Understanding DCP Powder Fire Extinguishers

July 16, 2020

Understanding DCP Powder Fire Extinguishers

Fire safety is paramount in protecting lives and property, and one of the most effective tools in fire prevention and control is the Dry Chemical Powder (DCP) fire extinguisher, a DCP fire extinguisher in full form. Also known as ABC, ABE, or BE fire extinguishers, they are celebrated for their versatility and ability to combat various types of fires. This comprehensive guide will delve into the world of DCP powder fire extinguishers, exploring what they are, how they work, their applications, and more.

What Is DCP Powder?

DCP powder, short for Dry Chemical Powder, is the critical component of DCP fire extinguishers. Typically, it consists of a mixture of Ammonium Sulphate and mono Ammonium Phosphate. You can quickly identify a DCP fire extinguisher by the white band that encircles its tank.

What Is a DCP Fire Extinguisher?

A Versatile Solution

DCP fire extinguishers are renowned for their versatility. They can handle fire-related hazards, making them one of the most commonly used types globally. The primary types are ABE and BE, designed to combat Class A, B, and E fires or Class B and E fires, respectively.

ABE Type

  • Class A Fires: Combustibles like wood, fabrics, paper, etc.
  • Class B Fires: Flammable liquids like oil, diesel, and petrol.
  • Class E Fires: Electrical fires involving switchboards, computers, and electronics.

BE Type

  • Class B Fires: Flammable liquid fires.
  • Class E Fires: Electrical fires.
  • Class F Fires: Cooking oil fires.

Difference Between ABC and DCP Fire Extinguishers

ABC fire extinguishers are effective against Class A, B, and C fires, while DCP extinguishers use dry chemical powder, essentially making them a type of ABC extinguisher. Now, we will be reviewing working principles.

DCP Fire Extinguisher Working Principle

All fire extinguishers, including DCP extinguishers, disrupt one or more elements of the fire triangle: oxygen, heat, and fuel. In the case of ABE DCP extinguishers, mono Ammonium Phosphate is the dry powder used. When heated, it can melt and flow, effectively coating and suppressing Class A and E fires. For Class B fires, the dry powder suppresses the fire surface and prevents vapor (fuel) from escaping, swiftly extinguishing the flames.

Advantages of DCP Fire Extinguishers

DCP fire extinguishers offer numerous advantages:

  • Versatility: Effective against various fire types and classes.
  • Power: Swift and effective fire suppression.
  • Compactness: Available in compact sizes.
  • Cost-Effective: High functionality-to-price ratio.
  • Coverage: Suitable for large areas.
  • Variety: Available in various sizes, ratings, and shapes.
  • Safety: Safe for use on electrical fires.

How to Use a DCP Fire Extinguisher?

DCP fire extinguisher use is straightforward and follows the PASS principle:

  • Pull the pin from the handle.
  • Aim the nozzle at the fire.
  • Squeeze the lever gradually.
  • Sweep the nozzle sideways to extinguish the fire.

Final Thoughts

Remember to turn off the power source before aiming the extinguisher nozzle at the fire in an electrical fire. Direct the nozzle at any openings for enclosed equipment to penetrate the interior. After successfully extinguishing the fire, turn off the dry powder supply and allow the area to clear. If any flames remain, discharge the supply again to ensure complete extinguishment.

To order your Mobiak or any other type of DCP Fire Extinguisher online in Pakistan, please contact Capital Solutions at 051- 4446640 or visit our website.

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