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Type 6905 Mechanical Dump Desuperheater
Type 6905 units use two or more special spray nozzles, or several rings of spray nozzles to atomize water and produce a large heat transfer contact area necessary for rapidly cooling the steam. As the droplets are relatively coarse and the steam temperature entering the desuperheater is normally above 400 Degrees Celsius, we usually recommend and supply a thermal sleeve welded on to the unit which extends approximately 0.3 meters into the downstream piping. Water pressure to this type of unit differs from all other units in that it is required at a minimum of 1.7 Bar above main steam line pressure.
Type 6905 units use two or more special spray nozzles, or several rings of spray nozzles to atomize water and produce a large heat transfer contact area necessary for rapidly cooling the steam. As the droplets are relatively coarse and the steam temperature entering the desuperheater is normally above 400 Degrees Celsius, we usually recommend and supply a thermal sleeve welded on to the unit which extends approximately 0.3 meters into the downstream piping. Water pressure to this type of unit differs from all other units in that it is required at a minimum of 1.7 Bar above main steam line pressure.
For more information on Type 6905 Mechanical Dump Desuperheater talk to Venturi Jet Pumps
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