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Perchloric Acid Fume Hood

The Iroquois perchloric acid fume hood is designed specifically for procedures using perchloric acid.  Based on our LA-series superstructure, it features a one-piece, cove-cornered Type 316 stainless steel interior with integral work surface and washdown system.  Regular use of the washdown system cleanses the hood interior of perchloric salts, which drain into a full-length sloped trough contained in the work surface. Access to plumbing is through exterior access panels only.  Due to the extreme reactivity of perchloric acid, this hood should be used FOR PERCHLORIC ACID ONLY

acid fume hoods
Standard features include:
  • One-piece 16-gage Type 316 stainless steel interior – coved corners welded to dished, reinforced countertop with integral cupsink and full-length sloped trough; all surfaces are polished to #4 finish
  • High-volume washdown tube with remote control cold water valve
  • Two-piece Type 316 stainless steel baffle system with adjustable upper and lower dampers to regulate lighter- and heavier-than-air gases
  • Side post electrical and plumbing knockouts – on bias surface; in standard or ADA configuration
  • Bypass grill with adjustable louvers to control bypass air volume
  • Full frame, Type 316 stainless steel vertical sash with integral stainless steel finger pull
  • Type 316 stainless steel sash guides, lower airfoil, 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:

  • Electrical switches and receptacles
  • Remote-controlled plumbing fixtures, with chrome outlets.  Pre-piped hard copper with soldered joints.
  • Sash stop
  • Ceiling enclosure
  • Air velocity monitor/alarm
  • Automatic sash closer
  • Cabinets – complete line of metal laboratory casework, including hood base, acid storage and flammable storage cabinets
  • Blower – specifically designed for perchloric acid exhaust – spark-resistant construction with inorganic coatings, washdown nozzle and drain, Type 316 stainless steel stack with washdown; selected to match hood and ductwork configuration