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    Double wall stainless steel exhaust systems

    Chimneys made of stainless steel with high quality insulation material, available in different designs, materials and colors.

    DWGD+1

    Double wall reduced clearance grease duct

    System features

    Specifications

    Description

    Double Wall reduced clearance grease duct 

    Wall thickness

    Inner Liner per UL-1978 Listing 
    Outer Jacket 0.025" (diameters 5 - 24 inch)
    Outer Jacket 0.035" (diameters 26 - 36 inch)

    Inner diameter

    5-36 inch

    Insulation

    Ceramic Fiber, 1.5" thick compressed to 1.25" space

    Connection

    Conical

    Locking band

    Attached to each part

    Main features

    • Leak proof conical high pressure joints
    • All components are stainless steel
    • Smooth flow and known resistance for perfected factory pressure calculations
    • Dramatically reduces clearance to combustibles

      Applications

      Stainless steel and factory insulated Grease Duct for commercial kitchen ventilation systems. Wood-burning Pizza Oven Chimnes/Exhaust. Applicable for all fuels: gas, oil, and solid fuels including wood.

      UL Listings (and ULC)

      UL-1978 Standard
      Grease Duct
      (ULC-S662 Standard for Factory-Built Grease Duct)


      UL-103 Standard
      Building Heating Appliance Chimney
      (Industrial Type 540°C Chimnes)

       

      UL-103 
      Additional Positive Pressure
      Listing to 90” WC 



      UL-103
      Additional
      Type HT Listing


      25 years warranty!