Product category:
Valves and manifolds
News Release from: Flowserve | Subject: Valtek Stealth
Edited by the Processingtalk Editorial
Team on 07 February 2008
Breakthrough in valve gaseous noise
attenuation
Flowserve Corporation announces the release of Flowserve Valtek Stealth, a patented gaseous noise trim that reduces sound pressure levels in the most demanding applications
"Three years of field service have proven the technologies behind the Stealth advanced design," said Bradford Haines, product manager at Flowserve "We've developed a highly effective device capable of reducing noise up to 40 decibels in severe service where noise and excessive vibration can damage both human hearing and equipment"
This article was originally published on Processingtalk on 12 Feb 2008 at 8.00am (UK)
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Breakthrough in gaseous valve noise attenuation
The Flowserve Valtek Stealth is a patented gaseous noise attenuation trim that reduces sound pressure levels in the most demanding applications, using a combination of noise control mechanisms
Stealth laser-cut discs are stacked to form the seat retainer.
The cuts in the discs form channels for the fluid to pass through.
Building on technologies from the field-proven Flowserve Valtek TigerTooth trim, flow through the Stealth expands and contracts as it passes through the seat retainer creating gradual, controlled pressure drops.
The Stealth patented design gradually reduces pressure without generating high velocities, which is critical in noise reduction.
In addition to reducing the pressure gradually, Stealth utilises a frequency shifting technology to further reduce audible noise.
The new Flowserve WaveCracker technology utilises irregularly shaped cross-sections and improves noise reduction significantly over current designs.
The Stealth trim noise attenuator combines pressure reduction, velocity control, and noise elimination features to significantly reduce the noise caused by high pressure drops.
Covered by three unique patents, Stealth is the most effective noise reduction trim for control valves.
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