Fume Hoods

fume hood

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The Flow Sciences Chemical Fume Hood

FEATURES & BENEFITS

FEATURES & BENEFITS

OVERLAPPING SASH BYPASS PROVIDES BETTER CONTAINMENT AND DOES NOT REQUIRE CHANGES IF VAV IS INSTALLED IN THE LAB FUME HOOD
 

SAVE OVER 60% OF ENERGY WITH THE SAF T FLOW FUME HOOD SERIES OVER OTHER LAB FUME HOODS

GREAT ANSI/ASHRAE 110 CONTAINMENT RESULTS UNDER A WIDE RANGE OF CONTSTANT VOLUME AND VAV CONDITIONS IN THE LOW FLOW SAF T FLOW CHEMICAL FUME HOOD SERIES

DESIGN. Uniquely designed for safety and convenience, the SAF T FLOW™ features include a different kind of bypass system that assures all airflow entrained by the hood is actively used to engage, contain, and exhaust fumes from the containment area. High efficiency allows a high degree of energy saving which saves lots of money.

SAFETY. The SAF T FLOW™ lab fume hood series provides safety from chemical vapors generated during chemical processes including reflux, distillation, flash chromatography, evaporation, and other process equipment applications.
FLEXIBILITY. SAF T FLOW™ chemical hood uses the same overall design structure in all standard fume hood sizes to maximize simplicity in lab planning, layout, and HVAC coordination. This approach allows any popular low flow exhaust option without requiring expensive retrofits to the hood.

SLIDE-OUT TOP SYSTEM.  Sometimes tops shatter. The slide-out feauture allows complete top replacement without lifting the fume hood superstructure and disconnecting plumbing and ductwork.

STABILIZING BAFFLE CONTROL SYSTEM.  Slots orented in both X and Y axis promote even air flow back into the hood interior from top to bottom of the sash opening. The rear baffle is also removable for easy fume hood cleaning.
QUICK-SET SCAFFOLDING SYSTEM.  Detachment knobs make for quick scaffolding setup and easy rear baffle removal for cleaning of the fume hood.
CLEAR CORD FLIP-UP AIRFOIL.  Used for safe cord routing and airflow direction in the chemical fume hood.
HEAVY GUAGE SUPERSTRUCTURE AND CHAIN DRIVE.  14 and 18 guage framing system and #35 steel chain drive will run 500,000 cycles without breaking.

VIDEOS

VIDEOS

OVERLAPPING SASH BYPASS

OVERLAPPING SASH BYPASS

The overlapping sash bypass provides better containment and never needs to be removed or replaced if Variable Air Volume conservation systems are retrofitted into an existing Saf T Flow installation. In all exhaust applications, bypass air does productive work clearing fumes from behind the sash and means all exhausted air does containment work at all times, with any exhaust strategy.
Keep in mind, volumetric reductions in fume hood exhaust can save thousands of energy dollars each year on each hood. This is the main reason traditional constant volume hoods have been frequently converted to VAV to save exhaust air and energy.
We have tested our OSB from 100 FPM full open sash down to 60 FPM at 18” sash opening with ASHRAE 110 containment equipment and cannot tell any difference in containment performance at any selected face velocity or opening within this range. Breathing zone containment ranged from 0.005ppm down to undetectable. Fantastic containment at very low exhaust volumes! 

SERIES MODELS

SERIES MODELS

STANDARD OPTIONS

STANDARD OPTIONS

PLUMBING OPTIONS

PLUMBING OPTIONS

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SAF T FLOW™ Sustainability & Safety

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