About the knowledge of the fire pump in the fire sprinkler

The fire sprinkler is a multi-function sprinkler that is based on a sprinkler and is equipped with a fire extinguisher (fire pump, fire monitor, sandwich power take-off, etc.) for fire trucks. It can be used as a water tanker in an emergency. .
Fire sprinklers are superior to ordinary sprinklers in range and flow. The general sprinkler has a range of about 25-30 meters and the pump flow rate is 40m3/h. The fire sprinkler equipped with a fire pump has a range of about 45-50 meters and the fire pump flow rate can reach 100m3/h.
Do not underestimate the fact that fire sprinklers, which are more than a dozen meters in range, can be put to great use during fire fighting. When a general fire is fierce, people stand ten meters away and can feel the hot flame power. This distance of more than ten meters not only makes the fire extinguishing more efficient, but also ensures the personal safety of the firefighters.
The following are knowledge points about the fire pump:
The role of the low-pressure fire pump is that in some narrow places, when the fire truck or fire sprinkler cannot approach the fire, the fire hose can be connected from the fire interface of the car and the fire hose can be used to fire the fire at a long distance.
Because the pressure of the atmospheric pump will gradually decrease after more than 50 meters, the medium and low pressure fire pump will not be affected by the distance, and the outlet pressure will continue without affecting the long range water and fire extinguishing effect.

Color Steel Sheet

Color steel sheet coating is a product made of cold-rolled steel plate and galvanized steel sheet, after surface chemical treatment, coating (roll coating) or composite organic film (PVC film, etc.), and then baking and curing. Some people call this product "pre-painted color steel sheet" and "plastic color steel plate". Color coated steel sheet is an organic coating applied to the surface of steel, which not only has the properties of high mechanical strength and easy forming of steel material, but also has the beautiful appearance, colorful color, high strength and good corrosion resistance of the coating material. , Convenient processing and forming, etc., and can also enable users to reduce costs and reduce pollution.
Since the establishment of the first continuous coated steel sheet line in the United States in 1935, color-coated steel sheets have been widely used. There are many types of color-coated steel sheets, about more than 600 kinds, which can be easily processed by stamping, bending, deep drawing and other processing. This makes products made of organic coated steel plates have excellent practicability, decoration, processability and durability.

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