Changsha Zoomlian Pump Co., Ltd. 长沙中联泵业股份有限公司

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    Diesel fire pump type XBC
    Diesel fire pump type XBC
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    • Diesel fire pump type XBC
    • Diesel fire pump type XBC

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    Fire pump

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    Pump

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    Diesel fire pump type XBC

    Flow: 30-1098m³/h

    Lifting height: 30-185m

    Power: 7.7-520kw

    Rotation speed: 1450-2900r/min

    Shaft power: 5.6-383kw

    Price: 1.88-998,000

     

    The XBC type diesel fire pump is a new product independently developed and manufactured according to market demand and the usage characteristics of fire protection pumps in national buildings. This product series features high efficiency, long service life, high reliability (no jamming failures when starting after a long period of inactivity), and is currently the preferred product for fire protection in construction projects and sprinkler systems in the country. The product's performance meets the requirements and test methods of the GB6245-2006 "Fire Pump" standard. This product can transport fluids at temperatures below 80℃

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    Product Description Product Specifications Why Choose Us? FAQ

    Product Description

    The diesel fire water pump set type XBC is a new product developed and manufactured according to the requirements of the GB6245-2006 standard "Fire Pumps" and the usage characteristics and market demand for fire pumps in buildings in the country. This series of fire pumps features high efficiency, long service life, high reliability (no locking failures when starting after a long period of inactivity), and is currently the preferred product in the country for adaptation to fire protection in construction projects and sprinkler systems. The product's performance meets the requirements and test methods of the GB6245-2006 standard "Fire Pumps." This product can be used to transport clean water without solid particles at temperatures below 80°C or liquids with physical and chemical properties similar to water. While meeting fire-fighting working conditions, it also satisfies the water supply needs for domestic and industrial use. The product can be used in both independent fire water supply systems and combined systems for fire and domestic use, as well as applications in construction, municipal, industrial and mining sectors, water supply and drainage, vessels, and open field operations. The advantage lies in that, after a sudden power outage, the electric fire pump cannot start, whereas the diesel fire pump automatically starts to provide emergency water supply.

    Diesel Fire Water Pump Type XBC

    The diesel fire pump set type XBC mainly consists of a diesel engine, fire pump, connecting device, fuel tank, radiator, battery set, and fully automatic intelligent control panel. As a fixed fire extinguishing equipment, it has been widely applied in fire water distribution, especially in unexpected situations where there is no power supply or it is unstable (power grid). The installed water pump set is a horizontal type, double suction, single-stage centrifugal pump, manufactured by our company as a special horizontal pump of one or multiple stages for fire protection, featuring high efficiency, wide performance range, safe and stable operation, low noise level, long service life, and easy installation and maintenance. The installed diesel engines are models from the 495, 4135, X6135, 12V135 series, produced by key companies in the national internal combustion engine industry, and can be configured according to user needs to operate as the main engine. They are mainly used to transport clean water or other liquids with physical and chemical properties similar to water. They can also be adapted to transport hot water, oils, corrosive or abrasive media by changing the materials of the fluid passage parts, sealing type, and adding cooling systems.

    The new generation of products, the diesel fire water pump set type XBC, also uses an LCD screen, which compared to traditional monitoring by instruments, allows remote supervision, facilitating the modification of the equipment's operating parameters, significantly increasing work efficiency and reducing staff workload. Its complete performance and advanced design make the equipment far superior to other similar products.

    Product parameters

    Main features of the diesel engine fire pump set type XBC:

    1. The electric pump is the main fire pump, it can start automatically according to the fire situation;

    2. Equipped with a constant pressure pump to maintain network pressure;

    3. The diesel engine pump is the backup fire pump, it starts automatically in case of power failure for fires;

    4. When the electric pump fails, the diesel engine pump starts.

    5. Automatic start: the diesel engine pump set can start automatically and run at full load within 15 seconds after receiving fire alarm/network pressure/power outage or other start signals;

    6. Automatic charging: the battery can be charged automatically with the power grid or with the diesel engine's charging motor, ensuring the successful start of the set;

    7. Automatic alarm: automatic protection and alarm for low oil pressure, high water temperature, and other diesel engine faults; alarm and shutdown in case of overspeed;

    8. Automatic preheating: keeps the diesel engine in a hot standby state to ensure emergency operation;

    9. Direct connection: diesel engine pump sets up to 360 kW use domestic direct connection technology through elastic coupling between motor and pump, reducing failure points, shortening start time, and increasing reliability and responsiveness of the set;

    10. The user can also request other alarm outputs (non-standard supply);

    11. Telemetry, remote control, and remote detection functions (non-standard supply).

     

    Usage conditions and meaning of the model of the diesel engine fire pump set type XBC:

    1) Ambient temperature ≤ 50℃, medium temperature ≤ 80℃,

    2) Medium density not exceeding 1240 kg/m3.

    3) The liquid level must be above the pump inlet, dry running is prohibited.

     

    Meaning of the model of the diesel engine fire pump set XBC

     

    Operating principle of the diesel engine fire pump set type XBC:

    The diesel engine fire pump set type XBC has the inlet and outlet on the pump body; for maintenance, only the pump cover needs to be removed, the rotor parts can be moved for maintenance without disassembling the pipes. Very convenient, the diesel engine can be on the left or right end as needed, facilitating on-site installation. The structure shortens the axial dimension of the rotor parts, the shaft has good rigidity, operating more stably and reliably. It has a sealing ring on the pump body, and the impeller sealing ring is optional.

    The diesel engine fire pump XBC is installed together with electrical instruments and other equipment in a complete set, with full functions, high automation level, compact structure, automatic fault alarm and start signal reception, completing the start process automatically and able to run quickly at full load. The set can optionally be equipped with dampers, flexible rubber joints, and corrugated hose silencers at the exhaust outlet. It has alarm devices for insufficient fuel, low battery voltage, high lubricating oil temperature, overspeed, ensuring start in cold environments. The whole system is safe, reliable, and easy to use.

    The diesel engine fire pump set type XBC mainly consists of pump body (1), pump cover (2), impeller (3), shaft (4), sealing ring (5), shaft sleeve (8), and suspension bearing components (12).

    The pump body and cover part of the diesel engine fire pump set type XBC is divided from the rear part of the impeller, that is, the commonly called rear door structure. Its advantage is ease of maintenance, without moving the pump body, suction pipes, discharge pipes, or motor during maintenance; only the middle coupling connection piece (elongated) is removed to take out the rotor parts for maintenance. The pump casing (body and cover) forms the working chamber. The impeller, shaft, and bearings are the pump rotor. The suspension bearing components support the rotor, and the bearings support radial and axial forces. To balance axial force, most pumps have sealing rings in front and behind the impeller, and a balance hole in the impeller's rear plate; some pumps with low axial force have no sealing ring or balance hole at the impeller's rear.

    The pump axial sealing ring consists of gland packing (9), gland ring (10), and packing (11) to prevent air entry or water leakage. If the impeller is balanced, the cavity with soft packing communicates with the impeller inlet; if the inlet is in vacuum, air can easily enter along the sleeve surface, so a packing ring is installed in the cavity which, through a small hole in the cover, leads pressurized water from the chamber to seal. If the impeller has no balance hole, the liquid pressure at the rear is higher than atmospheric, so no air entry problem and no packing ring is installed. To prevent shaft wear, a protective sleeve is installed where it passes through the packing cavity. Between the sleeve and shaft there is an O-ring seal to prevent air entry or water leakage through the contact surface.

    　　The pump transmission mode is via an elongated elastic coupling connected to the electric motor; the pump rotation direction, viewed from the drive side, is clockwise.

    　　The pump inlet and outlet flanges are designed for a pressure of 1.6 Mpa, facilitating pipe connection.

    Working conditions: allowable working pressure 2.5 Mpa; according to the maximum pressure supported by the casing, the pump body and cover are made of ductile iron (2.0 Mpa), cast steel (2.5 Mpa), etc.

    Main material of the parts of the diesel engine fire pump set XBC

     

    Useful tip: For more performance parameters of the diesel engine fire pump type XBC, please visit the page →【Pump Selection】

    Changsha Zhonglian Pump Industry Co., Ltd.

    Why Choose Us?

    Changsha Zhonglian Pump Industry Co., Ltd. was established in 1989, following the reform of the Changsha Water Pump Factory. It is a national high-tech comprehensive enterprise integrating design, research and development, manufacturing, and service. The company was listed on the Hunan Provincial Stock Exchange on December 31, 2019, with the abbreviated name "Zhonglian Pump Industry" and stock code: 600275HN. It is currently a key enterprise in China's centrifugal pump industry and one of the leading domestic manufacturers of multi-stage pumps, headquartered in Changsha, Hunan, a historical and cultural city in China.

    Changsha Zhonglian Pump Industry Co., Ltd.
    Changsha Zhonglian Pump Industry Co., Ltd.

    FAQ

    Q

    What products do you mainly produce?

    A

    Zoomlion Pump Industry manufactures various large industrial centrifugal pumps. The main products include: self-balancing multistage pumps, multistage centrifugal pumps, single-stage centrifugal pumps, split-case pumps, chemical pumps, submersible pumps, pipeline pumps, long-shaft pumps, condenser pumps, and more.

    Q

    Can you help me choose a model?

    A

    Of course! If the water pump model is not selected accurately, it can cause significant problems. After you take it back, it might be either too small to meet the usage requirements or too large, resulting in higher electricity and fuel costs, increasing the operating expenses.

    Q

    Why is the price quotation so slow?

    A

    Because centrifugal pumps are non-standard custom products with many models and a wide price range. Even for the same model, the price varies greatly depending on the materials and configurations used. Taking the most common pump accessory—the impeller—as an example, the price of a stainless steel impeller is several times that of a cast iron impeller. Therefore, we need to clearly confirm the relevant information to provide you with an accurate price. Normally, if you provide comprehensive information, we can quote within 5 minutes.

    Q

    What information should I provide when I need a quote?

    A

    Usually, if you want to get an accurate quote, it is recommended that you provide us with the following information: pump flow rate, head, on-site operating voltage, frequency, temperature of the conveyed liquid, pH value, solid particle content, on-site installation conditions (horizontal or vertical installation), and other related details. If you are not very familiar with these, it’s okay; our sales manager will assist you in determining them.

    Q

    Do you have centrifugal pumps in stock?

    A

    There are many models and configurations of centrifugal pumps. Except for a small number of commonly used standard models that are in stock, the vast majority of models and configurations are not stocked and are customized products. We need to first select the pump based on your site conditions such as flow rate, head, medium temperature, pH value, and installation conditions. After determining the pump model and configuration, we can then place an order with the workshop for production.

    Q

    What is your usual delivery time?

    A

    Models in stock can be shipped by the next day at the latest. Others are custom-made, and depending on the product size and specific project conditions, the delivery time is generally between 7-90 days. Please consult our sales manager for details: 0731-88632200 。

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