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FumeGard NU-164 By-Pass Fume Hood

The FumeGard 164 By-Pass Polypropylene Fume Hood is constructed from stress relieved white polypropylene intended for use in high acid environments, trace metal analysis, materials analysis, toxicology, semi-conductor development, prototype/production and/or etching/plating operations.

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FumeGard NU-164 By-Pass Fume Hood

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A Safe Continuous Environment
Constructed of stress-relieved polypropylene, the FumeGard NU-164 has a by-pass (protected by a grill) that maintains a constant volume of airflow. As the sash is closed, air is by-passed at the top of the hood, causing the hood face velocity to increase much more slowly than a conventional fume hood. A deflector vane across the bottom of the opening directs airflow across the work surface. This provides a permanent opening even when the sash is closed. Most of the exhausted air enters the fume hood through the by-pass. The eye-level Control Center has on/off switches for exterior mounted fluorescent light or optional electrical devices (outlets, window alarms, night setback controls, or exhaust blower interlock systems).

Applications for All
NuAire polypropylene products have been used in Chemical Engineering, Electrical Engineering, Material Science, Environmental Toxic Analysis, Analytical Chemistry, Metallurgy, Water Treatment Facilities, Toxicology, Trace Metal Analysis, Marine Science, Waste Management, Soil Science, Semiconductor, and more.


Superstructure Constructed from 1⁄2” (13 mm) Stress Relieved, All Seam Welded Polypropylene
All Negative Pressure Interior
Air By-Pass for More Uniform Face Velocity During View Screen Manipulation
Cool White Fluorescent Lighting
Electronic Fluorescent Lamp Ballast
Counterbalanced Lexan® View Screen Slides 18” (457 mm) Maximum Opening to Fully Closing
Flush Mounted Exterior/Interior Plumbing Chase Access Panels
Polypropylene Service Valves (Except Natural Gas)
Connection Provided for Venting a Base Cabinet
Rear Baffle Removable for Maintenance
Reinforced 1⁄2” (13 mm) Polypropylene Work Surface
Lower Work Access Opening Airfoil
PVC Electrical Junction Box
Modular Electrical Component Construction


Optional Features
PVDF Lined Interior or Flame Retardant Polypropylene Fume Hood
Composition Stone/Modified Epoxy Resin Work Surfaces
Air Flow Alarm Systems
Remote Controlled Service Valves for Gas, Air, Vacuum
Cascade or Single Rinse Tanks with/without Nitrogen Purge
Rear Exhaust Duct Wash-Down System
Polypropylene, Teflon® or PVDF Gooseneck Faucets
Custom Polypropylene Sinks with Chemically Resistant “P”-Trap
Teflon®, PVDF, or Polypropylene Dip Tanks with/without Drains
Polypropylene or PVDF Sinks with Hot/Cold or D.I. Water Faucets
Teflon® Liquid/Air Aspirators to Syphon Chemicals
D.I. Water or N2 Teflon® Spray Guns
Exhaust Interlocks for Building Controls
Polypropylene Exhaust Damper with Quadrant Lock
Ground Fault Circuit Interrupter for Duplex Outlet(s)
Additional Duplex Outlet(s) with PVC Covers

Overall Dimensions 4 ft. (1.2 m) 5 ft. (1.5 m) 6 ft. (1.8 m) 8 ft. (2.4 m)
Width 48 ½" (1232 mm) 60 ½" (1537 mm) 72 ½ (1842 mm) 96 ½ (2451 mm)
Depth 31 ½”—37 ½” (800-952 mm) 31 ½”—37 ½” (800-952 mm) 31 ½”—37 ½” (800-952 mm) 31 ½”—37 ½” (800-952 mm)
Height (includes exhaust collar) 60 ½” (1537 mm) 60 ½” (1537 mm) 60 ½” (1537 mm) 60 ½” (1537 mm)
Height (with base) 88 ¾” (2254 mm) 88 ¾” (2254 mm) 88 ¾” (2254 mm) 88 ¾” (2254 mm)
Work Area Dimensions        
Width 38 ½" (978 mm) 50 ½" (1283 mm) 62 ½" (1588 mm) 86 ½" (2197 mm)
Depth 24" Work Surface 25 ½" (648 mm) 25 ½" (648 mm) 25 ½" (648 mm) 25 ½" (648 mm)
Depth 30" Work Surface 31 ½" (800 mm) 31 ½" (800 mm) 31 ½" (800 mm) 31 ½" (800 mm)
Height 29" (737 mm) 29" (737 mm) 29" (737 mm) 29" (737 mm)
Shipping Weight        
24" Work Surface 705 lbs (320 kg) 730 lbs (332 kg) 825 lbs (375 kg) 1265 (575 kg)
30" Work Surface 756 lbs (344 kg) 839 lbs (381 kg) 900 lbs (409 kg) 1325 lbs (602 kg)
Airflow Characteristics        
Inflow Velocity 105 fpm (0.53 m/s) 105 fpm (0.53 m/s) 105 fpm (0.53 m/s) 105 fpm (0.53 m/s)
Exhaust Volume (window full open) 506 cFM (860 cMH) 665 cFM (1130 cMH) 823 cFM (1399 cMH) 1140 cFM (1938 cMH)
Exhaust Static 0.3” (8 mm) w.g. 0.4” (10 mm) w.g. 0.5” (13 mm) w.g. 0.8” (20 mm) w.g.
Exhaust Duct Opening 12” diameter (305 mm) 12” diameter (305 mm) 12” diameter (305 mm) 12” diameter (305 mm)
Light Intensity foot-candles (LUX) 100 (1076) 100 (1076) 100 (1076) 100 (1076)
Warranty 1 Year Parts and Labor (US & CA)
2 Year Parts (Intl)
Accolades ASHRAE Standard 110-1995, SEFA 1-1992, UL, UL-C, CE, Energy Saver, RoHS
Please note specifications are subject to change. Please contact NuAire to verify before purchase.