Fisher DMA Series

Fisher Controls Valves DMAThe Fisher DMA series of insertion type desuperheaters are designed for accurate temperature control and easy maintenance (removable and replaceable nozzles) for steam desuperheating applications in the power and process industries. 

The DMA style uses a fixed geometry style spray nozzle which is best suited for a constant load. The DMA/AF incorporates the AF variable nozzle geometry which is back –pressure activated and allows one to multiple nozzles to be utilized depending on the steam conditions and water demand.

The nozzles are designed to give enhanced spray patterns to optimize mixing and allow for quick vaporization/evaporation for reduction of superheat in the steam flow. 

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