Fire Extinguishers

A dry powder fire extinguisher set is designed to combat a variety of fire types using a dry powder agent. These extinguishers are versatile and effective for different fire classes, making them suitable for both commercial and residential environments. Here’s a detailed overview of a typical dry powder fire extinguisher set:

Key Features:

1. Fire Classes:

   • Class A: Fires involving ordinary combustibles such as wood, paper, and cloth.
   • Class B: Fires involving flammable liquids and gases like gasoline, oil, and grease.
   • Class C: Fires involving electrical equipment.
   • Class D: Fires involving combustible metals like magnesium, titanium, and sodium. (Note: Not all dry powder extinguishers are suitable for Class D fires; specific extinguishers are required.)

2. Powder Agent:

   • Agent Types: Commonly used agents include sodium bicarbonate, potassium bicarbonate, or monoammonium phosphate. The choice of agent depends on the type of fire and the extinguisher’s intended application.
   • Mechanism: The dry powder works by interrupting the chemical reaction of the fire, smothering the flames, and preventing re-ignition.

3. Extinguisher Sizes:

   • Variety of Sizes: Available in different sizes, typically ranging from 1 kg to 9 kg or more, depending on the intended use and fire risk assessment.