Purple K Fire extinguishers contain a dry chemical, known as Potassium Bicarbonate, which is effective in extinguishing Class B and Class C fires. Class B and C fires are common in gas stations, power plants, bars, auto repair shops, airports or aircraft service stations, industrial kitchens, warehouses, and any other area where electrical or flammable fires may occur.
Purple K Fire Extinguishers contain specially fluidized and siliconized potassium bicarbonate dry chemical which is particularly effective on Class B flammable liquids and pressurized gases. It is electrically non-conductive. Purple K Fire Extinguishers are rated for class B and class C fires. Class B: Flammable Liquids-Gasoline, oil, grease, acetone (includes flammable gases).
Purple-K – Wikipedia
Purple-K, also known as PKP, is a dry-chemical fire suppression agent used in some dry chemical fire extinguishers. It is the second most effective dry chemical in fighting class B (flammable liquid) fires after Monnex (potassium allophanate), and can be used against some energized electrical equipment fires (USA class C fires). It has about 4–5 times more effectiveness against class B fires than carbon dioxide, and more than twice that of sodium bicarbonate. Some fire extinguisher…
What is a Class K Fire Extinguisher? Fire extinguishers are classified depending on the type of fire that they will extinguish. A class K fire extinguisher is used to control fires involving cooking media such as oils, fats, and grease commonly found in cooking places such as commercial restaurants.These fire extinguishers work through saponification to extinguish …
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How effective is a Purple K fire extinguisher?
NOTE: While the name would tend to imply, Purple K fire extinguishers are not effective in extinguishing Class K fires. Class B fires consist of the burning of flammable liquids or gasses such as petroleum greases, oil-based paints, tars, alcohol, and some solvents.
What is a Class K fire extinguisher made of?
Currently, the only effective extinguishers rated as Class K are the Wet Chemical Fire extinguishers that meet regulatory and industry standards. The extinguishers leverage wet mist with alkaline mixtures in the form of potassium citrate, potassium acetate, or potassium carbonate.
How do you remove purple K from spent fire suppression agents?
If the spent agent is dry it can be removed by suction, but when combined with water, hydrocarbons and other liquids, it forms a thick crusty scum that can be challenging to remove. Purple-K should never be mixed with phosphate -based fire suppression agents ( ABC dry chemical ), as the resulting chemical reaction will destroy its efficiency.
What type of fire extinguisher is best for electrical fires?
For electrical fires that involve sensitive electrical equipment it is best to use “Clean Agent Fire Extinguishers”, such as Halotron fire extinguishers. NOTE: While the name would tend to imply, Purple K fire extinguishers are not effective in extinguishing Class K fires.
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How To Use A Purple K Fire Extinguisher Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher