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FLASH TANKS

Flashing High Pressure Condensate into Steam

Design of horizontal flash tank

Flash tanks convert high pressure steam to lower pressure steam and condensate.

Usually the condensate temperatures within high pressure steam are slightly less than the saturation temperature, thus when it is discharged into a lower pressure area (such as a flash tank) some of that condensate instantly converts to steam.  A flash tank therefore separates the lower pressure steam from the condensate.  The low pressure steam can be vented though an exhaust head to the atmosphere or used for other processes.  Proper sizing of the flash tank will ensure higher quality (drier) low pressure steam.

Our flash tanks are designed in accordance with ASME Code Section VIII, Div. 1 and can be ASME Code Stamped for 150 psig steam service; higher pressure rated vessels can be supplied upon request.