Foam outdoor fire hydrant price model Fire hydrant manufacturer spot foam fire extinguishing equipment

Description :

　　Foam fire hydrant is one of the important devices in the foam fire extinguishing system, especially suitable for the production, storage and use of large areas of flammable liquids and flammable liquids with fire hazards. Foam fire hydrant is mainly composed of flange, cylinder, ball valve, internal connection, fire pipe thread and end cover.

　　Foam fire hydrants are suitable for petrochemical enterprises, refineries, oil storage tank farms, aircraft hangars and other important places.

　　The aboveground foam fire hydrants produced by Shandong Dongyue Crane Fire Fighting Equipment Manufacturing Co., Ltd. are divided into PS100-65X2 and PS150-65X2 models according to the flange interface. The rated working pressure of foam fire hydrant is within 1.6MPa.

　　Foam is a group of bubbles with small volume and surrounded by liquid on the surface, which only fights fires caused by flammable liquid and gas. The foam used in China includes chemical foam and air mechanical foam (air foam for short).

　　The main principle of foam fire extinguishing is that foam is lighter than flammable and combustible liquids, and it covers the liquid surface on fire to prevent liquid vapor from entering the combustion area, prevent air from contacting the burning surface, prevent heat from conduction to the liquid surface, and absorb certain heat, thus stopping combustion.

　　Chemical foam extinguishing agent

　　The chemical foam is light, has a certain foaming ratio, has strong fire resistance, good durability, can cover the liquid surface on fire, and has good coverage and cooling effects.

　　Ordinary foam extinguishing agent

　　Alkanes that have coverage, cooling and extinguishing functions, and can effectively extinguish flammable and combustible liquids, but are not suitable for extinguishing water-soluble liquids such as alcohols, ketones, ethers, and gaseous alkanes.

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• Foam outdoor fire hydrant