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Multistage fire pump with compact structure

There are many types of fire-fighting equipment. Fire hydrants and fire extinguishers are the most common types. The other is the fire pump, which is the heart of the fire-fighting system and plays an important role in pressurizing and supplying water to the fire-fighting system. Among the numerous fire pump products, fire pumps can be divided into multi-stage and single-stage fire pumps.

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The multistage pump has high efficiency, corrosion resistance, reliable operation and other performances. The pump body has strong bearing capacity, strong anti-overload ability, and relatively sensitive start-up. The multi-stage pump has the characteristics of compact structure, small spacing between parts and small volume. The operation of the equipment is stable, the service life is long, and the vibration generated during operation is small, so the practical life of the equipment is relatively long.

With its unique structure, the direction of the water inlet and outlet can be adjusted according to different needs, so it is suitable for various places and environments. Moreover, the direction of the water inlet and outlet is horizontal, and the bending of the pipeline is reduced in the connection of the pipeline, thereby simplifying the connection of the pipeline and greatly enhancing the efficiency of the fire protection system.

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    Generally speaking, we recommend that where natural ventilation is used to install diesel engine fire pumps, there must be vents and exhaust ports of sufficient size, and the position of the vents ensures that there is enough fresh air to supply the diesel engine for combustion within the temperature limit. Of course, the water supply radiator can also be used to take away the heat of the circulating cooling water and the heat emitted from the surface of the unit. If the space cannot meet the requirements of natural ventilation and cannot effectively dissipate heat, it is recommended that you adopt forced ventilation, install an intake fan and an exhaust fan at the vent, and choose a location that can provide enough cold air for the diesel engine and take away the machine room hot air inside. Generally speaking, the air intake of the unit should be 6-7 times that of the diesel engine. Only in this way can normal ventilation be ensured and the operating efficiency of the equipment can be improved.

    In addition, it must be fixed firmly so that the entire unit can be supported to ensure that the unit is in a horizontal state and absorb vibration. Generally speaking, the foundation of the unit adopts a concrete structure. The length and width are 150-250mm on one side of the length and width of the unit chassis, and the depth is 300-600mm. The height of the anchor bolts should be about twice the bolt diameter. And there should be a 750mm channel on both sides and front of the unit to facilitate the operator’s inspection and general maintenance.