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Walk-In Fume Hood

The Iroquois walk-in fume hood is a floor-mounted hood designed to handle large laboratory equipment with roll-in accessibility.  The full airfoil design of the LA-series side posts promotes smooth airflow around the sash perimeter.  Wide Post (flat front) and Slimline (thin wall) post styles are also available.  Two independent full-framed vertical rising sashes are standard equipment.  Our distillation hood, a shorter version of the walk-in, can be floor- or low table-mounted.  Drawing from a half century of hood-making experience, we build hoods to accommodate almost every variety of apparatus and procedures.

walk in fume hood

Standard features include:

  • Welded superstructure for structural rigidity and design flexibility to contain large equipment and conveyances
  • Three-piece baffle system with three adjustable dampers to regulate lighter- and heavier-than-air gases
  • Airfoil around top and sides of sash opening, with electrical fixtures and plumbing controls mounted on bias surface
  • Bypass grill with adjustable louvers to control bypass air volume
  • Two independent, full-framed, stainless steel vertical sash with integral stainless steel finger pulls
  • Stainless steel sash guides, duct collar
  • Sash/counterweight pulley system utilizing four 2 ½”-diameter pulleys for one-finger sash movement; full-width counterweight featuring “Tilt-Lock” for additional safety and durability
  • Vapor-proof fluorescent light fixture – 2’ or 4’ (bulbs not included)

Optional equipment includes:

  • Liner material – choice of nine non-asbestos materials
  • Electrical switches and receptacles.  Also explosion-proof lighting and fixtures available.
  • Remote-controlled plumbing fixtures, with chrome or color-coded outlets.  Pre-piped hard copper with soldered joints.
  • Choice of sashes – vertical rising (standard); top-hung horizontal sliding;
    combination (vertical /horizontal)
  • Ceiling enclosure
  • Air velocity monitor/alarm
  • Auxiliary air bonnet – supplements room air by supplying 70% of hood air from outside building.  Requires its own blower and duct.
  • Automatic sash closer
  • Worksurface – cast epoxy, dished or flat
  • Blowers – selected to match hood and ductwork configuration, corrosive or ignitable exhaust fume

ul seal LA-Series Walk-In Hoods comply with U.L. 1805 Classification requirements