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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.


 
Bioair S.p.A. 
Via Pagano, 61
20145 Milan 
Italy 
39 03 826 6721
Visit this company's website
Facility : Siziano, Italy

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
 
SM-49 (Code: LDS4322)[1] A2 A 100 - 110 60 - 70 N/A 4 10S 35 Canopy Connection
Casters
I.V. Pole
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 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 65 fpm was established with I.V. Pole and U.V. Light removed. This
    cabinet model was Certified to NSF/ANSI 49-2022.  This cabinet model is Certified for
    use with optional touchscreen switch, petcock(s), cable ports(s), AZ1S304 Thimble
    adapter canopy connection, a fixed stand with casters (Max Ht. 28"), an adjustable stand
    with feet (Max Ht. 35"), and a hydraulic stand with casters (Max Ht. 35").

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