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// DEFINITION

Dry-Chemical Extinguishing System

   A fire extinguishing system designed to discharge a powder composed of small particles, usually of sodium bicarbonate, potassium bicarbonate, urea-potassium-based bicarbonate, potassium chloride or monoammonium phosphate, with added particulate material supplemented by special treatment to provide resistance to packing, resistance to moisture absorption (caking) and the proper flow capabilities.
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Related Code Sections

904.6 Fire Protection Systems, Dry-Chemical Systems
Dry-chemical extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with the New York City Fire Code ...
904.6 Fire Protection Systems, Dry-Chemical Systems
Dry-chemical extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with the New York City Fire Code ...
904.6 Fire Protection Systems, Dry-Chemical Systems
Dry-chemical extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with the New York City Fire Code ...