure rankings match the flange rating sizes, and the utmost temperature is 700°F (371° C).
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