Advanced Fume Hoods - Lawrence Berkeley National Laboratory

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<strong>Fume</strong> Hood Systems!Need more emphasis on operatortraining. An unsafe fume hood usercan not be saved by a safe hood.!Over 5% of hoods have contaminantreleases monthly due to badexhaust fan design.!Eliminate cross-drafts especiallyfrom air-conditioning vents.
VAV <strong>Hoods</strong>!Need minimum turndown volumesto prevent extreme corrosion orflammability.!VAV hoods, operated properly, willsave more energy than even themost aggressive low flow constantvolume fume hoods.
Page 4: Low Flow Constant VolumeDynamic Bar
Page 10 and 11: Restricted Hood Opening Test• ASH
Page 12 and 13: Energy/ Cost Savings• Smaller ope
Page 14 and 15: FisherHamilton Concept Hood! Sash a
Page 16 and 17: FisherHamilton Concept Hood! Downfl
Page 18 and 19: In Development! Pioneer Hood to be
Page 20 and 21: LabCrafters Air Sentry Hood! Utiliz
Page 22 and 23: LabCrafters Air Sentry Hood!Has Upp
Page 24 and 25: Labconco XStream!Designed to operat
Page 26 and 27: Berkeley High PerformanceHood!Paten
Page 28 and 29: Push-Pull Concept!One of more small
Page 30 and 31: Computer Airflow Simulation
Page 34: Questions?Victor A. Neuman, PETek-A

Advanced Fume Hoods - Lawrence Berkeley National Laboratory

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