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Fume Hoods

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Fume Hood

Fume Hoods

Fume Hood is a critical safety device used in laboratories to protect personnel from exposure to hazardous fumes, vapors, and particulates. It functions by drawing air away from the user and through a filtration or exhaust system, thereby containing and removing contaminants generated during chemical handling or experimental procedures. Fume hoods are essential in chemical, pharmaceutical, and educational labs, offering a controlled environment for safe experimentation. Designed for durability, efficiency, and compliance, modern fume hoods incorporate advanced airflow systems, ergonomic features, and customizable configurations to meet diverse laboratory needs.

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  1. Effective Containment & Ventilation: Fume hoods use high-efficiency airflow systems to capture and exhaust harmful vapours, gases, and dust. This containment prevents the spread of contaminants into the lab environment, protecting both the user and surrounding equipment. The airflow is typically maintained at a face velocity of 0.4–0.6 m/s, ensuring consistent and safe operation.
  2. Adjustable Sash Window: The sash, which can be vertically or horizontally sliding, acts as a physical barrier between the user and the work area. It allows controlled access while maintaining airflow containment. Some models feature automatic sash positioning or alarms to ensure optimal safety during use.
  3. Chemical-Resistant Construction: The interior surfaces of fume hoods are made from materials like epoxy-coated steel, stainless steel, or polypropylene, which resist corrosion and degradation from chemical exposure. The work surface may be epoxy resin, ceramic, or stainless steel, depending on the application.
  4. Airflow Monitoring & Alarms: Integrated sensors continuously monitor airflow and alert users to unsafe conditions such as low face velocity or system failure. Visual and audible alarms enhance safety by prompting immediate corrective action.
  5. Lighting & Visibility: Bright LED or fluorescent lighting ensures clear visibility of the workspace, reducing errors and improving precision during experiments. Transparent sash windows provide unobstructed views while maintaining containment.
  6. Ergonomic Design: Fume hoods are designed to support comfortable working posture, with accessible controls and spacious interiors. This reduces fatigue during long procedures and improves workflow efficiency.
  1. Chemical Handling: Fume hoods are essential for safely performing reactions, mixing, and transfers involving volatile, flammable, or toxic chemicals. They prevent inhalation of harmful vapors and reduce the risk of fire or explosion.
  2. Pharmaceutical Research: In drug development and formulation, fume hoods provide a sterile and safe environment for handling active pharmaceutical ingredients (APIs) and solvents, minimizing contamination and exposure risks.
  3. Industrial Testing: Fume hoods are used in material testing, etching, and cleaning processes that involve corrosive agents or hazardous chemicals. They ensure compliance with safety regulations and protect sensitive equipment.
  4. Educational Labs: In academic settings, fume hoods allow students to conduct chemical experiments safely. They are designed to be user-friendly and compliant with institutional safety standards.
  1. Width Options: 900 mm / 1200 mm / 1500 mm / 1800 mm / 2400 mm
  2. Sash Type: Vertical/Horizontal sliding sash
  3. Construction:
    1. Body: Epoxy-coated MS / SS304 / Polypropylene
    2. Work Surface: Epoxy resin / Ceramic / Stainless steel
  4. Airflow Type: Constant Air Volume (CAV) / Variable Air Volume (VAV)
  5. Face Velocity: 0.4–0.6 m/s (80–120 fpm)
  6. Lighting: LED/fluorescent, ≥800 lux
  7. Exhaust System: Ducted/Ductless with filtration
  8. Power Supply: 220V / 50Hz or 110V / 60Hz
  9. Safety Features: Airflow alarm, sash position indicator, spill containment, fire suppression (optional)

Fume hoods can be tailored to meet specific laboratory requirements:

  1. Size & Configuration: Available in widths from 900 mm to 2400 mm; benchtop or floor-mounted models.
  2. Material Options: Body in epoxy-coated MS, SS304, or polypropylene; sash in tempered glass or polycarbonate.
  3. Airflow Type: Constant Air Volume (CAV) or Variable Air Volume (VAV) systems for energy efficiency and performance.
  4. Exhaust System: Ducted systems for direct venting or ductless models with activated carbon and HEPA filters for recirculation.
  5. Monitoring & Control: Digital airflow monitors, sash position sensors, and remote alarm systems for enhanced safety.
  6. Utility Integration: Built-in gas, water, vacuum, and electrical outlets for complete lab functionality.
  7. Safety Enhancements: explosion-proof lighting, fire suppression systems, spill containment trays, and emergency shut-off valves.
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