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Fisher™ DMA/AF Variable Geometry Attemporator
The Fisher DMA/AF is a variable-geometry, mechanically atomized, back-pressure-activated superheater interstage attemporator.
It is designed for applications requiring control over moderate load fluctuations and high thermal cycling.
Fisher™ DMA/AF Variable Geometry Attemporator

Specs

Certifications
PED, CRN
Critical Service
Steam Conditioning
Material
SA105, F22, F91
Operating Temperature
High Temperature
Pressure Class
ASME
Process Connection Type
Flanged, Butt Weld, RTJ, Socket Weld
Valve Size
NPS 3, NPS 4, NPS 6
Valve Size Standard
NPS
Other Configurations
Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.

Features

  • Optimized spray pattern with optional AF nozzle technology allows for a wide operating range to achieve optimal mixing and quick vaporization at all flowing conditions.
  • Nozzles can be easily removed, maintained, or replaced without having to replace the entire unit.
  • Piping configuration limits face-to-face availability.
  • DMA and DMA/AF desuperheaters can be located wherever is convenient in the pipeline.
  • Nozzles capable of providing low to moderate amounts of spraywater to cool steam to required temperature.