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Fisher™ Whisper™ NXV Trim

Fisher Vee-Ball Series valves (V150, V200, and V300) with the Whisper Trim combines the efficiency of a rotary valve with the acoustical attenuation capability of Whisper technology to provide improved performance in applications where aerodynamic noise is a concern. The Fisher Whisper Trim can be utilized in gas and vapor service to reduce noise effects that pose safety risks to personnel and cause pipeline vibration.

主要功能

  • Whisper NXV Performance — Up to -20 dBA acoustical attenuation is achievable depending on service conditions.
  • Whisper NXV Fabrication — The additively manufactured attenuator features a rugged fabrication weld to provides structural integrity with the ball.
  • Excellent Flow Characteristic — Precise contouring of the V-notch ball provides an approximately equal percentage flow characteristic.
  • Improved Environmental Capabilities — The optional ENVIRO-SEAL packing system can control emissions to below the Environmental Protection Agency (EPA) limit of 100 parts per million (ppm) for valves.
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