Ducted fume cupboards | Kewuanee
Ensuring Laboratory Safety with Ducted Fume Cupboards by Kewaunee
In high-containment scientific research and industrial testing, managing hazardous chemical vapors, toxic fumes, and volatile aerosols is critical to personnel safety. While ductless systems recirculate filtered air, complex procedures involving heavy chemical loads, radioisotopes, or aggressive acids require direct, external exhaust systems. High-performance ducted fume cupboards serve as the primary containment barrier, safely drawing contaminated air away from the breathing zone and exhausting it through dedicated facility ductwork. As a global leader in laboratory infrastructure, Kewaunee sets the industry benchmark for engineering safer, compliant, and energy-efficient fume extraction systems.
The Role of Ducted Fume Cupboards in Modern Research
Unlike recirculating units that rely on carbon filters, ducted fume cupboards are connected directly to a facility’s central HVAC and exhaust infrastructure. This physical connection makes them essential for handling high volumes of toxic chemicals, perchloric acids, or volatile solvents that standard filtration cannot safely capture.
Key operational features of advanced ducted systems include:
Complete Contaminant Extraction: Hazardous gases, corrosive fumes, and particulate matter are continuously evacuated from the laboratory envelope and safely discharged externally.
Variable Air Volume (VAV) Compatibility: Modern ducted systems integrate seamlessly with VAV exhaust controls, adjusting airflow rates dynamically based on sash height to significantly reduce facility energy consumption.
Rigorous International Compliance: Leading fume enclosures undergo stringent testing to meet global containment benchmarks, such as ASHRAE 110-2016 and EN-14175-3 certification standards.
The Kewaunee Engineering Advantage
With over a century of laboratory manufacturing expertise, Kewaunee engineers ducted fume cupboards designed for maximum containment, operator comfort, and long-term durability.
1. Superior Aerodynamics with Venturi Technology
Kewaunee’s flagship Supreme Air Venturi series utilizes patented fascia port design and Z-convergent airfoils. By accelerating airflow at critical containment zones along the lower corners of the hood opening, these systems maintain a stable face velocity (0.5 m/s) to prevent vortex formation and chemical escape—even under turbulent room conditions.
2. Sustainable, High-Durability Construction
Moving away from flammable or short-lived materials like GRP (Glass Reinforced Plastic), Kewaunee constructs its ducted enclosures using recyclable, powder-coated CRCA steel and fire-resistant phenolic resin liners. Designed to withstand extreme thermal exposure (up to 700°C) and harsh chemical splatter, these enclosures offer long service lives while supporting LEED and green building certifications.
3. Turnkey Integration & Smart Controls
Kewaunee simplifies facility deployment by offering end-to-end solutions, combining fume cupboard supply with Revit MEP-coordinated exhaust ductwork design. Optional smart features—such as automatic sash closing mechanisms, digital airflow monitoring, and integrated under-bench storage for hazardous goods—further elevate operational safety.
Elevating Workplace Safety with Kewaunee
Selecting ducted fume cupboards engineered by Kewaunee ensures your facility achieves the optimal balance of safety, structural durability, and energy efficiency. Whether outfitting a pharmaceutical R&D hub, an academic chemistry building, or an industrial testing facility, Kewaunee delivers tailored, code-compliant containment solutions designed to protect scientists and advance groundbreaking research.
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