About Us
Shanghai Crowns Pump Manufacture Co., Ltd., established in 2003, specializes in designing, producing, and selling a wide range of pumps and water supply equipment. Our products, including centrifugal pumps, fire pumps, and multistage pumps, cater to various industries such as industrial wastewater treatment, residential sewage disposal, and agricultural irrigation. Committed to quality and customer satisfaction, we prioritize prompt feedback and collaboration with partners to meet market demands. Our focus on energy efficiency, innovation, and superior service drives our mission. We appreciate your support as we continue to excel in providing pumping solutions for a sustainable future.
News
Below are several important performance curves of centrifugal pumps
There is a certain relationship between the performance parameters of the water pump, such as flow rate Q head H shaft power N speed n efficiency η. The relationship between their quantitative changes is represented by a curve, which is called the performance curve of the water pump.
Crowns Pumps Empower BYD Factory Construction Project
Crowns Pumps Empower BYD Factory Construction Project — High-Performance Pumping Equipment Successfully Deployed.
Submersible sewage pumps: heavy‑duty chopper design
Traditional submersible sewage pumps frequently suffer clogging when handling wastewater mixed with rags, plastic bags, straw and long‑fiber debris. Frequent blockages lead to unexpected shutdowns, heavy manual maintenance work and increased operational costs for municipal, commercial and industrial projects. The heavy‑duty chopper‑type submersible sewage pump solves these long‑standing pain points with integrated shredding structure, delivering stable continuous operation under harsh sewage conditions. As a reliable solution for complex wastewater lifting tasks, it gains growing popularity in global municipal engineering, building drainage and factory wastewater treatment projects.
How Do Inline Water Pumps Work
This article systematically introduces the working principle, core structure, unique advantages and mainstream application scenarios of inline water pumps. Different from traditional pumps, inline water pumps adopt coaxial inlet and outlet design to realize direct pipeline installation. Combined with centrifugal operation logic, it efficiently completes water boosting and circulation. The article also analyzes its energy-saving performance and structural advantages, providing professional reference for industrial water supply, HVAC and building water system selection.
How To Install And Use An Industrial Water Pump?
Industrial water pumps are vital mechanical equipment widely used in industrial production, building water supply, fire protection systems and cooling engineering. As the key power source for fluid transportation, their operating effect directly affects the overall efficiency and safety of the entire project. Most pump malfunctions, premature wear and system failures stem from unstandardized installation and incorrect daily operation rather than equipment quality problems. Therefore, mastering professional installation steps and standardized usage rules is crucial to maximize pump performance, extend service life and reduce operating and maintenance costs. This article systematically sorts out standard pre-installation preparations, professional installation procedures, standardized operation specifications and daily maintenance key points, providing practical and reliable guidance for users to install and use industrial water pumps correctly.
What is a Major Advantage of Centrifugal Pump?
This news centers on the biggest strength of centrifugal pumps: stable pulse-free continuous flow, far superior to diaphragm and gear pumps with surging output. High-speed impellers generate steady centrifugal force to deliver even liquid flow, avoiding pipeline vibration, component abrasion and inaccurate chemical dosing. The article lists wide applications including municipal water supply, chemical pharmacy, farm irrigation and fire control, all relying on consistent pressure for stable operation and lower defective rates. Moreover, smooth flow reduces water hammer damage to pipe fittings. Paired with variable frequency drives, centrifugal pumps save much energy under variable loads. Analysts predict a booming global market. Despite displacement pumps suiting high-viscosity media, stable flow ensures centrifugal pumps remain the mainstream fluid transport device across most industries.
How Do I Keep My End Suction Pump Primed?
Losing prime is one of the most common headaches with end suction pumps, but it's usually easy to fix. When air leaks into the suction line or water drains back through a faulty foot valve, the pump loses its hydraulic seal and can't move fluid. The key solutions are simple: install a foot valve or check valve to hold water in the line, ensure the suction pipe slopes upward toward the pump so air escapes naturally, and seal every joint — even a tiny leak can cause prime loss over time. For critical operations, an automatic priming system or priming tank keeps the pump ready 24/7 with zero manual intervention. As a professional end suction pump manufacturer, Zhejiang Guanquan Pump Co., Ltd. provides OEM services and expert technical support for clients worldwide.
Advantages of Using Split Case Pumps in Water Supply Systems
This article explores the key advantages of split case pumps in water supply systems, highlighting their efficiency, reliability, ease of maintenance, and versatility. As a leading pump manufacturer, we explain why horizontal split case pumps have become the preferred choice for municipal water supply, industrial processing, and large-scale infrastructure projects worldwide.
