Round and Oval Duct and Fittings

Save time and money on your next commercial or industrial duct system by choosing FläktGroup® SEMCO® spiral and rolled round and flat-oval duct systems.
Spiral Duct

Key Differentiators​

  • Manifolded systems that save field labor: Promote ease of installation and contractor savings and increase aesthetic appeal in exposed applications
  • Low air leakage: Instills confidence in system design
  • Low pressure drop: Lowers cost of moving air through the system
  • Optional powder-coated duct: Provides a long-lasting, pleasing look

Product Details

Applications

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Material Type

Galvanized, galvanneal, aluminum, stainless, PVC

Thickness

Single wall, dual wall 1", dual wall 2"

Connection Type

Slip, flanged, angle ring

Shape

Round, oval

Additional Offering

Manifold, velocity gasketed

Specifications

Manifolded systems to save field labor, Low air leakage, Low pressure drop, Optional powder-coated duct, Fewer joints and flange options, Paintable exteriors, Velocity gasket joints

Product Overview

Installing the duct system is a breeze with FläktGroup SEMCO signature manifolded systems. Every part is optimized for installation and backed by the industry’s leading expert on reducing field labor.

Key Features/Benefits

  • Fewer joints and flange joint options: Simplifies installation and reduces field labor costs
  • Paintable exterior options: Allow for an enhanced architectural appearance
  • Stainless, PVC, and aluminum materials: Are well-suited for systems requiring corrosion and moisture resistance
  • Velocity gasket joints: Create air-tight seals without the need for messy and time-consuming sealants in the field

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