Centrifugal Pump
Your Professional Centrifugal Pump Supplier
Sichuan Precision Technology Co., Ltd. (PRS) is a professional engineering company with 20+ years of experience delivering copper plant solutions worldwide.You need more than just equipment. You need a solution that works from day one - and keeps working.Our vision is to make modern copper electrowinning (EW) accessible, scalable, and efficient for all mining operations worldwide.
why choose us
One-Stop Solution
We provide an end-to-end service that covers the entire project cycle—from engineering design, equipment manufacturing, quality inspection, and logistics coordination to on-site installation and commissioning—ensuring seamless control and consistent quality at every stage.
Rich Project Experience
Our team has successfully delivered a wide range of copper EW (Electrowinning) projects with capacities from 3,000 to 50,000 TPA. These projects span multiple countries and operating environments, giving us deep industry expertise and proven technical solutions.
Customized Design
Each project is tailored to local environmental conditions, ore characteristics, production targets, and customer-specific requirements. We provide optimized engineering layouts, equipment configurations, and process flow designs to maximize efficiency and long-term operability.
After-sales Support
We offer comprehensive after-sales service, including 24/7 technical support, remote troubleshooting, timely spare parts supply, and on-site service when required, ensuring reliable operation and minimal maintenance interruptions.
High-Efficiency
Centrifugal pumps are designed with impellers that create a centrifugal force, which imparts energy to the fluid. This hydraulic design allows for efficient fluid transfer with minimal energy losses.
Wide Range of Applications
Centrifugal pumps find applications in numerous industries, including water supply and treatment, irrigation, chemical processing, HVAC systems, power generation, and more. Their versatility makes them suitable for various fluid transfer tasks.
Simple and Compact Design
It feature a simple design consisting of an impeller, a casing, and inlet/outlet connections. This simplicity makes them easier to manufacture, install, and maintain.
Low Maintenance Requirements
Centrifugal pumps are known for their robust construction and reliability. They are designed to handle demanding operating conditions, including continuous operation and handling a wide range of fluids.
Technical Specifications
|
Item |
Specification Range |
|
Casing Material |
PP, UHMWPE |
|
Impeller Type |
Closed / Semi-open |
|
Max Flow Rate |
Up to 120 m³/h |
|
Max Head |
Up to 45 meters |
|
Temperature Resistance |
PP: 80°C / PVDF: 120°C |
|
Inlet/Outlet Diameter |
DN25–DN100 |
|
Motor Power |
0.75–22 kW |
|
Seal Type |
Mechanical seal / Seal-less (optional) |
|
Mounting Type |
Horizontal / Vertical |
Impeller: The heart of the centrifugal pump, responsible for imparting kinetic energy to the fluid. It features a central hub (the “eye”) and several vanes that direct the movement of the liquid. Impellers vary in diameter, vane design (open, semi-open, closed), and rotational speed to accommodate different flow rates and pressures.
Pump Casing (Volute): This is the outer shell that houses the impeller. The casing’s design transforms the high-velocity, low-pressure fluid leaving the impeller into a controlled, high-pressure flow. The volute shape, in particular, helps maximize energy conversion and efficiently directs flow toward the discharge port.
Mechanical Assembly (Pumping Unit): This includes the rotating shaft, bearings, seals, and the driver—typically an electric motor, but sometimes a diesel engine or steam turbine. The shaft transmits rotational energy from the motor to the impeller, while mechanical seals and bearings ensure smooth operation and prevent leaks.
Working of a Centrifugal Pump
Priming: It refers to the process in which water is filled in the casing, suction pipe, and portion of the delivery pipe up to the delivery valve so that no air pockets are left.
Creation of strong suction: Creating a strong suction helps in the proper suction of the liquid from the source. After the pump is primed, the delivery valve is kept closed while the impeller is spun by turning on the centrifugal electric motor.
Creating normal pressure: The delivery valve remains closed and the rotation speed of the impeller increases to establish the normal pressure that is required to begin pumping.
Liquid suction: Once the normal pressure is achieved, the delivery valve opens and the liquid is sucked into the suction pipe. The liquid then enters the casing through the impeller’s eye. The impeller spins the liquid in the casing, creating the centrifugal force required to create a centrifugal head.
Delivery: Water is brought up to the required height through the delivery pipe.
Continuous process: There will be suction pressure at the inlet and a centrifugal head at the outlet until the impeller keeps rotating. This will keep transferring the liquid from the source to the reservoir until it is stopped.
Closing the pump: When the pump is turned off, the delivery valve must be closed to restrict reservoir backflow.
Water Supply Systems
Centrifugal pumps are a cornerstone of municipal water supply systems, ensuring reliable water delivery to homes, businesses, and industries. They efficiently transport water from treatment plants to distribution systems, handling high volumes of water with ease.
Chemical Processing
In the chemical industry, centrifugal pumps are used to transport a variety of chemicals, from corrosive liquids to viscous fluids. These pumps are designed to handle a wide range of chemical compositions, making them suitable for fluid processing equipment and fluid handling solutions in industrial settings.
Oil & Gas
Centrifugal pumps play a crucial role in oil and gas operations, from exploration to transportation. They are used for fluid circulation, well stimulation, and transferring oil and gas through pipelines.
Wastewater Treatment
In wastewater treatment plants, centrifugal pumps are used to move raw sewage and other wastewater to treatment systems. For applications involving solids or debris, trash pumps—a type of self-priming centrifugal pump—are often used due to their ability to handle sludge, grit, and larger particulates without clogging.
HVAC Systems
In commercial and residential HVAC systems, centrifugal pumps circulate water for heating and cooling purposes. These pumps are integral to maintaining comfortable temperatures in large buildings by efficiently moving water through the HVAC system.
FAQ