HEMCO UniFlow Auxiliary Air Fume Hood with Vapor Proof Light 96" 21821 |
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The UniFlow Auxiliary Air Fume Hood 21821 is a supply air solution for many labs that have insufficient room airflow. Equipped with auxiliary air plenum to induce added airflow to face opening of hood. Supply air ducting and remote blower is required. Equipped with vapor proof-light and switch. All electrical components and services are UL and CSA listed. The UniFlow Auxiliary Air Fume Hood 21821 measures 96"x24.25"x59" WxDxH. Optional hood accessories and hood ventilation systems are available.
Requires a remotely located exhaust blower & auxiliary supply blower |
UniFlow Auxiliary Air Flow Diagram |
Airflow (Sash Open)
Auxiliary make-up, air enters
supply plenum and is distributed down the exterior face in through sash opening. |
Airflow (Sash Closed)
Auxiliary make-up, air
diverts from the supply
plenum through the airby-
pass opening into the fume chamber. |
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Complete Your Fume Hood Installation |
Refer to PLAN-A-HOOD to assist in the planning of your UNIFLOW Fume Hoods.
- Auxiliary Air Supply Blowers
- Ventilation Systems (Filters and Scrubbers)
- Airflow Monitors and Sash Stop
- Plumbing and Electrical Services Factory installed according to your exact specifications
- Base Cabinets and Worksurfaces
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Specifications and Ordering Info |
UniFlow Auxiliary Air Fume Hood with Vapor Proof Light |
96" |
Superstructure is unitized composite FRP fire corrosion resistant non-metallic construction. Integral fume chamber is seamless glass smooth with all coved corners with adjustable VaraFlow baffle system and bell shaped exhaust collar. Picture frame sash opening has counter balanced clear tempered safety glass sash with chemical resistant PVC framing, track and aerodynamic sash lift. Built-in auxiliary air supply feature to reduce volume of conditioned air from room. Vapor-proof fluorescent T-5 light fixture and switch pre-wired to single point junction box, 115 volt, 60Hz AC, All electrical components UL Listed.
Requires a auxiliary supply blower see below and a remotely located exhaust blower |
Model
21821 |
Dimensions: WxDxH 96"x24.25"x59" |
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Accessories: |
AUXILIARY AIR SUPPLY BLOWER |
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Belt drive steel blower and impeller wheel are epoxy coated. V-belt drive and adjustable pulleys permit field balancing. Weather housing is furnished. Motor has thermal overload protection. Specify 115 V 1 ph, 230V 1 ph, 230/460 V 3 ph. Blowers are based on 50% supply make-up. 1/4 HP 800 CFM @ 1/2” S.P. Loss |
51904 |
SAFETY SASH STOP |
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Factory installed to specified designated height. Also available for field installation. |
51651 |
AirFlow Monitor |
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Continuously monitors face velocity airflow of fume hood. Select and calibrate at desired FPM velocity set point. If the hood face velocity falls below the set point, an audible alarm sounds and a visual red indicator light appears. Airflow alarm is factory installed or can be field installed. 115 volt 60Hz |
51406 |
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