DN400 butterfly air damper

SAMMET PAPILLON DN400

Brand: SAMMET
Type: On/Off Damper
Serial Number: 23012‑2129521
Weight: 47 kg
Size: DN400 (circular butterfly damper)
Manufactured: June 2023
Tag: HS‑270‑800
Configuration: LIN mounting (Sammet-specific orientation/positioning)

SAMMET On/Off Damper DN400

1. Product Description
SAMMET® On/Off Circular Industrial Damper – DN400, designed for the isolation or full opening of air or process gas ducts. Intended for use in sectors such as power generation, incineration, dust extraction, thermal processing, and industrial ventilation.

2. Technical Specifications
2.1. General

Model: Circular On/Off Damper
Nominal Diameter: DN400
Weight: 47 kg
Construction: Painted steel, circular flanged frame
Actuation: Butterfly disc operated by mechanical actuator
Orientation: LIN (Sammet-specific configuration)
Action type: Opening/closing
Typical applications: Air flow, hot or dusty gases, process applications
Performs well under moderate differential pressure
Low pressure drop when fully open

3. Applications

Power plants / industrial boilers
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Dust extraction systems (ESP, bag filters, etc.)
Incineration & flue gas treatment
Metallurgy, cement, petrochemical processes
High-temperature industrial ventilation
Air/gas circuits requiring simple but reliable isolation

4. Condition & Packaging
Condition: New, never installed

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