Fisher DMA Mechanically Atomized Desuperheater

Fisher™ DMA, DMA-AF, DMA-AF-HTC, DSA, and DVI Desuperheaters

The Fisher DMA desuperheater is a simple, mechanically atomized desuperheater with single or multiple, fixed-geometry spray nozzles and is intended for applications with nearly constant loads. The DMA is installed through a flanged connection on the side of a DN 150 (NPS 6) or larger pipeline.

SpecificationsCertificationsPED, CRNCritical ServiceSteam ConditioningMaterialSA105, F22, F91Operating TemperatureHigh TemperaturePressure ClassASMEProcess Connection TypeFlanged, Butt Weld, RTJ, Socket WeldValve SizeNPS 3, NPS 4, NPS 6Valve Size StandardNPSOther ConfigurationsContact your local Emerson business partner or sales office to learn about additional specifications or options for this product.FeaturesAccurate temperature control near saturation. 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.

Mechanically Atomized Desuperheater