Company's Profile Documents & Mission

It is our pleasure to introduce ourselves as one of the suppliers of ISI marked Fire Extinguishers as per the choice of the customer serving over a period of 4 years in this field with good customer satisfaction.

We also do system job such as Hydrant System, Fire Detection & Protection system and over all maintenance of these systems in different offices and Residential Building premises.

We have our company registration including registration of Firms, VAT, and Service Tax.

We are pleased to inform that we regularly supply ISI marked Fire Extinguishers to different Government Hospitals, Engineering Colleges, West Bengal State Electricity Distribution Company Ltd., Contai Co-operative Bank Ltd., Regent Group, Rose Valley- Tarapith, Dolphin Group & different Govt. Sponsored Schools & Colleges.

We therefore look forward to your valued orders/inquiries to be treated with our best efforts to give your best satisfaction with guaranteed workmanship against any manufacturing defects.

Thanking you,

Yours faithfully,

For BENGAL FIRE PREVENTION

Koustav Kanti Bagchi-(partner)

Debasis  Bhatacharya - (partner)

033-65010150

9230504094/9051619959/9874301052

e-mail :  bengalfireprevention@gmail.com

Hydrant System

A fire hydrant is an active fire protection measure, and a source of water provided in most urban, suburban and rural areas with municipal water service to enable firefighters to tap into the municipal water supply to assist in extinguishing a fire. Buildings near a hydrant may qualify for an insurance discount since firefighters should be able to more rapidly extinguish a fire on the insured property.
The concept of fire plugs dates to at least the 17th century. This was a time when firefighters responding to a call would dig down to the wooden water mains and hastily bore a hole to secure water to fight fires. The water would fill the hole creating a temporary well, and be transported from the well to the fire by bucket brigades or, later, by hand-pumped fire engines. The holes were then plugged with stoppers, normally redwood, which over time came to be known as fire plugs. The location of the plug would often be recorded or marked so that it could be reused in future fires. This is the source of the colloquial term fire plug still used for fire hydrants today. After the Great Fire of London in 1666, the city installed water mains with holes drilled at intervals, equipped with risers, allowing an access point to the wooden fire plugs from street level....
The invention of a post- or pillar-type fire hydrant is generally credited to Frederick Graff Sr., Chief Engineer of the Philadelphia Water Works around the year 1801. It had a combination hose/faucet outlet and was of "wet barrel" design with the valve in the top. It is said that Graff held the first patent for a fire hydrant, but this cannot be verified because the patent office in Washington D.C. caught on fire in 1836 destroying many patent records from that period in the process.....

Fire Extinguisher

 

A fire retardant is a substance that reduces flame of fuels or delays their combustion. This includes chemical agents, but may also include substances that work by physical action, such as cooling the fuels, such as  fire-fighting foams and fire-retardant gels. Fire retardants may also be coatings applied to an object,such as a spray retardant to prevent Christmas trees from burning.Fire retardants are commonly used in fire fighting.

Physical action

There are several ways in which the combustion process can be retarded by physical action:

• By cooling Some chemical reactions actually cool the material down.
• By forming a protective layer that prevents the underlying material from igniting.
• By dilution: Some retardants release water and carbon dioxide while burning. This may dilute the radicals in the flame enough for it to go out.

Commonly used fire retardant additives include mixtures of huntite and  hydromagnesite, aluminium hydroxide, magnesium hydroxide. When heated, aluminium hydroxide dehydrates to form aluminum oxide (alumina, Al₂O₃), releasing water vapor in the process. This reaction absorbs a great deal of heat, cooling the material into which it is incorporated. Additionally, the residue of alumina forms a protective layer on the material's surface. Mixtures of huntite and hydromagnesite work in a similar manner. They endothermically decompose releasing both water and carbon dioxide  giving fire retardant properties  to the materials in which they are incorporated.....

Fire extinguishers

Class A foam is used as a fire retardant in 2.5 gallon [APW] and [CAFS] extinguishers to contain incipient brush fires and grass fires by creating a fire break. Others chemical retardants are capable of rendering class A material and Class B fuels non-flammable and extinguishing class A, class B, and some class D fires.Fire retardant slurries dropped from aircraft are normally applied ahead of a wildfire to prevent ignition, while fire suppression agents are used to extinguish fires.....

Chemical action

• Reactions in the gas phase: chemical reactions in the flame (i.e. gas phase) can be interrupted by fire retardants. Generally, these retardants are organic halides (haloalkanes) such as Halon and... PhostrEx. However, there are situations where the released gas might be more dangerous when this type of retardant is involved.

• Reaction in the solid phase: some retardants break down   polymers so they melt and flow away from the flame. Although this allows some materials to pass certain flammability tests, it is not known whether fire safety is truly improved by the production of flammable plastic droplets.

• Char Formation: For carbon-based fuels, solid phase flame retardants cause a layer of carbonaceous char to form on the fuel surface. This char layer is much harder to burn and prevents further burning.

Intumescents  : These types of retardant materials add chemicals which cause swelling up behind the protective char layer, providing much better insulation behind the protective barrier. In additions to being added to plastics, these are available as paints for protecting wooden buildings or steel structures. ...