Square to Round Duct Reducer
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Square to Round Duct Reducer

Galvanized steel square to round duct reducer ensures smooth airflow transition, effectively cutting air resistance and turbulence. Rust-proof and tightly sealed, easy to mount. Concentric and eccentric styles optional, customized sizes fit exhaust and ventilation piping projects.

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Product Description

The square to round duct reducer is designed to provide a smooth transition between rectangular and round duct systems. Its optimized geometry reduces turbulence and airflow resistance, ensuring efficient ventilation performance. Made from galvanized steel or stainless steel, it offers excellent durability, sealing performance, and easy installation.

Materials & Specifications

  • Material
    • Core Material: Galvanized Steel Sheet
    • Optional Material: Stainless Steel
    • Surface Treatment: Anti-corrosion galvanized coating, smooth and rust-resistant
    • Type: HVAC Duct Transition / Reducer Fitting
    • Color: Silver
    • Customization: Yes (OEM / ODM Supported)
  • Specifications
    • Round Outlet Diameter:  100 mm / 125 mm / 150 mm / 200 mm / 300 mm (Custom sizes available)
    • Length:  0.1 m – 6 m (Customizable)
    • Shape Options:  Concentric Square to Round (Centered Transition)  Eccentric Square to Round (Offset Transition)  Square to Oval Transition
    • Connection Types
      • Round end: Beaded edge / Clamp connection
      • Square end: Flange connection (compatible with duct systems)
    • Manufacturing Process: Mechanical stamping and riveting, ensuring strong sealing and precise structure

Performance Features

  • Smooth Airflow Transition  Gradual square-to-round design reduces airflow resistance and minimizes turbulence.
  • Corrosion Resistance & Durability  Galvanized steel provides long-lasting performance and resistance to rust.
  • Reliable Sealing  Riveted and lock-formed construction ensures low air leakage.
  • Easy Installation  Flange and beaded connections allow quick and secure integration with ducts and fans.
  • Flexible Customization  Various sizes, lengths, and configurations available for different engineering needs.

Applications

  • Core Applications
    • Exhaust duct outlet transitions
    • Dust collection system connections
    • Square-to-round duct conversions in ventilation systems
  • Applicable Scenarios
    • Industrial facilities and factories
    • Commercial buildings (shopping malls, office buildings)
    • Underground parking garages
    • Kitchen exhaust systems
    • HVAC ventilation systems
    • Compatible Equipment
    • Dust extraction systems
    • Exhaust fans
    • Axial fans
    • Centrifugal fans

Product Advantages

  • Custom Manufacturing  Support for drawings and sample-based production
  • Cost-Effective Solution  Galvanized steel offers a balance of durability and affordability
  • Wide Compatibility  Suitable for various ventilation and exhaust systems
  • Reliable Quality  Mature production process with strong joints and low air leakage rate

Important Notes

  • This product is custom-made
  • Need confirm
    • Dimensions (square & round sizes)
    • Length and shape (concentric or eccentric)
    • Material requirements
    • Connection type

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