HW Type Mixed-flow Pump

The HW type mixed-flow pump is a type of pump that lies between the centrifugal pump and the axial-flow pump. Its impeller design enables the liquid to generate centrifugal force while also being subjected to axial thrust when flowing out, thus achieving "mixed-flow" type transportation. This pump model has been specially designed to meet the requirements of water transportation scenarios that demand high flow rate and medium-low head. It achieves an excellent balance among efficiency, flow rate and anti-cavitation performance. Its structure is relatively compact, and it operates efficiently and smoothly. It is a classic and key pump type used in fields such as farmland irrigation and drainage, municipal drainage, power plant circulation, and water diversion in water conservancy projects.

High-pressure water supply with large flow and high head
Intelligent boosting technology, allowing for more water volume for a smooth wash. Utilizing turbo boosting technology, it has super large power to automatically address issues of low water pressure, providing more water output with greater pressure.

High-efficiency and large-flow delivery: Thanks to its unique mixed-flow impeller design, the HW type pump can achieve a flow rate far exceeding that of centrifugal pumps of the same diameter at a lower rotational speed, with a wide efficiency range. It is particularly suitable for the lifting and transportation of large volumes of liquids, and has low unit water transportation energy consumption.
Ideal head range: Its working head range is precisely between axial flow pumps (low head) and centrifugal pumps (high head), perfectly covering the actual needs of numerous water conservancy and municipal engineering projects, avoiding the waste of efficiency caused by the use of pumps with excessively high head.
Good anti-cavitation performance: Compared with axial flow pumps, the necessary cavitation resistance (NPSHr) of the mixed-flow pump is usually lower, which means it has relatively less requirements for the inlet water conditions and can still operate stably even when the water level at the suction point fluctuates, making it more adaptable.
Compact structure, reliable operation: The structure forms are diverse, including vertical, horizontal, and inclined installations. Commonly used are fixed blades or semi-adjustable blades. The structure is simple and sturdy, operates smoothly, has low vibration, requires relatively less maintenance work, and has high reliability.

Advanced impeller hydraulic model: The blade profile of the impeller has been precisely calculated and verified by fluid dynamics, ensuring smooth transition of the liquid within the flow channel, reducing hydraulic losses, and achieving peak efficiency at the target head and flow rate.
Heavy-duty reliable shaft and bearing system: According to the pump type (vertical/horizontal), heavy-duty rolling bearings or guide bearings are configured, and an effective sealing and lubrication system is equipped to ensure the stability and durability of the long shaft drive, suitable for long-term continuous operation.

Agricultural irrigation and drainage: Pump stations in large irrigation areas, drainage and flood control pump stations in plain regions.
Municipal water supply and drainage: Rainwater discharge pump stations in cities, lift pump stations in sewage treatment plants, flood control pump gates of inland rivers.
Industrial and power plant cooling circulation: Circulation cooling water systems for thermal power plants and nuclear power plants, used as circulating water pumps.
Water conservancy projects and water diversion: Lift pump stations in cross-basin water diversion projects, water intake and drainage of reservoirs and lakes.
Shipyard drainage and waterway maintenance: Drainage of shipyards, water replenishment for waterways, etc. Large-scale water transfer operations.

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