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Protect Assets with Alternatives to Dry Chemical Extinguishers

Here are some options for situations where extinguishant such as dry chemical cannot be used because of potential contamination by the residue if the extinguisher was discharged. There is a growing selection of fire extinguishers that can be used to protect high-value assets in specialty facilities such as museums or clean rooms, or on electronic equipment in telecommunications.  Although not always required by building or fire code, these are often preferred to other fire-extinguishing agents such as dry chemicals.

 

 

Clean Agent: Extinguishes fires by interrupting the chemical reaction of the fire triangle with the use of Halogen chemical.  There are several variations including Halotron 1®  and DuPont FE-36®, both of which leave no residue, are non-corrosive, and electrically non-conductive.  Rated for Class B and C fires, with models over 10 lbs. also rated for Class A fires.

■    Computer/Telecommunications/Data Storage
■    Museums/Record Storage/Libraries
■    Electronics/Research Facilities/Clean Room
■    Laboratories/Medical except MRI
■    Offices/Classrooms/Churches/Retail
■    Manufacturing Plants/Warehouses
■    Military Electronics
■    Vehicles/Boats/Aircraft/Aircraft Servicing
■    Painting, Dipping and Coating Process Facilities

 

 

Water Mist—Non-Magnetic: Extinguish fires by spraying a non-toxic water mist that removes the heat element of the fire.  For use on Class A and C fires. Water mist extinguishers isolate the user from electrical shock because the water is expelled in microdroplets, making it ideal for use on energized electrical equipment. Constructed of non-magnetic components for use in medical and MRI facilities tested to 3 or 11.7 Tesla or less. Electrically non-conductive.

■    Pool Chemical Storage
■    Hospitals/Clean Room
■    Telecommunications/Offices
■    Vehicle/Aircraft/Marine Service Centers
■    Offices/Classrooms/Churches
■    Light Manufacturing/Research Facilities
■    Painting, Dipping and Coating Process Facilities
■    Tested and Approved for Use in MRI Facilities
■    Sanitary White Paint Finish

 

 

 

Carbon Dioxide: Smothers fires with CO2, eliminating the oxygen supply, and removes the heat from the fire as CO2 converts from a liquid to a vapor. CO2 extinguishant does not leave a residue which makes it effective for use on sensitive electronic equipment. For use on Class B and C  fires. Non-magnetic option is available for medical and MRI facilities. Electrically non-conductive.

■    Electronics/Research Facilities/Clean Room
■    Vehicle/Aircraft/Marine Service Centers
■    Parking Garage/Hotel Guest Area/Retail
■    Light Manufacturing
■    Painting, Dipping and Coating Process Facilities

 

 

 

 

 

Carbon Dioxide—Non Magnetic: Same properties as Carbon Dioxide above.  Tested to 11.7 Tesla or less.

■    Tested and Approved for Use in MRI Facilities
■    Sanitary White Paint Finish
■    Non-magnetic Wall Bracket

 

 

 

 

 

Clean Agent*

Water Mist

Carbon Dioxide

Carbon Dioxide
Non-Magnetic

Computer Data Storage

B:C

     

Telecommunications

B:C

A:C

B:C  

Electronics

B:C A:C B:C  

Research Facility

B:C A:C B:C  

MRI

  A:C   B:C

Medical (Not MRI)/Laboratory

B:C A:C B:C  

Pool/Chemical Storage

  A:C    

Clean Room

B:C

A:C B:C  

Vehicle/Aircraft Marine Service

B:C

A:C B:C  

Parking Garage

B:C A:C B:C  

Hotel Guest Area/Retail

B:C A:C B:C  

Museum/Record Storage/Library

B:C A:C    

Offices/Classrooms/Churches

B:C A:C B:C  

Manufacturing Plant/Warehouse

B:C A:C B:C  

Military Electronics

B:C A:C B:C  

Painting, Dipping, Coating Facility

  A:C B:C  
 

Operating Temperature

-65 to 140°F

40 to 120°F

-22 to 120°F

-22 to 120°F

Extinguishant

Halotron® I

DuPOnt FE-6

De-ionized water

Carbon Dioxide

Carbon Dioxide

Wheeled

Yes

No

Yes Yes
 

* Extinguishers greater
than 10 lbs also have an 1 A:10 or 2 A:10 listing

   

 

 

 

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Disclaimer: The information provided here is for informational purposes only. It is believed to be reliable, but Activar Construction Products Group, Inc. assumes no responsibility or liability for any errors or omissions in the content of this article. It does not constitute professional advice. The user of this article or the product(s) is responsible for verifying the information's accuracy from all available sources, including the product manufacturer. The authority having jurisdiction should be contacted for code interpretations. 

 

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