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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.


 
Baker Company, Inc. (The) 
175 Gatehouse Road
Sanford, ME 04073 
United States 
800-992-2537 
207-324-8773
Visit this company's website
Facility : Sanford, ME

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
 
BCG401[1] B2 C 100 - 110 35 - 45 664 @ 1.6 4 8S 35 I.V. Pole
U.V. Light
Casters
BCG601[1] B2 C 100 - 110 35 - 45 993 @ 1.6 6 8S 35 I.V. Pole
U.V. Light
SG404[2] [3] [4] [5] A2 A 100 - 110 47 - 57
42 - 52		 N/A 4 8S 37 I.V. Pole
U.V. Light
Casters
Canopy Connection
SG404[2] [3] [4] [5] A2 A 100 - 110 47 - 57
42 - 52		 N/A 4 10S 37 I.V. Pole
U.V. Light
Casters
Canopy Connection
SG404[2] [3] [4] [5] A2 A 100 - 110 47 - 57
42 - 52		 N/A 4 12S 37 I.V. Pole
U.V. Light
Casters
Canopy Connection
SG504[2] [3] [5] [6] A2 A 100 - 110 45 - 55
42 - 52		 N/A 5 8S 37 I.V. Pole
U.V. Light
Casters
Canopy Connection
SG504[2] [3] [5] [6] A2 A 100 - 110 45 - 55
42 - 52		 N/A 5 10S 37 I.V. Pole
U.V. Light
Casters
Canopy Connection
SG504[2] [3] [5] [7] A2 A 100 - 110 45 - 55
40 - 50		 N/A 5 12S 37 I.V. Pole
U.V. Light
Casters
Canopy Connection
SG604[2] [3] [5] [8] A2 A 100 - 110 48 - 58
42 - 52		 N/A 6 8S 37 Casters
Canopy Connection
I.V. Pole
U.V. Light
SG604[2] [3] [5] [8] A2 A 100 - 110 48 - 58
42 - 52		 N/A 6 10S 37 Casters
Canopy Connection
I.V. Pole
U.V. Light
SG604[2] [3] [5] [9] A2 A 100 - 110 42 - 52
36 - 46		 N/A 6 12S 37 Canopy Connection
Casters
I.V. Pole
U.V. Light		 

[1] Beginning with serial number 103539 for the 4-foot model and serial number 103706 for
    the 6-foot model.  Inflow nominal setpoint of 105 fpm was established with a direct
    airflow reading instrument.  This nominal set point was confirmed using the
    manufacturer's recommended alternate calculated 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 was established with I.V. Pole and U.V. Light removed.  This cabinet
    model was Certified to NSF/ANSI 49-2010a.  This cabinet qualifies only with the armrest
    installed.  This cabinet is approved with additional petcocks on the sidewalls and a low
    static pressure exhaust plenum.  Cabinet models BCG401 INT and BCG601 INT are Certified
    for alternate motor/blower combinations and input power supply.
[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 calculated method with thermal anemometer in a constricted (3 inch high)
    access opening (consult manufacturer's operator's manual for appropriate correction
    factor, if applicable).
[3] Baker model designations SG404-AUS and SG604-AUS are Certified to NSF/ANSI 49-2012 for
    operation at 220V/50Hz with an 8-inch window opening.  Baker model designations
    SG404-INT, SG504-INT, and SG604-INT are Certified to NSF/ANSI 49-2012 for operation at
    either 220V/50Hz or 220V/60Hz.
[4] Beginning with serial number 110235.  The acceptable non-uniform downflow ranges listed
    above begin with zone 1 (47-57 fpm) at the rear of the work area (compromised of lateral
    rear and center rows) and end with zone 2 (42-52 fpm) (comprised of front lateral row)
    behind the front  window enclosing the work area.  Downflow nominal set points were
    established with the I.V. Pole and U.V. Light removed.  This cabinet model was Certified
    to NSF/ANSI 49-2012.  This cabinet qualifies only with the armrest installed.  FlexAir
    Canopy connection 333A745 is approved for use with this model.
[5] The maximum height for the bench stand with casters is 30 inches.  The maximum height
    for the bench stand with feet is 37 inches.
[6] Beginning with serial number 110795.  The acceptable non-uniform downflow ranges listed
    above begin with zone 1 (45-55 fpm) at the rear of the work area (compromised of lateral
    rear and center rows) and end with zone 2 (42-52 fpm) (comprised of front lateral row)
    behind the front window enclosing the work area.  Downflow nominal set points were
    established with the I.V. Pole and U.V. Light removed.  This cabinet model was Certified
    to NSF/ANSI 49-2012.  This cabinet qualifies only with the armrest installed.  FlexAir
    Canopy connection 336A745 is approved for use with this model.
[7] Beginning with serial number 110795.  The acceptable non-uniform downflow ranges listed
    above begin with zone 1 (45-55 fpm) at the rear of the work area (compromised of lateral
    rear and center rows) and end with zone 2 (40-50 fpm) (comprised of front lateral row)
    behind the front window enclosing the work area.  Downflow nominal set points were
    established with the I.V. Pole and U.V. Light removed.  This cabinet model was Certified
    to NSF/ANSI 49-2012.  This cabinet qualifies only with the armrest installed.  FlexAir
    Canopy connection 336A745 is approved for use with this model.
[8] Beginning with serial number 110555.  The acceptable non-uniform downflow ranges listed
    above begin with zone 1 (48-58 fpm) at the rear of the work area (compromised of lateral
    rear and center rows) and end with zone 2 (42-52 fpm) (comprised of front lateral row)
    behind the front window enclosing the work area.  Downflow nominal set points were
    established with the I.V. Pole and U.V. Light removed.  This cabinet model was Certified
    to NSF/ANSI 49-2012.  This cabinet qualifies only with the armrest installed.  FlexAir
    Canopy connection 336A745 is approved for use with this model.
[9] Beginning with serial number 110555.  The acceptable non-uniform downflow ranges listed
    above begin with zone 1 (42-52 fpm) at the rear of the work area (compromised of lateral
    rear and center rows) and end with zone 2 (36-46 fpm) (comprised of front lateral row)
    behind the front window enclosing the work area.  Downflow nominal set points were
    established with the I.V. Pole and U.V. Light removed.  This cabinet model was Certified
    to NSF/ANSI 49-2012.  This cabinet qualifies only with the armrest installed.  FlexAir
    Canopy connection 336A745 is approved for use with this model.

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