China Good quality 6v 12v dc mini battery operated medical high pressure diaphragm electric vacuum pump vacuum pump ac

Customized support: OEM
Model Number: A120
Application: Family Homes, Metering
Horsepower: 1.8w
Power Source: Electric
Pressure: <-50kpa;<-300mmHg
Structure: Diaphragm Pump
Outlet Size: 4mm
Voltage: 3v 4v 6v 9v 3.7v 4.2v 12v 24v, 3v 4v 6v 9v 3.7v 4.2v 12v 24v
Power: 1.8W, Electric
Usage: Air Pump,Vacuum Pump
Standard or Nonstandard: Standard
vacuum: –60KPa,-55KPa,-37KPa,-50KPa,
air flow: 2L/m,1L/m
life time: 600 hours~1500 hours
Motor: DC brush motor
Certification: RoHS CE
Packaging Details: 275/pcs per box and weight is 16Kg

Related ProductsAttention:September purchase festival, the highest 10% discount, can not be lost!Product Application:1.6v 12v dc mini battery operated medical high pressure diaphragm electric vacuum pump2.voltage:DC3/6/9/12/24V 3.1.8-2L/m,max -60Kpa 4.Noise:less than 35 dB5.OEM label offer

6v 12v dc mini battery operated medical high pressure diaphragm electric vacuum pump
Apply for:Medical massage equipment, hematomanometer,memory pillow, ventilators and other inflatable products.
Rated voltage DC 3.0VDC 6.0VDC 9.0VDC 12.0VDC 24.0V
Rated current< 600mA< 300mA< 200mA< 110mA< 75mA
Air inflation time≤10S≤10S≤10S≤10S≤10S
Gas flow>2.0LPM>2.0LPM>2.0LPM>2.0LPM>2.0LPM
Max pressure-30~-60Kpa-30~-60Kpa-30~-60Kpa-30~-60Kpa-30~-60Kpa
Load noise 35~ 40dB35~ 40dB35~ 40dB35~ 40dB35~ 40dB
Life time/hour> 500H> 600H> 600H> 600H> 600H
Products drawingsProducts UsagePacking & Delivery
Size400 * 350 *430(mm)
Packaging Details6v 12v dc mini battery operated medical high pressure diaphragm electric vacuum pumpThe box size is 400 * 350 *430(mm).weight is 16kg.
Our ServiceShipment Service* Inquiry and consulting support. * Sample testing support. * It supports a variety of Express.
Technical Service* supply OEM service.* design service.* buyer label offered.
Contact usFAQ1.Q:Where is your company located? A: Our factory is located in HangZhou City, ZheJiang Province, China.2.Q:Which product will applied to? A: Used in Small home appliances, medical massage equipment, medicine nebulizer, Dilatancy machine, memory pillow, breathing machine, display cabinets, aquariums, tourniquet, sphygmomanometer, gynecological treatment apparatus, enema machines and other rehabilitation therapy devices and other products.3.Q:What is the product structure? A:It’s a micro-diaphragm brush motor vacuum pump.4.Q:What’s the max vacuum pressure? A:We can produce as customer requirments,such as -25Kpa~-60Kpa.5.Q:What’s the lifetime of the pump? A: According to customer requirements,our company provides 600 ~ 1000 hours standard and 1000 ~ 1500 hours non-standard pump. For beauty equipment and medical products are guaranteed for 1 year.6. Q:What’s the working environment? A:This product needs to work at a stable voltage, if customer needs to work under fluctuating voltage, please contact customer server and tell the detailed requirements of the product, we make samples as your request, after it is confirmed,then produce mass production. 7.Q:What’s the forbidden working condition? A:The product is forbidden to sun exposure, can not work in wet environment. Forbidden to reverse the positive and negative.8.Q:How to test the noise of the pump? A:Put 5cm sponge under bottom of the pump , 40cm away to test the noise in noise room.9.Q:What’s kind of shipping methods for shipment? A:We are big customer of Fedex,we usually ship samples via it. We can ship production as customer requirement such as Fedex, by sea or shipping agent.10.Q:What’s package of the product? A:225pcs/carton, the carton size is 30*25*25cm. If you need OEM package,please contact the customer server.11.Q:How to get the free samples? A: Please supply your company name and web to our customer server to arrange. If you pay us the sample fee,we will return to you after mass production.12.Q:What’s the certification your product have? A:Our products have CE, RoHS certification, also offer UL and food-grade standard products.

How to install a vacuum pump

A vacuum pump creates a relative vacuum within a sealed volume by drawing gas molecules from the sealed volume. Vacuum pumps can be used in a variety of industrial applications. They also offer various lubrication options. If you are considering purchasing, please understand its functions and features before purchasing.
Vacuum Pump

How it works

The working principle of a vacuum pump is called gas transfer. The principle can be further divided into two basic categories: positive displacement and momentum transfer. At high pressure and moderate vacuum, gas molecules collide and move and create a viscous flow. At higher vacuum levels, gas molecules separate to create molecular or transitional flows.
Another principle of vacuum pumps is fluid-tightness. There are two main types of seals: rotary seals and screw seals. Rotary seals prevent liquid leakage, while screw seals only allow liquids to flow out at higher pressures. Some pumps may not use the third seal.
The flow rate of the vacuum pump determines the machine’s ability to pump a certain amount of material. A higher pumping speed will shorten the drain time. Therefore, the mass flow of the vacuum pump must be carefully considered. The speed and type of vacuum must also be considered.
The working principle of a vacuum pump is to push gas molecules from a high-pressure state to a low-pressure state. This creates a partial vacuum. There are many different types of vacuum pumps, each with different functions. Some are mechanical, some are chemical. In either case, their function is the same: to create a partial or complete vacuum. Vacuum pumps use a variety of technologies and are sized according to the application. Proper sizing is critical for optimum efficiency.
Gas transfer pumps use the same principles as vacuum pumps but use different technology. One of the earliest examples is the Archimedes spiral. Its structure consists of a single screw inside a hollow cylinder. More modern designs use double or triple screws. The rotation of the screw causes gas molecules to be trapped in the cavity between the screw and the housing. The fluid is then discharged at slightly above atmospheric pressure. This difference is called the compression ratio.
Another type of vacuum pump is a diffusion pump. Its main use is industrial vacuum processing. It is used in applications such as mass spectrometry, nanotechnology and analytical instrumentation. These pumps are generally inexpensive to purchase and operate.


Vacuum pumps are essential for many scientific and industrial processes. They are used in the production of vacuum tubes, CRTs, lamps and semiconductor processing. They can also be used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle. Likewise, they can be used to power hydraulic components of aircraft. Among other uses, the vacuum pump helps calibrate the gyroscope.
Vacuum pumps are widely used in the pharmaceutical industry and are one of the largest users of this technology. They help deal with hazardous materials and eliminate waste quickly. They are also used in power jets, dump fuel tanks and rear doors, among others. However, they are sensitive to contamination and should only be used in environments where leaks can be prevented. Therefore, choosing the right fluid for the application is very important.
The most popular type of vacuum pump is the rotary vane pump. These pumps are known for their high pumping speed and low pressure. Their efficient pumping capacity allows them to reach pressures below 10-6 bar. Additionally, they are usually oil-sealed and have excellent vacuuming capabilities.
Vacuum pumps are often used to remove air from closed systems. They create a vacuum by reducing the density of the air in the compressed space. This is done by using the mechanical force energy generated by the rotating shaft. When the pump is under pressure, it converts this energy into pneumatic power. When the pressure is different, the energy produced depends on the volume of the gas and the pressure difference between the inner and outer atmospheres.
Vacuum pumps are also used in the manufacture of solar cells. They are used in the manufacture of solar cells, including ingot casting processes as well as cell and module processes. The design of the vacuum system plays an important role in reducing the cost of the process, thus making it profitable. Due to their low maintenance costs, they are an invaluable tool for making solar cells.
Vacuum pumps are widely used in many applications. In addition to industrial and research uses, they are also used in water remediation.
Vacuum Pump

Oil Lubrication Option

Vacuum pumps are available in a variety of oil lubrication options. Choosing the right lubricant can help protect your vacuum pump and maximize its performance. Different base oils may contain different additives, such as antioxidants, and some contain additional additives for specific purposes. You should choose an oil with the right concentration of these additives for optimal lubrication of your vacuum pump.
Vacuum pumps are usually lubricated with paraffinic mineral oil. However, this type of lubricant evaporates as the temperature increases. To minimize evaporative losses, choose a lubricant with low vapor pressure. Also, you should choose lubricants that are resistant to extreme temperatures. Extreme temperatures can put extra stress on the oil and can even significantly shorten the life of the oil.
In terms of viscosity, synthetic oils are the best choice for vacuum pumps. These types of oils are designed to resist gas dissolution and are more resistant to corrosion. Therefore, synthetic oils are ideal for handling aggressive substances. Whether or not your pump needs lubrication, choosing a quality product is important.
The vacuum pump oil should be changed periodically according to the manufacturer’s recommendations. If you use a filter, you should also change the oil as soon as the filter reaches the end of its life. Unplanned oil changes will eventually cause the vacuum pump to not reach its maximum vacuum capacity.
You can buy vacuum pump oil from vacuum pump manufacturers or other suppliers. These options are available in a variety of sizes, and labels can be customized. The oil should be designed for the pump. However, you should check the manufacturer’s recommendations to avoid buying the wrong type.
If you choose to use a synthetic oil, it is important to use a good quality oil. It helps the pump work more efficiently and prolong its life.
Vacuum Pump


After choosing a suitable location, the next step is to install the pump. First, place the pump on a flat surface. Then, screw the pump onto the motor body above the check valve. Make sure the accessories are wrapped with sealing tape and secured with screws. The direction of gas inflow and outflow is indicated by arrows on the pump. The direction of rotation around the pump is also shown.
During commissioning, check the operation of each part of the pump. If the pump is equipped with a pipe connection, the pipe should be the same size and shape as the pump flange. Also, make sure that the piping does not cause any pressure drop. In addition, the first three weeks of operation require the installation of protective nets at the suction ports.
When selecting a pump, consider the back pressure of the system. Too much back pressure will affect the capacity of the vacuum pump. Also, check the temperature of the seal. If the temperature is too high, the seal may be damaged. It could also be due to a partially closed valve in the recirculation line or a clogged filter. Circulation pumps and heat exchangers should also be checked for fouling.
The vacuum pump is usually installed in the chassis area of ​​the car. They can be mounted next to the engine or on a lower support frame. They are usually fastened to the bracket using suitable shock absorbers and isolating elements. However, before installing the vacuum pump, be sure to check the vacuum pump’s wiring harness before connecting it to the vehicle.
In many experimental setups, a vacuum pump is essential. However, improperly installed vacuum pumps can expose users to harmful vapors and chemicals. Appropriate plugs and belt guards should be installed to prevent any accidental chemical exposure. It is also important to install a fume hood for the pump.
In most cases, vacuum pumps come with installation manuals and instructions. Some manufacturers even offer start-up assistance if needed.

China Good quality 6v 12v dc mini battery operated medical high pressure diaphragm electric vacuum pump     vacuum pump acChina Good quality 6v 12v dc mini battery operated medical high pressure diaphragm electric vacuum pump     vacuum pump ac

Vacuum Pump

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