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FB Fabricated Angle Valve

Brand: Fisher
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Fisher FB fabricated angle valves are used with compressible fluids on special applications requiring maximum noise attenuation capability and high capacity. 

Typical applications include main steam reducing valves and compressor bypass valves. FB valves are also commonly used for sour gas applications in petrochemical and gas processing plants.
Features
  • Whisper Trim™ III or WhisperFlo™ cages used in FBD or FBT valves can reduce noise produced by high flow rates and large pressure drops.
  • Regeneration of valve noise is significantly reduced by reducing the outlet flow velocity with an expanded outlet design.
  • The design eliminates gasketing problems caused by thermal expansion and contraction of long parts, such as the cage assembly.
  • The ENVIRO-SEAL™ or HIGH-SEAL packing system options are available. These packing systems provide excellent sealing, guiding, and loading force transmission.
  • A spring-loaded seal ring with PEEK anti-extrusion rings is available on FBT valves for Class V shutoff up to 316°C (600°F). Bore seal is available on FBD valves for Class V shutoff above 316°C (600°F).
Fisher FB fabricated angle valves are used with compressible fluids on special applications requiring maximum noise attenuation capability and high capacity. 

Typical applications include main steam reducing valves and compressor bypass valves. FB valves are also commonly used for sour gas applications in petrochemical and gas processing plants.
Features
  • Whisper Trim™ III or WhisperFlo™ cages used in FBD or FBT valves can reduce noise produced by high flow rates and large pressure drops.
  • Regeneration of valve noise is significantly reduced by reducing the outlet flow velocity with an expanded outlet design.
  • The design eliminates gasketing problems caused by thermal expansion and contraction of long parts, such as the cage assembly.
  • The ENVIRO-SEAL™ or HIGH-SEAL packing system options are available. These packing systems provide excellent sealing, guiding, and loading force transmission.
  • A spring-loaded seal ring with PEEK anti-extrusion rings is available on FBT valves for Class V shutoff up to 316°C (600°F). Bore seal is available on FBD valves for Class V shutoff above 316°C (600°F).
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Specifications

Brand

Approvals & Certifications

  • CUTR, PED, CRN, Fugitive Emission, NACE

Critical Service

  • Noise Abatement, Steam Conditioning, Outgassing

Flow Characteristics

  • Linear

Material

  • Carbon Steel, Stainless, Duplex, Alloy, Cast Iron

Operating Temperature

  • Standard Temperature, High Temperature

Other Configurations

  • Contact Your Local Emerson Business Partner or Sales Office to Learn About Additional Specifications or Options for This Product.

Pressure Class

  • ASME

Process Connection Type

  • Flanged, Butt Weld, RTJ

Shutoff Class

  • Class II (FCI 70-2), Class III (FCI 70-2), Class IV (FCI 70-2), Class V (FCI 70-2)

Valve Size

  • NPS 8, NPS 10, NPS 12, NPS 14, NPS 16, NPS 18, NPS 20, NPS 24, NPS 30, NPS 36

Valve Size Standard

  • NPS
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