Emerson introduces silencer to protect staff

เกจ์ลมsumo has launched the Fisher WhisperTube Modal Attenuator for noisy gasoline or vapour purposes, which presents noise reduction in compressible fluid service for improved employee security, with no impact on process flow.
เกจวัดแรงดันแก๊สหุงต้ม is a full-bore system offering 15-decibel sound suppression to scale back noise inside pipes produced by sources upstream, corresponding to control valves or other gadgets. – 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, similar to control valves or different devices. It is put in downstream of these gadgets rather than a pipe spool piece, it generates no additional stress drop, and has no impact on course of circulate.
Until now, all options have generated important stress drop, decreased flow, and/or launched obstructions. This has led some customers to put in acoustic insulation to pipe sections to reduce noise, but this might be pricey and cumbersome to put in, and it does nothing to reduce internal piping noise. The modal attenuator addresses these and different issues with a drop-in solution, improving employee safety and regulatory compliance, whereas lowering the danger of injury to downstream equipment as a result of high noise ranges inner to piping.
Leading functions for the modal attenuator include those where upstream course of flows are modified by management valves, stress aid valves, pumps, compressors and other gadgets that generate noise. Many of those gadgets must be installed in lengths of piping with no flow restrictions downstream, and the modal attenuator works well in these functions as a end result of it introduces no such restrictions.
In addition, the modal attenuator does not introduce an obstruction into the piping, so it can be utilized in purposes where particulates are suspended in course of flows, and/or where pigging is required for cleaning and upkeep.
WhisperTube gadgets are provided in sizes from 2–12 in, with American Society of Mechanical Engineer (ASME) flange scores of Class one hundred fifty, 300 and 600. Pressure scores match the flange score sizes, and the utmost temperature is 700°F (371° C).

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