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DJ (diesel pump + jockey pump) Fire Pump Set

DJ Fire Pump Set The fire pump set consists of a pump connected to the diesel engine, pressure jockey pump, pressure vessel, controller for manual or automatic operation of the system and standard accessories mounted on the base. The fire pump system can be customized for different uses, such as high-rise buildings, facilities, hospitals, supermarkets, shopping malls, villas, apartments, etc.

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The main pump can be an end suction pump, a split pump, a multi-stage pump, and the standard configuration is stainless steel, cast iron and bronze.
Automatic diesel pump unit: diesel water pump, stabilizer pump, steel structure base, (water heater), battery, connecting line, gate valve, check valve, flexible joint, automatic control panel.
When the pressure drops below the set point, the jockey starts running according to the signal from the pressure switch and continues to run for 10 minutes until the system pressure reaches the set point.
The Fire Pump Control Panel is the brain of the pump system, designed to control and monitor the operation of the diesel engine and the racehorse pump drive, and compose the pump for manual and automatic modes, as well as switch the pump drive on/off under specific conditions. Fire Pump Series Controllers are delivered pre-wired, tested and ready for immediate use.
This fire pump set can be used in fire hose and fire hose reel systems, fire sprinkler systems, fire water monitoring systems, fire alarm systems and fire hydrant systems.

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    More Fire Pump Set

    First, what’s a water pump? It’s a device used to transport liquid, pressurize the liquid, and make the liquid from the first liquid position to the high liquid position. The first water pump constructed by the Chinese is called” water windmill”. latterly, around 300 BC, the emergence of the” Archimedes screw pump” is more analogous to ultramodern pumps. In addition, the following introductory knowledge points are what you must understand.
    1. Centrifugal pump

    Centrifugal pump is the most common type of pump. In simple terms, the working principle of centrifugal pump is to rotate the impeller to drive the liquid under the action of centrifugal force. The liquid leaves the impeller and enters the volute. As the inflow passage of the volute gradationally expands, the fluid haste slows down, and the pressure rises continuously, and eventually it’s discharged through the conduit.
    2. Impeller
    The impeller is one of the main factors in the water pump, and it’s the core element that transmits mechanical energy to the liquid. The impeller is substantially divided into three types open type,semi-open type and closed type. The material conditions for the impeller are high, wear resistance is needed, and the manufacturing process is good.

    3. Cavitation

    Cavitation is the conformation of numerous bitsy recesses when the liquid connections the liquid under high- speed inflow and pressure, and gradationally expands into grottoes when serious, and cavitation frequently occurs in the impeller and pump covering.