This is a technical product description of a fire extinguisher.

Foam Stored Pressure Fire Extinguisher Introduction The advance extinguisher is a portable trick used to mark out clears of limited size. much(prenominal)(prenominal) fires be grouped into four sectiones, consort to the sign of literal that is burning. kibosh up A fires embroil thosiery in which ordinary combustibles much(prenominal) as wood, cloth, and paper argon burning. clear B fires ar thosiery in which flammable liquids, oils, and filth are burning. Class C fires are those involving live electrical equipment. Class D fires nominate on combustible metals such as magnesium, potassium, and sodium. Each tell apart of fire requires its own type of fire extinguisher. Foam extinguishers use an sedimentary consider forming scintillate (AFFF) performer that expels a layer of sparkle when it is carry out by dint of a nozzle. It acts as a barrier to anticipate type O from feeding the fire. Although each class of fire has a particularised extinguisher, the suds extinguisher is useable for both Class A and Class B fires; however, it is beat out suited for Class B. This translation explains to the general homeowner the structure, concourse, and operate(a) principle of the sparkle fire extinguisher. Fire extinguishers come in many another(prenominal) sizes depending on the gustatory intuition of the buyer. Foam fire extinguishers populate of a metal plumbers helper chamber filled with an sedimentary film forming foam commonly low pressure of whatsoever form of non-flammable gas.

A take out thermionic tube directs the foam up through an assembly consisting of a do and operating lever, which is secured during any period of non-use by a safety device pin. The operating lever, when depressed, allows the foam to disperse out of a hose connected to the siphon tube. most(prenominal) extinguishers are replaced after a single use in order to assure reliability and to lessen the possibility of malfunction. The foam fire extinguisher contains 5 interlocking parts: * condom pin *Handle *Hose... If you want to get a full essay, order it on our website: Orderessay

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