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| Sterling's deaerators utilize the unparalleled Sterling spray
valve for maximum dissolved gas removal. The Sterling spray valve is cast from
rugged, non-corrosive type 316L stainless steel to ensure maximum life. This self
adjusting, non-guided spray valve can handle flow up to twice its rated capacity,
while maintaining an effective, consistent spray pattern. Because the Sterling
Spray Valve is hydraulically balanced and non-guided, solid particles and debris
pass harmlessly through the valve without clogging or reducing performance. As
described in the deaerating principle, the thin film of feedwater sprayed into
the steam atmosphere provides rapid heat transfer and gas removal. The Sterling
spray valve produces that essential thin cone of feedwater consistently over its
operating range, resulting in continuous deaerating performance. |
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| In addition to Sterling's superior spray valve, our tray type
deaerators are also equipped with the Sterling tray assembly. The Sterling tray
assembly is constructed of 16 gauge, type 430 stainless steel, and is fastened
with stainless steel rivets. Each tray assembly consists of two staggered rows
of four tray channels. This staggered tray channel pattern ensures maximum feedwater
retention and reduced pressure drop which results in optimum heating surface and
deaeration. The Sterling tray assembly, as well as the Sterling spray valve, is
designed to be resilient: able to withstand upset and extreme conditions resulting
in reduced downtime. Rugged construction combined with lower steam pressure drop
extends deaerator life even under the most severe operating conditions. |
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