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NSF/ANSI 49
Class II (Laminar Flow) Biosafety Cabinetry

Cabinet Style
A = Bench Unit With Base or Adjustable Legs Provided
B = Bench Unit Without Base or Adjustable Legs Provided
C = Console
Window Type
H = Hinged
S = Sliding
F = Fixed
Bench Height
NA = Not Applicable
NP = Not Provided

CBV = Concurrent Balance Value

Due to a change in nomenclature in NSF/ANSI 49 - 2002 “Class II (Laminar Flow) Biosafety Cabinetry,” Class II, Type A cabinets are now referred to as Class II, Type A1 and Class II, Types B3 and A/B3 cabinets as Class II, Type A2. Class II, Types B1 and B2 cabinets remain unchanged.

Biosafety cabinet models Listed under NSF/ANSI 49 are approved for use with a power supply of 115V/60Hz, unless otherwise noted. If biosafety cabinets have been approved for use with additional power supplies, the power supply will be indicated in the Official Listing.



 
Allentown, Inc. 
Route 526
Allentown, NJ 08501-0698 
United States 
609-259-7951
Visit this company's website
Facility : # 1 USA

Model
Number
Cabinet
Type/Style
Inflow
Velocity
(fpm)
Downflow
Velocity
(fpm)
CBV (cfm)
at Static
Pressure
(in w.g.)
Cabinet
Width
ft.
Window
Ht/Type
in.
Bench
Ht
Max
in.
Acceptable
Options
 
39241[1] [2] A2 A 100 - 110 50 - 60 N/A 4 10S 36 Canopy Connection
I.V. Pole
U.V. Light
39242 Safety Cabinet[1] [3] A2 A 100 - 110 55 - 65 N/A 4 12S 36 Canopy Connection
I.V. Pole
U.V. Light
39248[1] [2] A2 A 100 - 110 50 - 60 N/A 4 8S 36 Canopy Connection
I.V. Pole
U.V. Light
39251[1] [2] A2 A 100 - 110 50 - 60 N/A 5 10S 36 Canopy Connection
I.V. Pole
U.V. Light
39252[1] [3] A2 A 100 - 110 55 - 65 N/A 5 12S 36 Canopy Connection
I.V. Pole
U.V. Light
39258[1] [2] A2 A 100 - 110 50 - 60 N/A 5 8S 36 Canopy Connection
I.V. Pole
U.V. Light
39261[1] [2] A2 A 100 - 110 50 - 60 N/A 6 10S 36 Canopy Connection
I.V. Pole
U.V. Light
39262 Safety Cabinet[1] [3] A2 A 100 - 110 55 - 65 N/A 6 12S 36 Canopy Connection
I.V. Pole
U.V. Light
39268[1] [2] A2 A 100 - 110 50 - 60 N/A 6 8S 36 Canopy Connection
I.V. Pole
U.V. Light

[1] Certified for use with power supplies of 100V/50Hz, 100V/60Hz, 230V/50Hz, and 230V/60Hz.
[2] Inflow nominal set point of 105 fpm was established with a direct airflow reading
    measurement. This nominal set point was confirmed using the manufacturer's 
    recommended alternate method with thermal anemometer in a constricted access 
    opening, using the manufacturer-supplied probe holder and sash stop (consult 
    manufacturer for appropriate correction factor, if applicable), without adjusting
    cabinet 
    airflow balance. Downflow nominal set point of 55 fpm was established with I.V. pole 
    and U.V. light removed. This cabinet model was Certified to NSF/ANSI 49-2012.
    This cabinet model is Certified for use with optional sidewall Vacu-PassTM Cord
    and Cable Portal.
    
[3] Inflow nominal set point of 105 fpm was established with a direct airflow reading
    measurement. This nominal set point was confirmed using the manufacturer's 
    recommended alternate method with thermal anemometer in a constricted access 
    opening, using the manufacturer-supplied probe holder and sash stop (consult 
    manufacturer for appropriate correction factor, if applicable), without adjusting
    cabinet 
    airflow balance. Downflow nominal set point of 60 fpm was established with I.V. pole 
    and U.V. light removed. This cabinet model was Certified to NSF/ANSI 49-2014.
    This cabinet model is Certified for use with optional sidewall Vacu-PassTM Cord
    and Cable Portal.


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