NSF Product and Service Listings

These NSF Official Listings are current as of Friday, January 30, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/food/Listings.asp?Standard=007&Company=C0076331&


NSF/ANSI 7
Commercial Refrigerators and Storage Freezers



 
Bergstrom (Changzhou) Heat Exchangers, Ltd. 
28 Aoyuan Road, New District
Changzhou, Jiangsu Province 
213125 
China 
86 519 8596 6618

Facility : Jiangsu Province, China


COMPONENTS:

Refrigeration Core
  BS-(1)(2)(3)(4)(5)[1]
 
[1] BS: Bergstrom
    (1) Heater Exchanger type
        E - Evaporator
        C - Condenser
    (2) Heater Exchanger coating
        E - Electrophoresis coating
        N - Non-coating
        H - Hydrophilic
        P - Powder coating
    (3) No. of rows of fin
        One digit number 1-8 to indicate the number of rows of fins
    (4) No. of hole of fin
        Two digit number 2-60 to indicate the hole of fin
    (5) Fin length
        Four digit number 0001-4000 to indicate the fin length


Facility : Apodaca, Mexico


COMPONENTS:

Low Profile Walk-In Unit Cooler
  B(1)(2)(3)(4)-(5)(6)(7)(8)[1]
  L(1).(2)(3)(4).(5)(6)[2]
 
[1] B: Bergstrom
    (1) Room Temperature
        M - Medium Temperature
        L - Low Temperature
    (2) Defrost type
        A - Air Defrost
        H - Heater Defrost
    (3) Motor number
        One digit number 1-9
    (4) Fins per inch
        One digit number 1-9
    (5) Nominal capacity (BTU/h)/100
        Three digit number 001-999
    (6) Voltage Code
        A - 115V / 1Ph / 60Hz
        D - 208-230V / 1Ph / 60Hz
    (7) Fan Guard Material
        Blank - Metallic  (the motor is installed on the outside of the fan guards)
        2 - Non-Metallic (the motor is installed on the inside of the fan guards)
    (8) Refrigerant Type
        Blank – A1 Refrigerants
        Y - A2L Refrigerants
[2] (1) Fins per inch           	
        One digit number 1-9(Except for 6)    	
        Blank - 6 FPI	
    (2) Room Temperature           	
        M - Medium Temperature          	
        L - Low Temperature     	
    (3) Motor number                	
        One digit number 1-9  	
    (4) Nominal capacity (BTU/h)/1000           	
        Two digit number 01-99 	
    (5) Voltage Code           	
        A - 115V / 1Ph / 60Hz           	
        D - 208-230V / 1Ph / 60Hz    	
    (6) Refrigerant Type           	
        E – A1 Refrigerants           	
        B - A2L Refrigerants 	


Number of matching Manufacturers is 1
Number of matching Products is 3
Processing time was 0 seconds