CDL Vertical Multi-stage Centrifugal Water Pump Product Introduction

CDL vertical multi-stage centrifugal water pump is an efficient, energy-saving, and versatile pump equipment suitable for various scenarios. It is favored by both industrial and civilian fields for its unique design, high performance, and wide range of applications. Shanghai Jiushi Pump Industry Factory will provide a detailed introduction to this equipment from the aspects of basic principles, structural characteristics, operation mode, and applicable fields.

Basic Principles:

CDL vertical multi-stage centrifugal water pump is a device that converts mechanical energy into liquid kinetic and potential energy through the rotation of the impeller. The liquid is pushed to a higher position by the high-speed rotation of the impeller, while pressure and velocity can be gradually superimposed. Its multi-level structure determines that the pump can provide higher head, thereby meeting the pressure requirements of different scenarios.

The working principle of a centrifugal pump is based on the action of centrifugal force. The liquid enters the pump body through the inlet pipe, and under the centrifugal force generated by the rotation of the impeller, the liquid is thrown towards the edge of the impeller while obtaining velocity energy. Subsequently, the liquid is converted into pressure energy through guide vanes or diffusers, thereby achieving the transportation of the liquid. Due to the multi-stage design of the CDL pump, each stage of the impeller can increase a certain amount of energy, resulting in a significant increase in its total head.

Structural Feature：

Vertical design: The pump body adopts a vertical layout, which occupies a small area and is suitable for places with limited installation space. Compared to traditional horizontal pumps, vertical design can effectively avoid water accumulation and improve the reliability of equipment operation.

Multi stage impeller: By arranging multiple impellers in series, high head and high efficiency are achieved. The impeller adopts precision casting technology to ensure excellent dynamic balance performance, thereby reducing vibration and noise during operation.

Diverse materials: The pump body is usually made of stainless steel or cast iron, which has good corrosion resistance. Stainless steel material is particularly suitable for transporting mildly corrosive liquids, while cast iron is suitable for ordinary clean water systems.

Modular structure: easy to disassemble and maintain, while supporting the replacement of individual components. Modular design also facilitates flexible configuration according to user needs, such as replacing different types of mechanical seals or adding additional functional modules.

Compact and sturdy: The compact design of the pump body not only saves space, but also improves the mechanical strength of the pump body, which can withstand large pipeline pressures and external impacts.

Operation Mode

CDL vertical multi-stage centrifugal water pumps are usually equipped with motors as power sources. The motor drives the pump shaft to rotate through a coupling or direct connection, thereby driving the impeller to run at high speed. The inlet and outlet of the pump are usually located on the same axis, simplifying pipeline design and reducing installation and usage costs.

During operation, the liquid is pressurized step by step by the inlet end under the action of the impeller, and finally transported to the desired height or distance through the outlet end. This graded pressurization method can effectively reduce energy loss and avoid operational problems caused by insufficient head in single-stage pumps.

Applicable fields

This type of pump is widely used in the following fields:

• Water supply system: such as urban water supply, pressurized water supply for high-rise buildings, etc. Its high head characteristic is very suitable for long-distance transportation or pressure requirements of multi story buildings.

• Industrial turbocharging: In the industrial field, it is commonly used for boiler water supply, cooling water circulation, and medium transportation in industrial production.

• HVAC system: CDL pump can provide stable cooling water or hot water circulation for the air conditioning system, ensuring the normal operation of the system.

• Water treatment: widely used in fields such as water purification, sewage treatment, and seawater desalination, especially suitable for the transportation of mildly corrosive liquids.

• Agricultural irrigation: In modern agriculture, it is used to provide efficient irrigation for large areas of farmland.

  Through in-depth understanding of the CDL vertical multi-stage centrifugal water pump, it can be seen that its design is clever and its performance is superior, which can meet the needs of various complex working conditions.

    Shanghai Jiushi Pump Industry focuses on the production and manufacturing of water pumps, screw pumps, chemical pumps, rotary pumps, self-priming pumps, magnetic pumps, gear pumps, and metering pumps. Especially for water pumps and rotors, they are very popular in the market and have been exported to more than 100 countries and regions such as Southeast Asia, Europe, America, South America, Africa, etc. Welcome new and old customers to come and negotiate.