Mid-Suction Submersible Axial Flow Pump

Tianjin Kairun Pump Industry's Mid-Suction Submersible Axial Flow Pump, an upgraded product for low-head, high-flow fluid transportation, leverages the company's deep technological foundation in fluid machinery and its ISO9001 standardized production system. With its unique mid-suction structure design at its core, it integrates multiple key selling points such as high efficiency and energy saving, anti-clogging durability, and convenient installation, making it a preferred solution for municipal drainage, agricultural irrigation, and water conservancy projects.

The product adopts an integrated electromechanical coaxial design, precisely integrating a dry-type fully enclosed three-phase asynchronous motor with the pump body. Combined with a customized mounting base, it eliminates the need for complex civil engineering and axis alignment procedures, shortening the installation cycle by 95% compared to traditional equipment. This directly saves 30%-40% on pump station construction costs, making it particularly suitable for areas with large water level fluctuations along rivers and lakes, completely solving the compatibility problems of traditional pump stations.

What are the advantages of this product?

The Durable Mid-Suction Submersible Axial Flow Pump features a unique mid-suction structure and anti-clogging performance. The inlet employs a ring-shaped filter cover with a rotating scraper and cutter design, effectively removing dirt and cutting larger impurities in real time, preventing clogging by algae and household waste. It is suitable for raw water with a sand content ≤2% and a water temperature ≤50℃, as well as lightly polluted media. 

The power system is equipped with a high-efficiency, energy-saving motor, coupled with an axial flow impeller optimized by CFD fluid simulation, increasing the overall efficiency by more than 15% compared to ordinary pumps. Flow rates range from 350-50000 m³/h, and the head range is 1-10 m, precisely matching different scale water delivery needs. 

In terms of protection and safety, it adopts the highest IP68 protection rating and F-class insulation design, combined with a double tungsten carbide mechanical seal + auxiliary seal structure. It features built-in intelligent protection against winding overheating, seal leakage, and overload/phase loss. The motor cooling effect is excellent, allowing for stable operation underwater for extended periods, and the bearing life exceeds 8000 hours.

The Quality Mid-Suction Submersible Axial Flow Pump boasts intelligent operation and maintenance advantages, offering convenient operation without the need for pre-start lubrication. It supports variable frequency drive and remote monitoring, enabling unattended operation with low noise. 

Furthermore, it can be built as a fully underground pumping station, preserving the surface environment. Widely used in urban emergency drainage, large-scale farmland irrigation, river ecological water replenishment, and rainwater boosting for sewage treatment plants, it leverages its core competitiveness of "anti-clogging efficiency, convenient installation, controllable cost, and stable reliability." Combined with Kairun Pumps' 24-hour after-sales response and customized solutions, it provides integrated solutions for various fluid transportation projects, showcasing the brand's technical strength and commitment to quality in the pump and valve field.

Product Parameters

Certificate

What Applications Are Suitable for the Mid-Suction Submersible Axial Flow Pump?

The Newest Mid-Suction Submersible Axial Flow Pump, with its unique anti-clogging mid-suction design, easy installation, and stable operation, is perfectly suited to meet the demands of low-lift, high-flow applications that often involve impure media. It is widely used across four core industries: municipal drainage, agriculture, water resources, and industry, making it the go-to choice for durable, anti-clogging fluid transport in various environments.

Municipal Drainage and Sewage Lift

In municipal drainage and sewage lift scenarios, the pump’s anti-clogging structure effectively handles impurities such as household waste and algae in urban stormwater systems. It is well-suited for flood control in low-lying urban areas, rainwater lift in sewage treatment plants, and projects in regions with fluctuating water levels, such as rivers and lakes. Its quick deployment and no need for complex civil engineering make it the perfect solution for flood mitigation projects.

Agricultural Irrigation

For agriculture, the pump addresses the water transport needs of large irrigation districts and agricultural water hubs. With its wide flow range, it can accurately match the irrigation requirements of different scales, providing reliable transport for water from rivers and reservoirs, even if the water contains small amounts of sediment. Its energy-efficient design significantly reduces long-term operating costs, contributing to water-saving irrigation and more sustainable agricultural practices.

Water Resource and Hydropower Projects

In water resources and hydropower applications, the pump is ideal for river ecosystem replenishment, large reservoir water regulation, and temporary drainage during water resource construction projects. Its stable underwater operation allows it to handle challenging water environments, ensuring reliable performance even in complex conditions.

Industrial Applications

In industrial settings, this Quality Mid-Suction Submersible Axial Flow Pump excels at recycling water in industrial parks, mining tailings pond drainage, and similar functions. With an IP68 protection rating and multiple safety features, it operates reliably in environments with light wastewater and dirty water, ensuring long-term durability in tough conditions. Additionally, its ability to be installed in fully underground pump stations makes it suitable for areas with strict environmental requirements, such as scenic areas and residential communities.

What Should Be Considered When Using the Pump?

Proper operation and regular maintenance are essential to ensure the long-term, stable performance and extended lifespan of the Advanced Mid-Suction Submersible Axial Flow Pump. Considering its unique anti-clogging mid-suction design and underwater operation characteristics, here are the key points to pay attention to in installation, operation, and maintenance to avoid potential risks.

Installation Guidelines:

Precise Positioning Required: The mid-suction structure requires accurate positioning during installation. Ensure the pump body is placed horizontally, and the base is securely fixed to avoid any misalignment of the suction inlet caused by vibrations during operation.

Submersion Depth: The pump body must be submerged to the correct depth. The mid-suction inlet should be positioned at least 0.8 meters above the riverbed to avoid sediment blocking. Additionally, stay clear of areas with dense aquatic vegetation to prevent clogging from debris.

Cable Routing: Ensure that cables are laid out properly to avoid dragging or crushing. Use specialized sealing components at cable junctions for waterproofing to prevent short circuits. After installation, manually rotate the pump to check for any blockages and confirm that the rotation is correct before starting the pump.

Operational and Maintenance Guidelines:

Monitor Operating Conditions: During operation, monitor current, voltage, and operating noise regularly. If there are abnormal increases in current, unusual noises, or a decrease in flow, this is likely due to a clogged filter cover at the mid-suction inlet. In such cases, immediately stop the pump and clean the filter.

Avoid Dry Running: Never allow the pump to run dry. It should not be operated in media with a sand content exceeding 2% or at temperatures above 50°C for extended periods, as this can damage the impeller and seals.

Routine Maintenance: Regularly maintain the key anti-clogging structures. Clean the filter cover, rotating scraper, and cutters from any accumulated debris every 1-3 months. Check for wear on the cutters and inspect the mechanical seals for leaks. Additionally, assess the insulation of the cables. Before long-term storage, remove the High-Efficiency Mid-Suction Submersible Axial Flow Pump from the water, clean it thoroughly, and store it in a dry place to prevent rusting.

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