Industrial Water Pump

Industrial water pumps have a wide range of applications, such as pumping water from wells, aquarium filtration work, pond filtration tasks, water cooling and fuel injection in the automotive industry, oil and gas pumping or operating cooling towers. 
In the field of machine tools, pumps are used to move cutting fluids and coolants in machine tools.

Type of Components and Parts

What makes a pump?

A pump is a device that move liquids through their mechanical design and are used in commercial applications. According to the methods of pumps used to move fluids, pumps can be divided into three main models. These three models are determined by the way they move fluids, and there are direct lift, displacement, and gravity methods. That is, there are direct lift pumps, displacement pumps, and gravity pump respectively.
Commercial pumps are typically operated by either reciprocating or rotary mechanisms, and consume energy to perform mechanical work that moves the fluid, thereby improving liquid delivery performance.

Mechanical pumps

In practical, mechanical pumps can also be classified by their discharge way into positive displacement pumps, impulse pumps, velocity pumps, gravity pumps, steam pumps, and valve-less pumps. Besides, there are two basic types of pumps, that is, positive displacement and centrifugal.
Pumps can be operated by many power sources, such as manual operation by field operators, or by electricity or engines, and even by sustainable energy sources such as wind energy. These energy sources can be used in a variety of equipment, ranging in size from a micro microscope for medical use to large Industrial water pumps in waterworks, or small Industrial water pumps that transfer coolant from machine tools to cutting fluids.


The number of impellers determines the working mode of the pump and the liquid intensity. For example, there is a pump that contains only one revolving impeller, it is called a single-stage pump. If a pump contains two or more revolving impellers, it is called a double- or multi-stage pump.

Other innovations

In applications in the biological field, many new types of chemical pumps and biomechanical pumps have been developed. BIOMIMICRY is sometimes used in the development of new mechanical pumps. Just like in the early days, people tried to study birds to achieve human flight. Although the results are not always ideal, there are many biological imitation cases that can help improve human well-being.

What is positive displacement?

Based on the above introduction, the positive displacement pump makes a certain amount of liquid flow into the discharge pipe, so that the fluid moves. Usually displacement pumps use expanding cavity on the suction side and then use decreasing cavity on the discharge side. With this method, when the cavity on the suction side expands, liquid flows into the pump, and when the cavity squeezes, the liquid flows out from the discharge side. In each operation cycle, the amount of liquid is constant.

Safety issue

It is noteworthy that, unlike centrifugal pumps, a positive displacement pump can produce the same flow rate at a given speed, regardless of the discharge pressure, that is, the positive displacement pump is a constant flow mechanism. However, as the pressure increases, the internal leakage will increase slightly, thus preventing a truly constant flow.
Since the positive displacement pump does not have a shutoff head like a centrifugal pump, the positive displacement pump cannot work against the closed valve on the discharge side of the pump. The positive displacement pump continues to operate to generate flow, but the pressure in the discharge pipe continues to increase until the pipe bursts, severely damaging the pump.

Safety concern

For safety reasons, pump manufacturers will install a safety valve on the discharge side of the positive displacement pump. This valve can be installed either internal or external, and pump manufacturers normally have the option to supply internal relief or safety valves.
Today's industry is changing rapidly. In the fields of automation and 3C consumables, manufacturers are more inclined to purchase machine tools with complete intelligent and environmentally friendly parts, which can not only achieve a wider range of processing applications, improve work efficiency but create a friendly working environment.


Pumps are common household and industrial facilities in our lives, and modern society cannot do without it. According to market demand, the application of Industrial water pumps has changed from basic mechanical units to more intelligent fluid mechanics equipment. In the future, sensors, transmissions, small CPUs and other IT technologies will be integrated into the pump structure to achieve the intelligent manufacturing goal of the entire production line.

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