What can Class K fire extinguisher be used for?
NFPA revised this standard in 1998, specifying that “Fire extinguishers provided for the protection of cooking appliances that use combustible cooking media (vegetable or animal oils and fats) shall be listed and labeled for Class K fires.”
Can Class K extinguisher be used on any fire?
A Class K fire extinguisher can be used to extinguish fires that are fueled by flammable liquids unique to cooking, like cooking oils and greases. NOTE: It is important to discharge the hood suppression system prior to using the Class K fire extinguisher.
Do you need Class K fire extinguisher?
Every commercial kitchen should have a Class K extinguisher to supplement the suppression system. The use of a multi-purpose ABC extinguisher may prove ineffective to extinguish a kitchen fire and can also result in damage to cooking equipment.
What is class K in fire?
Class K fires involve vegetable oils, animal oils, or fats in cooking appliances. Extinguishers with a K rating are designed to extinguish fires involving vegetable oils, animal oils, or fats utilized in commercial cooking appliances.
Where is a Class K fire extinguisher required?
commercial kitchens
Class K fires are most likely to start in commercial kitchens, including restaurants but also office cafeterias, food trucks, bakeries, and other food businesses. These businesses should be equipped with Class K fire extinguishers as part of a complete fire protection plan.
Where are Class K fire used?
Class K fires are fires with substances such as the animal and vegetable fats present in commercial cooking oils and greases. These types of fires can only be effectively quenched with a Class K fire extinguisher.
What are Class ABCD and K fire extinguishers used for?
A Class C fire extinguisher is used on fires that involve live electrical equipment, which require the use of electrically nonconductive extinguishing agents. (Once the electrical equipment is de-energized, extinguishers for Class A or B fires may be used.)…The ABCs, Ds, and Ks of Fire Extinguishers.
| Fire Class | Travel Distance |
|---|---|
| Class D | 75 feet |
Where should a Class K fire extinguisher be placed?
Unlike the other classes of fire extinguishers, there is no distance requirement for Class K extinguishers. According to the OSHA requirements, the extinguisher to be located at the point of anticipated cooking for ignition.
What color is a Class K fire extinguisher?
Class K fire extinguishers are for fires that involve cooking oils, trans-fats, or fats in cooking appliances and are typically found in restaurant and cafeteria kitchens. The geometric symbol indicating Class K is a black hexagon.
When fighting a class K fire you should first try to?
Regardless of the size of the fire, immediately activate any alarm systems to notify the building occupants to evacuate. Immediately call 911 from a safe location to notify the nearest fire department to initiate their response. The safety of employees and guests should always take precedence over fighting a fire.
What is inside a class K fire extinguisher?
A Class K fire extinguisher uses a fine wet mist consisting of an alkaline mixture, such as potassium acetate, potassium carbonate, or potassium citrate that forms a soapy foam as it is applied to the cooking oil or other substance, quenching the steam, vapors, and the fire’s risk of re-ignition.
What is a Purple K fire extinguisher?
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.
How many feet apart should fire extinguishers be?
75 feet
Size and layout of the room: a basic NFPA rule is that there should be no more than 75 feet between fire extinguishers and that they should be accessible.
Which extinguisher is used for metal fire?
Class D fire extinguisher
Thus, it is imperative that only a Class D fire extinguisher is used to extinguisher a combustible metal fire. The best way to extinguish these fires is by smothering them & eliminating the oxygen element. The agent also helps to absorb the heat from the fuel.
Can Purple K be used on Class A fires?
Purple K Extinguishers The purple K fire extinguishers use a dry chemical component to combat class B and C fires. Although the name suggests the use of potassium or that it combats class K fires, it is actually not effective against those fires.
Why is it called Purple K?
Purple-K was developed by the United States Naval Research Laboratory in 1959, as an improvement over sodium bicarbonate for extinguishing oil and gasoline fires. It was named due to the characteristic lavender tint imparted to flames, owing to the potassium (chemical symbol “K”) content.
What size fire extinguisher does OSHA require?
3,000 square feet
A fire extinguisher, rated not less than 2A, shall be provided for each 3,000 square feet of the protected building area, or major fraction thereof. Travel distance from any point of the protected area to the nearest fire extinguisher shall not exceed 100 feet.
How do you calculate the number of fire extinguishers?
The fire rating is found by multiplying the floor area in metres squared (m²) by 0.065. Therefore for a floor area of 200m² the fire rating is 200 x 0.065 = 13A. A 9 litre water extinguisher has a fire rating of 13A, therefore one 9 litre water extinguisher will be required for every 200m² of floor area.