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Application scenario of fire extinguisher
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Fire Extinguishers Complete Guide
1.What are the Different Types of Fire Extinguishers?
Fire extinguishers like any other product exist in the market in different types.
Therefore, they exist in different types depending on the class of fire they are suitable to be used on.
They include:
i. Water
ii. Wet chemical
iii. Foam
iv. Carbon (IV) oxide
v. Powder
Types of fire extinguisher
2.What is Used in Fire Extinguisher?
Fire extinguishers often carry different chemicals and this will depend on the intended application of the fire extinguisher.
Some fire extinguishing equipment contain nitrogen or carbon (IV) oxide which is under pressure.
However, some fire extinguishers contain potassium bicarbonate or water.
Moreover, fluorocarbons can also be used in the fire extinguishers for instance bromofluorodichloromethane.
3.What is an ABC Fire Extinguisher?
An ABC fire extinguisher is that which can find its use in putting off class A, class B, and class C fires.
This is very economical in that it finds its use in three categories.
ABC Fire Extinguisher
It contains a dry powder known as mono ammonium phosphate powder.
It should be noted that Class A fires are those that result from burning paper or wood, class B fires are those from liquids and gases while class C fires are electrical fires.
4.Do Fire Extinguishers have Expiry Dates?
There are different components that make up an LED street light. In this subsection, we are going to look at each of these components.
This depends on the type of fire extinguisher you have. Dry chemical extinguishers have a service interval of 6 or 12 years, minimum. Pressurized water, carbon dioxide, and wet chemical extinguishers have a minimum service life of 5 years. After these respective time periods, to continue using a fire extinguisher, the National Fire Protection Association (NFPA) requires that the extinguisher be subjected to service or hydrostatic testing. Hydrostatic testing ensures the integrity of the shell. When an extinguisher passes the testing, it can be recharged.
Once recharged, a fire extinguisher can be used for another 5, 6 or 12 years (depending on the type), until the next required service or testing. There are some non-rechargeable fire extinguishers, which should be disposed of and replaced every 12 years.
5.When Should I Replace my Fire Extinguisher?
When it comes to replacing a fire extinguisher, maintenance plays a significant role. As you use the device, dust, rust, damage, and other issues may impede the extinguisher’s ability to work well.
This is why hydrostatic tests are important at regular intervals. The idea behind the test is to check the integrity of the shell. The operator only checks the shell because, in reality, the contents of a fire extinguisher never expire. While they don’t, the container could lose some of its pressure over time. The pressure drop might, in turn, make the extinguisher unusable.
Therefore, the first and most reliable way to tell if you should replace your extinguisher is by checking the pressure gauge, then by having a hydrostatic test done. Any extinguisher that fails the test is simply unfit for use. If your extinguisher passes the test, you can have it charged again for use. Depending on the type, your extinguisher can last another 5 to 12 years after refill before you need to test it again. The twist here is, you cannot charge fire extinguishers of all kinds. You are to discard some extinguishers after using them for 12 years or more.
Generally speaking, you should consider changing your extinguisher when you notice the following:
Your Pressure gauge is not in the operating range.
It has been dented, damaged, or has severe rusting.
Your extinguisher fails the hydrostatic test.
Check the body of the extinguisher for a service schedule tag. If the last service date is longer than a year, you need to call in a professional to examine the extinguisher.
The extinguisher has become obsolete. That is, its model and technology are no longer in use. Extinguishers in this category are no longer useful. According to the NFPA guidelines, the following are some extinguishers that fall in that category:
All extinguishers manufactured before 1955
All pressurized water extinguishers manufactured before 1971
All wet chemical extinguishers manufactured before 1976
All dry chemical extinguishers manufactured before 1984
6.How do you Recharge Fire Extinguisher?
It should be noted that fire extinguishers that are rechargeable should be recharged only when they are used up or when the pressure is lost in the course of time.
In order to recharge your fire extinguishing equipment, the following procedure is followed;
i. Buy a fire-extinguishing agent that may include water, foam, powder or carbon (IV) oxide depending on the type of your fire extinguisher.
ii. Then remove the head of the fire extinguisher and then place it where you cannot forget.
iii. Using a funnel, add the extinguishing agent carefully into the fire extinguisher taking care not to pour it.
iv. Ensure that you only fill the container to about ¾ full.
However, some containers are filled full and this should not be a limitation to the ones filled up to ¾.
v. Using a rubber seal, the head is then twisted back as tight as you can.
vi. Return the fire extinguisher to its place and ensure that it is placed where it is easily accessible in case of emergency.
7.What is Wet Chemical Fire Extinguisher Used For?
A wet chemical fire extinguisher is used to put off fires that result from cooking media, for instance, burning oil and fat.
In addition, wet chemical fire extinguisher has both class F and class A rating and thus can be applied in putting off fires that are found in those classes.
8.How do Fire Extinguishers Work?
Well, fire extinguishers often use a principle known as P.A.S.S.
This is an acronym and gives the basic procedure that can be followed to operate almost all the types of fire extinguishers.
Understand The PASS Method
You need to understand the PASS method of extinguishing a fire to Extinguish Fire.
PASS Step 1: Pull Out The Pin
Most of the extinguishers come with a pin on the top of the handle. You should locate it and pull it out first to make the equipment functional. Some of the extinguishers come with a latch instead of a pin. Check near the handle of the extinguisher to find out how you need to activate the equipment.
PASS Step 2: Aim The Hose
Now, aim the nozzle or hose of the extinguisher to the bottom of the fire. Do not am the nozzle of the extinguisher at the flame.
Pass Step 3: Squeeze the Handle
Press the handle of the fire extinguisher hard. This will make the first extinguisher working.
PASS Step 4: Sweep
Move the nozzle of the extinguisher from side to side to cover the whole base of the fire. Continue this step until the fire dies completely. These are the basics of handling a fire extinguisher. So, if you want to know How to use a Fire Extinguisher, start by learning about different types of fire in the first place.
This is done repeatedly until the fire is extinguished.
9.What is a Fire Extinguisher?
A fire extinguisher is an apparatus or an agent that can be used to extinguish the fire.
A fire extinguisher can be water, powder, wet chemical, or carbon (IV) oxide and all these find their uses in case of emergency.
10.What are the Five Classes of Fire?
Well, fire is categorized into different classes depending on what has caused it.
Classes of fire
i. Class A – this is fire results from various solid materials for instance wood or paper.
ii. Class B- this is fire results from liquids which are very flammable for instance petrol, diesel, or oils, and gases
iii. Class C- this is fire resulting from electrical equipments
iv. Class D- this is fire resulting from metals
v. Class F – this is fire resulting from coking agents such as cooking oil and fat.
11.Where Can You Use Dry Powder Type Fire Extinguisher?
Dry powder also is known as chemical fire extinguisher has multipurpose uses and can be used to put off class A, Class B, and Class C fires.
Dry powder fire extinguisher
However, when used in class C, fire resulting from electrical apparatus, a residue left may be harmful and sensitive to electrical gadgets.
12.Where Can You Use Water Type Fire Extinguishers?
water fire extinguisher
Water fire extinguishers are widely used in offices and homes, as they combine decent fire fighting performance with an environmentaly friendly extinguishant that leaves little residue and can be disposed of easily at the end of the product life. They fight Class A fires, such as wood, paper, cardboard, soft furnishing etc.
13.What is Foam Type Fire Extinguisher?
The extinguishing agent is mainly sodium bicarbonate or aluminum sulfate in this fire extinguisher.
This type of fire extinguisher is used fire from either class A (wood and paper) or class B fires (from flammable liquids).
This type of fire extinguisher has a cream label.
Foam type fire extinguisher
Foam type fire extinguisher
14.Why is Fire Extinguisher Important?
Fire extinguishers assist in fire prevention in the cases of fire outbreak.
However, they are often ignored but they can save the damages resulting from fire outbreaks.
It is therefore worth noting that a simple portable fire extinguisher can reduce the severity of fire if used appropriately.
15.Which Fire Extinguisher is suitable for Metal Fire?
A dry powder fire extinguisher is suitable to put off fire resulting from burning metals.
This fire extinguisher has the ability to smoother fire and absorbs head resulting from the burning metal thus extinguishing the fire.
16.What is Class C Fire Extinguisher?
Class C fire extinguisher is carbon (IV) oxide fire extinguisher and often used to put off fire resulting from electrical equipment.
They contain sodium bicarbonate and they have the ability to extinguish the fire because the discharge from the fire extinguisher is very cold.
17.What Does 2a10bc Fire Extinguisher Mean?
Fire extinguishers come with different ratings and this number 2a10bc is one of the ratings used in fire extinguishers.
” A” means that is can be used to put off the fire from solids such as wood and paper.
2 that is in front of A means that you can equally use 2 gallons of water.
“B” means that it can also be used to put off the fire from flammable liquids such as oil and petrol.
“10” implies that it can extinguish a fire that is 10 square feet deep in the flammable liquid only if a trained person is using the fire extinguisher.
On the other hand, C implies that it can as well be used to put off fire resulting from electrical apparatus.
18.How do You Maintain Fire Extinguisher?
Fire extinguisher like any other equipment needs to be checked regularly and at least once in a year.
Maintenance of the fire extinguisher may involve examining it, recharging or repair if necessary.
Proper maintenance of the fire extinguishers increases their lifespan and this should be adhered to.
19.What is a Type C Fire Extinguisher?
Type C fire extinguisher is that which have class C rating.
This implies that this fire extinguisher can be used for fires resulting from electrical equipment.
They are often carbon (V) oxide fire extinguishers containing sodium bicarbonate.
20.What is Type B1 Fire Extinguisher?
This fire extinguisher is mostly used in marine vessels such as boats.
Therefore, if a boat is less than 26 feet, it is recommended that you have type B1 fire extinguisher onboard.
As mentioned earlier, class B fires are those that result from flammable liquids such as petrol and oil.
21.What is Purple K Fire Extinguisher?
Purple K fire extinguisher is used to put off fire resulting from burning electrical equipment and flammable liquids such as petrol and oil.
This type of fire extinguisher contains dry powder (dry chemical) and this makes it effective for both class B and class C fires.
The fire suppression agent is potassium bicarbonate.
22.Which Fire Extinguisher Can Be Used On Any Fire?
The fire extinguisher that can be used to put off any type of fire is dry chemical (dry powder) fire extinguisher.
This fire extinguisher can be used in class A, class B, class C, and class D fires.
This makes the dry powder chemical fire extinguisher to find multipurpose uses and thus suitable in any fire.
23.What is a Black Fire Extinguisher Used For?
A black fire extinguisher is used to put off fire resulting from electrical equipment.
However, it can also be used in fire from flammable liquids such as petrol and oil and thus suitable for both class B and class C fires.
These fire extinguishers are mainly black in color or have black labels and they are carbon (IV) oxide fire extinguishers.
24.What is Yellow Powder in Fire Extinguisher?
The yellow powder in a fire extinguisher is mono ammonium phosphate.
This is dry powder and it finds its use to put off the fire that is resulting from class A, class B, and class C fires.
This yellow color differentiates mono ammonium phosphate from other dry chemical agents.
25.What is a DCP Fire Extinguisher?
This is dry chemical portable fire extinguisher which is suitable to put off class A, class B, and class C fires.
This makes the fire extinguisher being preferred because of its multipurpose nature.
26.Do Fire Extinguishers have to be Red?
No.
Fire extinguishers are usually red in color however; this is not the standard color.
Some fire extinguishers especially those used in class D fires are yellow in color.
Fire extinguisher color code
Moreover, even if the fire extinguisher is red, they usually have labels ranging from black, cream, blue or red depending on the type of the extinguishing agent that is inside.
27.How Do You Inspect Fire extinguisher?
It is important that you inspect the fire extinguisher and this will ensure that it is in a good state to work efficiently.
Therefore, during inspection, here are the important aspects you need to consider.
i. Confirm that a valid maintenance tag is in place.
ii. Ensure that the fire extinguisher is in clear place that is very visible and accessible.
iii. Check the tamper seal and ensure it holds the safety pin in place.
iv. Ensure that the plate holding the name is in place and it is facing outwards.
v. Confirm the weight of the fire extinguisher and the pressure gauge as well as checking of there is any physical damage on the fire extinguisher.
vi. Finally, sign and date the maintenance tag.
28.What is a Fire Rating for Fire Extinguisher?
Fire rating for fire extinguisher implies the size of the fire it is able to extinguish.
For instance, some fire extinguishers have a rating of 34B and the number shows the size of the fire it can extinguish.
Therefore, the larger this value is the larger the size of fire it can extinguish.
The fire extinguisher ratings are designated by alphabetical letters A, B, C, and D. These letters also gives the type of the class the fire extinguisher is likely to be used for.
For instance, class A fires extinguisher rating is used on fire resulting from solids such as wood and paper.
29.What is a Class K Fire Extinguisher?
Class K fire extinguisher is that which is used to put off the fire that results from various cooking media such as cooking oil and fat.
This fire extinguisher contains wet chemical as the extinguishing agent.
It has the ability to turn the cooking oil into soap.
This implies that it works under the principle of saponification.
30.What Color is Class D Fire Extinguisher?
A class D fire extinguisher is red in color with a blue label.
However, some class D fire extinguishers are yellow in color therefore, this should do not make them differ in their operation.
Whether yellow or red with a blue label, they both contain dry powder.
31.How does YunDa Fire Fighting Equipment Control Quality of Fire Extinguishers?
Quality is of our products is what makes us outstanding in the market.
Therefore, the fire extinguishers from us have various marks of quality such as CE, CCS, and CCC.
This implies that all our fire extinguishers are of high quality and meets the standards accepted globally.
32.YunDa Fire Fighting Equipment Supplies which Industries with Fire Extinguishers?
At YunDa Fire Fighting Equipment, a fire extinguisher can be supplied to various industries worldwide and we are not limited to the industries we supply with our fire extinguishers.
Therefore, any industry can order fire extinguisher from us.
33.Types of Fire Extinguishers does YunDa Fire Fighting Equipment Supply?
At YunDa Fire Fighting Equipment, we have various fire extinguishers and types.
The fire extinguishers supplied from us include:
i. Dry powder fire extinguishers
ii. Water fire extinguishers
iii. CO2 Fire Extinguishers
iv. Foam fire extinguishers