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    1. Areas of application
    2. Commercial kitchen exhaust

    Industrial kitchens / restaurants

    A high-performance kitchen exhaust air system is indispensable in both commercial industrial kitchens and restaurants.

    The main task of a cooker hood and the connected exhaust/exhaust air system is to remove the mixture of (water) vapours, fats, solids and odors from the kitchen to the outside. This mixture is also referred to as vapor or steam. A fan, usually installed in the extractor hood, sucks in the steam and blows it outside through special exhaust air pipes. The intake of dirty, damp and greasy air creates a negative pressure in the kitchen, which is why good ventilation of the room is necessary.

    A deposit of grease in the exhaust air system, the extractor hood or in the existing filters is highly flammable and poses the greatest risk of fire. This is why kitchen exhaust air systems are not only subject to approval and acceptance, but also have to be cleaned regularly by specialist companies.

    The use of chemical flushing agents and the overpressure generated by the fan requires the exhaust air system to be pressure-resistant and accordingly restricts the selection of suitable systems. For canteen kitchens and restaurants, we recommend using our DW-KL, -FL or -CK series.

     


    Appropriate exhaust systems

    • Overlapping joint connection
    • For cooking appliances, kitchen hoods or dishwasher 
    • UL-1978, UL-103
    • Wall thickness 0.020''
    • For high pressure exhausts, kitchen ventilation systems or gas & oli vents
    • UL-103, UL-1978, UL-1738, UL-1777
    • 1.25” conical overlapping joint with added ½” rolled flange and vee band connection.
    • Wall thickness 0.035''
    • Stainless steel all-in-one chimney, vent, or exhaust system for condensing and noncondensing appliances
    • UL-103, UL-1978, UL-1738, UL-1777
    • Flange-to-flange connection
    • For kitchen ventilation systems
    • Ul-1978, ULC-S662

    DWCK+1

    • Reduced Clearance Grease Duct
    • For commercial kitchen exhausts
    • 1.5” thick ceramic fiber insulation compressed into a 1.25" thick space
    • UL-1978, UL-103, UL-2561

    DWCK-ZC

    • For commercial kitchen exhausts
    • High-density ceramic fiber insulation
    • UL-2221, UL-1978
    • Ceramic fiber insulation from 1.25'' - 4.25'' thickness
    • Suitable for chimney or ventilation
    • UL-2561, UL-103, UL-1978, UL-1738, UL-441, UL-641

     

    DWGD-RZ

    • Zero clearance duct in a rectangular assembly
    • For Kitchen ventilation systems
    • Ceramic fiber insulation
    • UL-2221, UL-1978
    • DWFL with zero wall clearance from combustible components
    • For fire rated grease ducts
    • UL-2221, UL-1978 and 90'' W.C. pressure listings for all applications
    • Chimney, gas vent and grease duct
    • Easiest and Fastest joint assembly on the market
    • Boiler stack for commercial / industrial boilers
    • Special gas vent for condensing boilers and water heaters 

    DWAF+1

    • Double wall chimney and grease duct system 
    • For negative and positive pressure
    • UL-1978, UL-103, UL-2561, UL-1738

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