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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.


Across International LLC 
111 Dorsa Avenue
Livingston, NJ 07039 
United States 
888-988-0899 
Visit this company's website
Facility : Shandong, China

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
 
BC-2F[1] A2 A 100 - 110 60 - 70 N/A 2 10S 28 U.V. Light
Canopy Connection
BC-3F[2] A2 A 100 - 110 60 - 70 N/A 3 10S 27 Canopy Connection
I.V. Pole
U.V. Light
BC-4F[3] A2 A 100 - 110 60 - 70 N/A 4 10S 27 I.V. Pole
U.V. Light
Canopy Connection
BC-4FB2[4] B2 A 100 - 110 60 - 70 949 @ 2.1 4 8S 27 I.V. Pole
U.V. Light
BC-6F[5] A2 A 100 - 110 60 - 70 N/A 6 10S 27 I.V. Pole
Canopy Connection
U.V. Light		 

[1] Inflow nominal set point of 105 fpm was established with a direct airflow reading
    instrument. This nominal set point was confirmed using the manufacturer's recommended
    alternate method with thermal anemometer in a constricted (3 inch high) access opening
    (consult manufacturer's operator's manual for appropriate correction factor) without
    adjusting cabinet airflow balance. Downflow nominal set point of 65 fpm was established
    with U.V. Light removed. This cabinet model was Certified to NSF/ANSI
    49-2020. Certified for use with power supplies of 115V/60Hz, 230V/50Hz and 230V/60Hz.
    Canopy connection model number is 2T-C.
[2] Inflow nominal set point of 105 fpm was established with a direct airflow reading
    instrument.  This nominal set point was confirmed using the manufacturer's recommended
    alternate method with thermal anemometer in a constricted (3 inch high) access opening
    (consult manufacturer's operator's manual for appropriate correction factor) without
    adjusting cabinet airflow balance. Downflow nominal set point of 65 fpm was established
    with I.V. Pole and U.V. Light removed.  This cabinet model was Certified to NSF/ANSI
    49-2016. Certified for use with power supplies of 115V/60Hz, 230V/50Hz and 230V/60Hz.
    Canopy connection model number is 3T-C.
[3] Inflow nominal set-point of 105 fpm was established with a direct airflow reading
    instrument. A corresponding inflow nominal set-point of 105 fpm (corrected to local
    air density) was confirmed using manufacturer's recommended alternate method with
    thermal anemometer in a constricted (3 inch high) access opening and applying
    appropriate correction factor without adjusting cabinet airflow balance. The downflow
    nominal set-point of 65 fpm was established 4 inches above the bottom of the sash with
    the I.V. Pole and U.V. Light removed. This cabinet model was Certified to NSF/ANSI
    49-2014. Certified for use with power supplies of 115V/60Hz, 230V/50Hz and 230V/60Hz.
    Canopy connection model number is 4T-C.
[4] Inflow nominal set point of 105 fpm was established with a direct airflow reading
    instrument.  This nominal set point was confirmed using the manufacturer's recommended
    alternate method with thermal anemometer in a constricted (3 inch high) access opening
    (consult manufacturer's operator's manual for appropriate correction factor) without
    adjusting cabinet airflow balance. Downflow nominal set point of 65 fpm was established
    with I.V. Pole and U.V. Light removed.  This cabinet model was Certified to NSF/ANSI
    49-2016. Certified for use with power supplies of 115V/60Hz, 230V/50Hz and 230V/60Hz.
[5] Inflow nominal set-point of 105 fpm was established with a direct airflow reading
    instrument.  A corresponding inflow nominal set-point of 105 fpm (corrected to local air
    density) was confirmed using manufacturer's recommended alternate method with thermal
    anemometer in a constricted (3 inch high) access opening and applying appropriate
    correction factor without adjusting cabinet airflow balance.  The downflow nominal
    set-point of 65 fpm was established 4 inches above the bottom of the sash with the I.V.
    Pole and U.V. Light removed.  This cabinet model was Certified to NSF/ANSI 49-2014. 
    Certified for use with power supplies of 115V/60Hz, 230V/50Hz and 230V/60Hz. Canopy
    connection model number is 6T-C.

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