Flowserve Desuperheaters User Manual
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Desuperheaters FCD VLENIM0115-00 – 09/11
flowserve.com
This bulletin contains descriptions of the MaxCool MCX, VaporCool, and VaporCool MicroNozzle
desuperheaters along with their basic principles of operation and characteristics. Also included are
instructions for installing, operating and maintaining these desuperheaters. The information contained
herein is intended to be a general guide for steam desuperheating applications.
DESCRIPTION AND PRINCIPLES OF OPERATION
Desuperheaters are used to reduce steam temperature by injecting atomized water into the superheated
steam flow. Desuperheater nozzles can be lance mounted as shown in Figure 1 or manifold mounted
as shown in Figures 2 and 3. Lance mounted desuperheaters can be equipped with MaxCool MCX,
VaporCool, or VaporCool MicroNozzle nozzles. Manifold mounted desuperheaters can be equipped with
MaxCool MCX or VaporCool MicroNozzle nozzles.
Figure 1: Lance Mounted MaxCool MCX Desuperheater
Cooling Water
Flange
Lance/Nozzle
Pipe Connection
MaxCool MCX
Nozzle Assembly
Lance
Mounting Flange
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