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Product details

Can a micro vacuum pump be used as a pressure pump?

Micro vacuum pumps can be used as pressure pumps. It is different from ordinary pressure pumps and can be used as an suction machine. You can use the inlet as an exhaust port and the outlet as an intake port, which can form a slight positive pressure at the inlet; It can also be used as an intake port and an outlet as an exhaust port, which can create a slight negative pressure at the outlet. Therefore, micro vacuum pumps can be used as a press machine.

However, it should be noted that although micro vacuum pumps can be used as pressure pumps, their performance may not be as good as specialized pressure pumps.

The main design objective of a mini vacuum pump is to generate a vacuum or low-pressure environment, and its flow and pressure parameters may not meet the requirements of all pressure pumps

Application requirements. Therefore, when choosing whether to use a micro vacuum pump as a pressure pump, it is necessary to consider specific application scenarios and requirements comprehensively.

Technical Specification

Model	DQB421-FB	Voltage	dc6v 12v 24v
Current	1000mA,550mA,300mA	Flow	5.0-6.0L/Min
Pressure	600-850mmHg	Maximum vacuum pressure	<-550mmHg
Media	Air	Lifespan	>400 hours (with a 500cc tank, work for 10secs and stop for 5secs as a cycle )

What is the difference between a dc mini vacuum pump and a pressure pump?

Principle: A mini electric vacuum pump mechanically extracts air, reducing the pressure inside the pumped material to a low-pressure state. A pressure pump, on the other hand, uses a mechanical device to compress gas and increase its pressure to a certain extent, thereby achieving the purpose of transporting materials.

2. Function: The small electric vacuum pump is mainly used to form negative pressure, which is suction. The pressure pump is designed to create positive pressure, that is, pressurization.

3. Application scenarios: Micro vacuum pumps are widely used in laboratories, household appliances, and other fields due to their ability to generate high vacuum, such as vacuum freeze-drying, food packaging machines, etc. And pressure pumps are mainly used for conveying materials such as gas and powder, such as in industries such as food and medicine.

Dimension Drawing

DQB421-FB

What are the differences in performance characteristics between micro vacuum pumps and pressure pumps?

Firstly, in principle, a small diaphragm vacuum pump mechanically extracts air, reducing the pressure inside the pumped material to

A low-pressure state. And the pressure pump uses mechanical devices to compress the gas and increase the gas pressure to a certain extent, thereby achieving the purpose of transporting materials.

Secondly, in terms of functionality, micro vacuum pumps are mainly designed to create negative pressure, i.e. suction, and are suitable for scenarios that require high vacuum levels, such as vacuum freeze-drying and vacuum sealer in the household. The pressure pump is designed to create positive pressure, which is mainly used for conveying materials such as gases and powders, such as in industries such as food and medicine.

In addition, the two also differ in their advantages and disadvantages. Micro vacuum pumps typically have small volume, low friction, simple structure, and are easy to maintain.

It has the advantages of being protective and not easily affected by the environment, but the vacuum pumping speed is slower. Pressure pumps, on the other hand, have fast pumping speed and strong conveying capacity advantages, but its structure is complex, easily damaged, noisy, and greatly affected by the external environment.

Flow performance curve

What are the differences in noise and stability between micro vacuum pumps and pressure pumps?

There may be differences in noise and stability between micro vacuum pumps and pressure pumps, but the specific differences depend on the pump's design, manufacturing process, and application scenarios.

Firstly, in terms of noise, micro vacuum pumps are usually designed for low-noise operation to meet certain noise sensitive application scenarios, such as laboratories, medical equipment, etc. They may use precise design and efficient materials to reduce noise generation. Pressure pumps, especially those used in certain industrial applications, may generate significant noise because their design may focus more on performance rather than noise control.

Secondly, in terms of stability, micro vacuum pumps usually have high stability because their design focuses on long-term operation and reliability. Some micro vacuum pumps are even designed to be explosion-proof and can operate stably in harsh environmental conditions. The stability of pressure pumps may vary depending on the application scenario. In some applications that require continuous long-term operation, pressure pumps may require additional maintenance and upkeep to ensure their stable operation.

However, these differences are not absolute. The specific noise and stability performance are also influenced by the design and production process of the product manufacturer. Therefore, when choosing a small electric vacuum pump or pressure pump, it is recommended to evaluate whether its noise and stability meet the requirements based on specific application scenarios and requirements.

DYX Mini Pumps And Solenoid Valves Application

Can a micro diaphragm vacuum pump process water?

DC electric vacuum pump is a special type of pump that has two functions: pumping air and pumping water. It can pump water when it encounters water

Extract air during breathing. The design of this pump allows it to adapt to different environments and usage scenarios without worrying about damaging the pump due to different media.

Therefore, micro diaphragm vacuum pumps can process water. At the same time, this type of pump also has some other advantages, such as not requiring manual water intake during pumping, which can be called a "vacuum pump". In the absence of water, it will vacuum, form a vacuum, rely on air pressure to increase water pressure, and then start pumping water. Both the pumping and pumping states belong to the normal working range.