Deep Well Vertical Turbine Pump

Deep Well Vertical Turbine Pump is a vertical single-stage or multi-stage suspended single-casing pump designed according to the GB/T3215-2019 VS1 standard. It adopts a submerged impeller and discharges liquid through a central pipe. It features a compact structure, stable operation, simple operation, convenient maintenance, small footprint, and high degree of versatility and standardization. It is an advanced and mature product developed by our company to meet market demands.

This product can be used to transport clean water, rainwater, sewage, circulating water (turbid and clean circulating water), cooling water, condensate, iron oxide scale water, corrosive industrial wastewater, seawater, and other liquids. It has various applications including industrial water supply and drainage, urban drinking water, domestic fire-fighting water, process water, mine seepage water, and water intake from rivers, lakes, and the sea. It is widely used in water companies, sewage treatment plants, power plants, steel mills, mines, and other industrial and mining enterprises, as well as municipal water supply and drainage, farmland irrigation, flood control and drainage projects.

The LC-type Deep Well Vertical Turbine Pump features a vertically downward-facing suction inlet and a horizontal outlet, allowing for vacuum-free start-up, single-foundation installation, and direct connection between the pump and motor, resulting in a small foundation footprint. Viewed from the motor end, the pump rotor rotates counter-clockwise. Key features include:

• Optimized design using hydraulic design software, resulting in superior performance. The design fully considers the anti-wear performance of the impeller and guide vanes, significantly extending their lifespan. The product operates smoothly, reliably, and is highly energy-efficient.

• A filter screen with appropriately sized openings at the pump inlet effectively prevents large particles from entering and damaging the pump, while minimizing inlet losses and improving pump efficiency.

• The impeller uses balancing holes to balance axial forces, and replaceable sealing rings are provided on both the front and rear impeller covers to protect the impeller and guide vanes.

• The pump rotor assembly includes the impeller, impeller shaft, intermediate shaft, upper shaft, coupling, and adjusting nut.

• The pump's intermediate shaft, delivery pipe, and protective pipe are multi-sectioned, connected by threaded couplings or sleeve couplings. The number of delivery pipes can be increased or decreased according to user needs to adapt to different submerged depths. The impeller and guide vane can be single-stage or multi-stage to meet different head requirements.

• The length of each shaft is reasonable, and its rigidity is sufficient.

• The Deep Well Vertical Turbine Pump's delivery pipe uses flange connections, with a guide bearing housing between adjacent delivery pipe sections. Guide bearings are installed on both the guide bearing housing and the guide vane housing, made of PTFE, cyclohexane, or nitrile rubber. The protective pipe protects the shaft and guide bearings. When pumping clean water, the protective pipe can be omitted, and the guide bearings do not require external cooling and lubrication water. When pumping sewage, the protective pipe must be installed, and the guide bearings must be externally connected to cooling and lubrication water (the pump has a self-closing sealing system; after the pump stops, the self-closing sealing system prevents sewage from entering the guide bearings).

• The residual axial force and rotor weight of the water pump can be borne by the thrust bearing in the motor support or by the motor itself, which has a thrust bearing. The thrust bearing is lubricated with grease (also known as dry oil lubrication) or lubricating oil (also known as thin oil lubrication).

• The pump's shaft seal is a packing seal. Replaceable bushings are installed at the shaft seal and guide bearing to protect the shaft. The axial position of the impeller is easily adjusted by the adjusting nut at the upper end of the thrust bearing assembly or within the pump coupling.

• Vertical long-shaft pumps with outlet diameters of 100mm and 150mm are only used for conveying ambient temperature clean water, without protective pipes, and the guide bearings do not require external lubrication. If users require vertical long-shaft pumps with protective pipes in the 100mm and 150mm diameters, our company can provide alternative technical solutions.

Deep Well Vertical Turbine Pump line features diverse structures and incorporates several new technologies, including low-wear and corrosion-resistant pump design, making it suitable for various media, including abrasive and corrosive media, and meeting diverse installation requirements.

Based on application, the products are categorized as follows:

• General Purpose Type: For conveying clean water or media with similar physicochemical properties to clean water.
• Low-Wear Type: For conveying corrosive media containing significant impurities, such as Yellow River water, iron oxide scale water, ash slag water, and easily crystallizing media.
• Corrosion-Resistant Type: For conveying corrosive media, such as acidic, alkaline, and seawater.
• Pouch Type: For conveying condensate, various oils, and other media requiring high cavitation resistance.

• Water supply pumps
• Irrigation pumps
• Cooling tower
• Thermal and Nuclear power plants
• Steel,Cement industries
• Refineries
• Sea water on off-shore platforms
• Condensate extraction
• Fireflighting pump
• Flood control
• Dry Docks

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