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Fisher™ ATST Steam-Atomized Desuperheater
Fisher™ ATST Steam-Atomized Desuperheater
The Fisher ATST desuperheater represents the state-of-the-art solution for desuperheating applications which demand ultimate performance in atomization and rangeability.
Using steam-atomized water injection, ATST nozzles form extremely fine water droplets which vaporize quickly in a wide range of steam flows and conditions.
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Guard Against Attemperator Overspray Damage With Fisher ATST Desuperheaters

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Fisher™ ATST Steam-Atomized Desuperheater

Specs

Certifications
PED, CRN
Critical Service
Steam Conditioning
Material
SA105, F22, F91
Operating Temperature
High Temperature
Other Configurations
Contact your local Emerson sales office to learn about additional specifications or options for this product.
Pressure Class
ASME
Process Connection Type
Flanged, Butt Weld, RTJ, Socket Weld
Valve Size
NPS 8 through 48
Valve Size Standard
NPS

Features

  • Patented rapid equalization bleed area
  • Unique Serviceability Features
  • Excess Flow Closure
  • Back Check Feature
  • Spring loaded polytetrafluoroethylene (PTFE) stub shaft packing
  • PTFE wear pads Rulon� Bushings at critical wear points
  • Manual, Cable, or Air Open/Close valve actuators
  • Thermal Fusible links or plugs melt at 212 to 220�F / 100 to 104�C and allow valve closure in the event of a fire at the valve
  • Patented rapid equalization bleed area
  • Unique Serviceability Features
  • Excess Flow Closure
  • Back Check Feature
  • Spring loaded polytetrafluoroethylene (PTFE) stub shaft packing
  • PTFE wear pads Rulon� Bushings at critical wear points
  • Manual, Cable, or Air Open/Close valve actuators
  • Thermal Fusible links or plugs melt at 212 to 220�F / 100 to 104�C and allow valve closure in the event of a fire at the valve