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IMI CCI
DA-90 SE Steam-Assisted Desuperheater
Steam-assisted desuperheater for precise temperature control in variable-load steam systems.
Delivers accurate steam temperature control under varying load and flow conditions.
Reduces risk of thermal stress and damage through fine water atomisation using auxiliary steam.
Enables efficient system performance with simple installation and minimal pressure drop sensitivity.
Features
The DA-90SE is a fixed-nozzle desuperheater from the IMI CCI product range, designed for steam systems where flow velocity is low or fluctuating. It uses auxiliary steam to finely atomise the injected cooling water, delivering effective temperature control with minimal thermal stress. The unit performs reliably even in highly variable load conditions, maintaining temperatures just 5–8°C above saturation. With a compact, stud-welded design and high wear resistance, it installs easily into pipelines of DN150 or larger. The DA-90SE is widely used in power plants and process industries to protect downstream equipment and enhance heat transfer performance.
Key features
Steam-assisted water atomisation
Fixed-nozzle design
Control range up to 50:1
Operates independent of steam velocity
Accurate control: 5–8°C above saturation
For DN ≥150 pipelines
Stud-welded installation
Pressure classes: ANSI 150–900 (up to 1500 on request)
Suitable for power and process steam systems
High wear resistance materials
Specifications
Material
A-106 B
A-335 P11
A-335 P22
A-335 P91
A-335 P92
EN 10216-2 P235GH
EN 10216-2 16Mo3
EN 10216-2 13CrMo4-5
EN 10216-2 10CrMo9-10
EN 10216-2 X10CrMoVNb9-1
EN 10216-2 X10CrWMoVNb9-2
Temperature Limits (°C)
200 to 580
Certification
PED
NACE
SIL
CRN
IBR
Service Category
General
Semi-Severe
Severe
Design Codes
ASME BPVC Section VIII
ASME B16.34
EN 12516-2
Spray Injection Category
Steam Assist Nozzle
Resources
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