China best Cost-Efficient Piston Vacuum Pump for Eye Surgery Equipment a/c vacuum pump

Product Description

Rocking Piston type dry vacuum pump is a mechanical vacuum pump that transfers gas by the reciprocating motion of a piston interlocking with an eccentric rotating shaft.

Since this is an oil-less pump, backflow of air through the sliding part between the cylinder and piston ring is unavoidable. Because of its simple structure, this pump has low ultimate pressure. However, it can obtain stable pressure in a low vacuum region.
Some models can also be used as a pressurizing source for compressors. The pump is widely used in printed board mounting equipment, vacuum packaging machines, material adsorption transfer equipment, labeling machines, printing ink degassing machines, printing machines, photograph plate making machines, screen printing machines, degassing machines, burying machines, baking furnaces, suction machines, automobile exhaust gas analyzers, refrigerant recovery device, plasma cutting equipment.

Features & Highlights
1. Oil less piston vacuum pump, ultra-low quiet, strong power.
2. Microcomputer negative pressure oil less vacuum pump, large free air displacement.
3. Economical cost-saving: Not need to add oil, save oil fee; Long use-life, do not need to change machine frequently, in normal use condition, the machine can live up to 10 years above;
4. Simple operation: The oiless pumps needn’t to be equipped with oil or water, it works once it is wired up. It is the essential tools for factory, engineering and individual household;
5. Durability: Reasonable structure and uniform force distribution reduce the wear and tear of each moving part.
6. Convenient: Basically do not need maintenance; dust can be wiped out once found.
7. The machine body is made of soundproof and thickened material; the suction port is equipped with silencing brass plug
8. The pumps work sounds are only 50-60 DB, just as loud as normal conversation.
9. Thickened seal cover, Full copper wire coil motor, Non-slip locator, spider web radiator.
10.Water vapor separator or filter, built in side.
11. Rubber shock absorb;
12.Cylinder connecting rod assembly, precise , flexible and durable.

Detailed Photo

Markets & Applications
paper counting machine
vacuum mixing
handicapped assessible doors
diving air
oxygenerator
Blood analyzer
Dialysis / hemodialysis
Air suspension system
Massage chair
Teaching instrument platform
Airborne oxygen generator
Respirator (ventilator)
Disinfectant sprayer
Clinical aspirator
Dental vacuum drying oven
Vending machines
Chromatographic analyzer
On board access control system
Coffee blenders and coffee machines

Why choose us?
Source factory
Germany technology supported
Fast delivery
OEM service for different types of vacuum solutions
Lower MOQ
Sample is available
24 hours technical support

About Us

Production Procedure

FAQs:
Q: Is CHINAMFG a vacuum pump Manufacturer or a trading company?
A: CHINAMFG is the authentic vacuum pump factory located in China; our aim is to produce the cost-effective vacuum pump with good quality.

Q: Can we have a visit to your factory?
A: Yes, welcome to our factory anytime
We also could have video meeting if you like. 

Q: How many workers do you own?
A: CHINAMFG owns more than 20 professional workers right now.

Q: Can I have my own color?
A: Yes, we could print any other colors as client’s requests; there will be extra cost for that.

Q: Can I have my own design/printing on vacuum pump?
A: Yes, we could print your own label on pump body; there will be extra cost and the MOQ.

Q: Can I have an engraved logo on the vacuum pump shell?
A: It’s not easy to have engraved logo on the pump body/shell, but we still could add your engraved logo on it if you like, there will be extra cost!

Q: Do you accept OEM service?
A: Yes, OEM requests are welcomed, we provide OEM service

Q: What’s the Sample policy?
A: We could provide sample with the bulk price, please note that the freight cost is more expensive for sample.

Q: What’s the Payment term?
A: 30% advanced; balance after goods been finished and before the shipment.
 
Q: How do you ensure the quality?
A: No need to worry about the quality, we will do Test run for more than 10 hours before packaging. Including the noise test, Stationarity Test,
Quality report and the CE certification also could be provided.

Q: How to become the agent and what could I benefit from that?
A: Welcome to be our agent or distributor!
Please send your contact information to us via E-mail, we will check and feedback ASAP.

Q: What’s the MOQ?
A: For general order, you could order 1 set to test the quality, and please consider the shipping cost for small volume.
For custom/OEM order, The MOQ should be at least 10 sets, and there will be extra cost for the logo, color and others.

Q: Do you attend in any shows or exhibition? 
A: We are eager to show our cost-effective vacuum pump all over the world, you could join in our mailing list, and we will notice you once we get the invitation in your country or region.

Q: How can we get a vacuum pump Catalogue or Price list?
A: Please contact us via e-mail or some other ways, we will send you the catalogue to you, or you could download them from our official website.

Q: What are the usual Shipping ways?
A: To Asia, mainly by land transportation, to Vietnam, our shipping forwarder could provide the 1 stop service

Q: Where can I buy the spare parts or accessories?
A: CHINAMFG could provide the original vacuum pump spare parts with cost price.

Q: Shall I pay for the income taxes if I order the vacuum pump from you?
A: Please check with the shipping forwarder in your country, since the import is not the same in different countries.

Welcome to join us!
Join CHINAMFG and become our distributors or agent in your region, and share the discount prices!
 

After-sales Service: 7*24 Hours
Warranty: 2 Years
Oil or Not: Oil Free
Structure: Reciprocating Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: High Vacuum
Samples:
US$ 358/Set
1 Set(Min.Order)

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Customization:
Available

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vacuum pump

What Is the Vacuum Level and How Is It Measured in Vacuum Pumps?

The vacuum level refers to the degree of pressure below atmospheric pressure in a vacuum system. It indicates the level of “emptiness” or the absence of gas molecules in the system. Here’s a detailed explanation of vacuum level measurement in vacuum pumps:

Vacuum level is typically measured using pressure units that represent the difference between the pressure in the vacuum system and atmospheric pressure. The most common unit of measurement for vacuum level is the Pascal (Pa), which is the SI unit. Other commonly used units include Torr, millibar (mbar), and inches of mercury (inHg).

Vacuum pumps are equipped with pressure sensors or gauges that measure the pressure within the vacuum system. These gauges are specifically designed to measure the low pressures encountered in vacuum applications. There are several types of pressure gauges used for measuring vacuum levels:

1. Pirani Gauge: Pirani gauges operate based on the thermal conductivity of gases. They consist of a heated element exposed to the vacuum environment. As gas molecules collide with the heated element, they transfer heat away, causing a change in temperature. By measuring the change in temperature, the pressure can be inferred, allowing the determination of the vacuum level.

2. Thermocouple Gauge: Thermocouple gauges utilize the thermal conductivity of gases similar to Pirani gauges. They consist of two dissimilar metal wires joined together, forming a thermocouple. As gas molecules collide with the thermocouple, they cause a temperature difference between the wires, generating a voltage. The voltage is proportional to the pressure and can be calibrated to provide a reading of the vacuum level.

3. Capacitance Manometer: Capacitance manometers measure pressure by detecting the change in capacitance between two electrodes caused by the deflection of a flexible diaphragm. As the pressure in the vacuum system changes, the diaphragm moves, altering the capacitance and providing a measurement of the vacuum level.

4. Ionization Gauge: Ionization gauges operate by ionizing gas molecules in the vacuum system and measuring the resulting electrical current. The ion current is proportional to the pressure, allowing the determination of the vacuum level. There are different types of ionization gauges, such as hot cathode, cold cathode, and Bayard-Alpert gauges.

5. Baratron Gauge: Baratron gauges utilize the principle of capacitance manometry but with a different design. They consist of a pressure-sensing diaphragm separated by a small gap from a reference electrode. The pressure difference between the vacuum system and the reference electrode causes the diaphragm to deflect, changing the capacitance and providing a measurement of the vacuum level.

It’s important to note that different types of vacuum pumps may have different pressure ranges and may require specific pressure gauges suitable for their operating conditions. Additionally, vacuum pumps are often equipped with multiple gauges to provide information about the pressure at different stages of the pumping process or in different parts of the system.

In summary, vacuum level refers to the pressure below atmospheric pressure in a vacuum system. It is measured using pressure gauges specifically designed for low-pressure environments. Common types of pressure gauges used in vacuum pumps include Pirani gauges, thermocouple gauges, capacitance manometers, ionization gauges, and Baratron gauges.

\vacuum pump

How Do Vacuum Pumps Affect the Performance of Vacuum Chambers?

When it comes to the performance of vacuum chambers, vacuum pumps play a critical role. Here’s a detailed explanation:

Vacuum chambers are enclosed spaces designed to create and maintain a low-pressure environment. They are used in various industries and scientific applications, such as manufacturing, research, and material processing. Vacuum pumps are used to evacuate air and other gases from the chamber, creating a vacuum or low-pressure condition. The performance of vacuum chambers is directly influenced by the characteristics and operation of the vacuum pumps used.

Here are some key ways in which vacuum pumps affect the performance of vacuum chambers:

1. Achieving and Maintaining Vacuum Levels: The primary function of vacuum pumps is to create and maintain the desired vacuum level within the chamber. Vacuum pumps remove air and other gases, reducing the pressure inside the chamber. The efficiency and capacity of the vacuum pump determine how quickly the desired vacuum level is achieved and how well it is maintained. High-performance vacuum pumps can rapidly evacuate the chamber and maintain the desired vacuum level even when there are gas leaks or continuous gas production within the chamber.

2. Pumping Speed: The pumping speed of a vacuum pump refers to the volume of gas it can remove from the chamber per unit of time. The pumping speed affects the rate at which the chamber can be evacuated and the time required to achieve the desired vacuum level. A higher pumping speed allows for faster evacuation and shorter cycle times, improving the overall efficiency of the vacuum chamber.

3. Ultimate Vacuum Level: The ultimate vacuum level is the lowest pressure that can be achieved in the chamber. It depends on the design and performance of the vacuum pump. Higher-quality vacuum pumps can achieve lower ultimate vacuum levels, which are important for applications requiring higher levels of vacuum or for processes that are sensitive to residual gases.

4. Leak Detection and Gas Removal: Vacuum pumps can also assist in leak detection and gas removal within the chamber. By continuously evacuating the chamber, any leaks or gas ingress can be identified and addressed promptly. This ensures that the chamber maintains the desired vacuum level and minimizes the presence of contaminants or unwanted gases.

5. Contamination Control: Some vacuum pumps, such as oil-sealed pumps, use lubricating fluids that can introduce contaminants into the chamber. These contaminants may be undesirable for certain applications, such as semiconductor manufacturing or research. Therefore, the choice of vacuum pump and its potential for introducing contaminants should be considered to maintain the required cleanliness and purity of the vacuum chamber.

6. Noise and Vibrations: Vacuum pumps can generate noise and vibrations during operation, which can impact the performance and usability of the vacuum chamber. Excessive noise or vibrations can interfere with delicate experiments, affect the accuracy of measurements, or cause mechanical stress on the chamber components. Selecting vacuum pumps with low noise and vibration levels is important for maintaining optimal chamber performance.

It’s important to note that the specific requirements and performance factors of a vacuum chamber can vary depending on the application. Different types of vacuum pumps, such as rotary vane pumps, dry pumps, or turbomolecular pumps, offer varying capabilities and features that cater to specific needs. The choice of vacuum pump should consider factors such as the desired vacuum level, pumping speed, ultimate vacuum, contamination control, noise and vibration levels, and compatibility with the chamber materials and gases used.

In summary, vacuum pumps have a significant impact on the performance of vacuum chambers. They enable the creation and maintenance of the desired vacuum level, affect the pumping speed and ultimate vacuum achieved, assist in leak detection and gas removal, and influence contamination control. Careful consideration of the vacuum pump selection ensures optimal chamber performance for various applications.

vacuum pump

What Is a Vacuum Pump, and How Does It Work?

A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:

A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:

1. Sealed Chamber:

The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.

2. Inlet and Outlet:

The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.

3. Mechanical Action:

The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:

– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.

– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.

– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.

4. Gas Evacuation:

As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.

5. Exhaust or Collection:

Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.

6. Pressure Control:

Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.

7. Monitoring and Safety:

Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.

It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.

In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.

China best Cost-Efficient Piston Vacuum Pump for Eye Surgery Equipment   a/c vacuum pump		China best Cost-Efficient Piston Vacuum Pump for Eye Surgery Equipment   a/c vacuum pump
editor by CX 2023-09-28

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