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October 1, 2017

No. 21 – Flash Steam Vent Condensers

1. OVERVIEW

With today’s energy pricing and the need to reduce emissions, a plant’s steam/condensate systems cannot afford to vent flash steam to the atmosphere. The modulating steam system’s operational design requires the condensate to be recovered by a gravity (0 psig) condensate system. A typical system will incorporate a condensate receiver that allows the flash steam to vent to the atmosphere. The venting of the flash steam ensures the condensate receiver is never pressurized. To prevent the flash steam loss to the atmosphere, plants install devices such as flash steam vent condensers in the flash steam vent line.

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