Tag Archives: micro air vacuum pump

China Standard CHINAMFG Anticorrosion Pump Mini Micro Diaphragm Air Vacuum Pump vacuum pump distributors

Product Description

Biobase Electric High Pressure Mini Micro Diaphragm Air Vacuum Pump

Features

Advantage:

* Oil free,clean exhausted air by built- in filter .

* Automatic cooling exhaust system ensures 24 h operation continuously.

* The pressure adjustable design can satisfy a certain range of vacuum and gas velocity.

(This function does not apply to model GM-0.20)

* surface treatment, anti-gas corrosion.

* orange look for anticorrosive vacuum pump(eg: GM-0.33IIP, GM-0.5P, GM-0.5IIP, GM-1.0P)

Recommended hot products

Technical Parameters

Model	GM-0.20	GM-0.5II	GM-0.5	GM-0.33II	GM-1.0
Pump Head	1	2	1	1	2
Speed of Evacuation	12 L/Min	30 L/Min		20 L/Min	60 L/Min
Ultimate pressure	≥0.075 Mpa	≥0.095 Mpa	≥0.08 Mpa
Vacuum	250 mbar	50 mbar	200 mbar
Pressure	≥30 Psi Positive or negative pressure	Negative pressure	≥30Positive, Positive or negative pressure	Negative pressure	≥30Positive, Positive or negative pressure
Inlet	φ6 mm
Outlet	φ6 mm	Silencer	φ6 mm	Silencer	φ6 mm
Working Temp.	7~40ºC
Body Temp.	<55ºC
Noise Level	<60 dB			<50 dB
Motor Power	75W	160W
Power consumption	AC110/220V±10%, 50/60Hz
Diaphragm	NBR
Valves	/	NBR
Net Weight(kg)	4	10	6.6	6.2	10
Gross Weight(kg)	4.5	11	7.6	7.5	11
External Size (LWH)mm	19598156	300120235	210160235	215120235	300160235
Package Size(LWH)mm	330210240	314205316	300210310	315200310	380340270

Packaging & Shipping

Company Profile

Factory Views:
Founded in 1999, CHINAMFG Group having over 2000 employees (till August, 2018), CHINAMFG Group is a new high-tech enterprise focusing on development, production and management of scientific equipment, In Vitro Diagnosis (IVD) instrument and reagent.

BIOBASE Group is specialized in products of 8 areas including medical diagnosis, biosafety protection, disinfection and sterilization, water purification system, infant care products, cold chain products, software products, clean room project.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	24 Hour Online Technical Support
Warranty:	1 Year
Rated Current:	110/220V
Voltage:	110/220V
Material:	Stainless Steel
Power:	Electric

Samples:	US$ 88/Piece 1 Piece(Min.Order) \|

Customization:	Available \|

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

Considerations for Selecting a Vacuum Pump for Cleanroom Applications

When it comes to selecting a vacuum pump for cleanroom applications, several considerations should be taken into account. Here’s a detailed explanation:

Cleanrooms are controlled environments used in industries such as semiconductor manufacturing, pharmaceuticals, biotechnology, and microelectronics. These environments require strict adherence to cleanliness and particle control standards to prevent contamination of sensitive processes or products. Selecting the right vacuum pump for cleanroom applications is crucial to maintain the required level of cleanliness and minimize the introduction of contaminants. Here are some key considerations:

1. Cleanliness: The cleanliness of the vacuum pump is of utmost importance in cleanroom applications. The pump should be designed and constructed to minimize the generation and release of particles, oil vapors, or other contaminants into the cleanroom environment. Oil-free or dry vacuum pumps are commonly preferred in cleanroom applications as they eliminate the risk of oil contamination. Additionally, pumps with smooth surfaces and minimal crevices are easier to clean and maintain, reducing the potential for particle buildup.

2. Outgassing: Outgassing refers to the release of gases or vapors from the surfaces of materials, including the vacuum pump itself. In cleanroom applications, it is crucial to select a vacuum pump with low outgassing characteristics to prevent the introduction of contaminants into the environment. Vacuum pumps specifically designed for cleanroom use often undergo special treatments or use materials with low outgassing properties to minimize this effect.

3. Particle Generation: Vacuum pumps can generate particles due to the friction and wear of moving parts, such as rotors or vanes. These particles can become a source of contamination in cleanrooms. When selecting a vacuum pump for cleanroom applications, it is essential to consider the pump’s particle generation level and choose pumps that have been designed and tested to minimize particle emissions. Pumps with features like self-lubricating materials or advanced sealing mechanisms can help reduce particle generation.

4. Filtration and Exhaust Systems: The filtration and exhaust systems associated with the vacuum pump are critical for maintaining cleanroom standards. The vacuum pump should be equipped with efficient filters that can capture and remove any particles or contaminants generated during operation. High-quality filters, such as HEPA (High-Efficiency Particulate Air) filters, can effectively trap even the smallest particles. The exhaust system should be properly designed to ensure that filtered air is released outside the cleanroom or passes through additional filtration before being reintroduced into the environment.

5. Noise and Vibrations: Noise and vibrations generated by vacuum pumps can have an impact on cleanroom operations. Excessive noise can affect the working environment and compromise communication, while vibrations can potentially disrupt sensitive processes or equipment. It is advisable to choose vacuum pumps specifically designed for quiet operation and that incorporate measures to minimize vibrations. Pumps with noise-dampening features and vibration isolation systems can help maintain a quiet and stable cleanroom environment.

6. Compliance with Standards: Cleanroom applications often have specific industry standards or regulations that must be followed. When selecting a vacuum pump, it is important to ensure that it complies with relevant cleanroom standards and requirements. Considerations may include ISO cleanliness standards, cleanroom classification levels, and industry-specific guidelines for particle count, outgassing levels, or allowable noise levels. Manufacturers that provide documentation and certifications related to cleanroom suitability can help demonstrate compliance.

7. Maintenance and Serviceability: Proper maintenance and regular servicing of vacuum pumps are essential for their reliable and efficient operation. When choosing a vacuum pump for cleanroom applications, consider factors such as ease of maintenance, availability of spare parts, and access to service and support from the manufacturer. Pumps with user-friendly maintenance features, clear service instructions, and a responsive customer support network can help minimize downtime and ensure continued cleanroom performance.

In summary, selecting a vacuum pump for cleanroom applications requires careful consideration of factors such as cleanliness, outgassing characteristics, particle generation, filtration and exhaust systems, noise and vibrations, compliance with standards, and maintenance requirements. By choosing vacuum pumps designed specifically for cleanroom use and considering these key factors, cleanroom operators can maintain the required level of cleanliness and minimize the risk of contamination in their critical processes and products.

vacuum pump

Are There Different Types of Vacuum Pumps Available?

Yes, there are various types of vacuum pumps available, each designed to suit specific applications and operating principles. Here’s a detailed explanation:

Vacuum pumps are classified based on their operating principles, mechanisms, and the type of vacuum they can generate. Some common types of vacuum pumps include:

1. Rotary Vane Vacuum Pumps:

– Description: Rotary vane pumps are positive displacement pumps that use rotating vanes to create a vacuum. The vanes slide in and out of slots in the pump rotor, trapping and compressing gas to create suction and generate a vacuum.

– Applications: Rotary vane vacuum pumps are widely used in applications requiring moderate vacuum levels, such as laboratory vacuum systems, packaging, refrigeration, and air conditioning.

2. Diaphragm Vacuum Pumps:

– Description: Diaphragm pumps use a flexible diaphragm that moves up and down to create a vacuum. The diaphragm separates the vacuum chamber from the driving mechanism, preventing contamination and oil-free operation.

– Applications: Diaphragm vacuum pumps are commonly used in laboratories, medical equipment, analysis instruments, and applications where oil-free or chemical-resistant vacuum is required.

3. Scroll Vacuum Pumps:

– Description: Scroll pumps have two spiral-shaped scrolls—one fixed and one orbiting—which create a series of moving crescent-shaped gas pockets. As the scrolls move, gas is continuously trapped and compressed, resulting in a vacuum.

– Applications: Scroll vacuum pumps are suitable for applications requiring a clean and dry vacuum, such as analytical instruments, vacuum drying, and vacuum coating.

4. Piston Vacuum Pumps:

– Description: Piston pumps use reciprocating pistons to create a vacuum by compressing gas and then releasing it through valves. They can achieve high vacuum levels but may require lubrication.

– Applications: Piston vacuum pumps are used in applications requiring high vacuum levels, such as vacuum furnaces, freeze drying, and semiconductor manufacturing.

5. Turbo Molecular Vacuum Pumps:

– Description: Turbo pumps use high-speed rotating blades or impellers to create a molecular flow, continuously pumping gas molecules out of the system. They typically require a backing pump to operate.

– Applications: Turbo molecular pumps are used in high vacuum applications, such as semiconductor fabrication, research laboratories, and mass spectrometry.

6. Diffusion Vacuum Pumps:

– Description: Diffusion pumps rely on the diffusion of gas molecules and their subsequent removal by a high-speed jet of vapor. They operate at high vacuum levels and require a backing pump.

– Applications: Diffusion pumps are commonly used in applications requiring high vacuum levels, such as vacuum metallurgy, space simulation chambers, and particle accelerators.

7. Cryogenic Vacuum Pumps:

– Description: Cryogenic pumps use extremely low temperatures to condense and capture gas molecules, creating a vacuum. They rely on cryogenic fluids, such as liquid nitrogen or helium, for operation.

– Applications: Cryogenic vacuum pumps are used in ultra-high vacuum applications, such as particle physics research, material science, and fusion reactors.

These are just a few examples of the different types of vacuum pumps available. Each type has its advantages, limitations, and suitability for specific applications. The choice of vacuum pump depends on factors like required vacuum level, gas compatibility, reliability, cost, and the specific needs of the application.

China Standard CHINAMFG Anticorrosion Pump Mini Micro Diaphragm Air Vacuum Pump vacuum pump distributors
editor by Dream 2024-04-22

China Good quality 3V To12V Micro Electric Mini Vacuum Diaphragm Air Pump Compress Pums wholesaler

Product Description

Features
1. Life: Expected life span is >=30,000 Times(on 10s/off 5s).

2. Low noise: ≤60dB, far from 30cm distance.

3. Working conditions: Applying to indoor and outdoor under temperature 60 deg C.

4. Have suction function. can run continuously.

5. It can be powered directly by a Solar panel, DC electric source, or battery.

Dimensional drawing and working curve diagram

Widely used for Home appliances,medical,blackhead meters, breast pumps, vacuum packaging machines, massage
machines, foam hand sanitizers, teeth flushers and other products; household appliances, medical treatment, beauty,
massagers,adult products,Sphygmomanometers, Essential oil machines,Booster technology etc. Industries

We supply Full Customization Service, please contact us for the details.

Certifications

Our Advantages

FAQ

Do you accept OEM/ODM Service?
Yes, we have been the professional OEM/ODM supplier for many years.

What’s your main products?
Brushless dc water pump, drinking pump, solar pump, submersible pump, centrifugal pump, diaphragm pump, booster
pump, etc… for many years we develop the products with our client together, also customize the products they want.

How can I choose the pump?
We can study together for the using purpose, specification in the working condition, then we will suggest you the
most suitable 1 from our products range.

What’s your product MOQ?
We accept sample order, the MOQ can be negotiated.

How long is your delivery time?
Sample order within 1 week. Bulk order within 25 days. If the pumps in stock, within2 days.

How long is your warranty of pump?

Warranty is 1 year, can be repaired free of charge

What’s the payment method?
By Trade Assurance, Paypal, T/T, L/C, Western Union, etc…

What certificates have your pumps passed?
All our products have passed CE, RoHs, Reach. Parts of pumps met UL.

How do you ship the goods?
Shipping by express (sample order) and by air or by sea (bulk order). Pls contact us before order because the freight
fee base on quantity

What’s your port of loading?
HangZhou port, HangZhou port, HangZhou port, for other we can communicate it.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Certification:	RoHS, CE
Voltage:	Low Pressure
Material:	ABS
Trademark:	Desun
Origin:	China, Dongguan

Samples:	US$ 5/Piece 1 Piece(Min.Order) \|

Customization:	Available \|

vacuum pump

How Do You Maintain and Troubleshoot Vacuum Pumps?

Maintaining and troubleshooting vacuum pumps is essential to ensure their optimal performance and longevity. Here’s a detailed explanation:

Maintenance of Vacuum Pumps:

1. Regular Inspection: Perform regular visual inspections of the pump to check for any signs of damage, leaks, or abnormal wear. Inspect the motor, belts, couplings, and other components for proper alignment and condition.

2. Lubrication: Follow the manufacturer’s guidelines for lubrication. Some vacuum pumps require regular oil changes or lubrication of moving parts. Ensure that the correct type and amount of lubricant are used.

3. Oil Level Check: Monitor the oil level in oil-sealed pumps and maintain it within the recommended range. Add or replace oil as necessary, following the manufacturer’s instructions.

4. Filter Maintenance: Clean or replace filters regularly to prevent clogging and ensure proper airflow. Clogged filters can impair pump performance and increase energy consumption.

5. Cooling System: If the vacuum pump has a cooling system, inspect it regularly for cleanliness and proper functioning. Clean or replace cooling components as needed to prevent overheating.

6. Seals and Gaskets: Check the seals and gaskets for signs of wear or leakage. Replace any damaged or worn seals promptly to maintain airtightness.

7. Valve Maintenance: If the vacuum pump includes valves, inspect and clean them regularly to ensure proper operation and prevent blockages.

8. Vibration and Noise: Monitor the pump for excessive vibration or unusual noise, which may indicate misalignment, worn bearings, or other mechanical issues. Address these issues promptly to prevent further damage.

Troubleshooting Vacuum Pump Problems:

1. Insufficient Vacuum Level: If the pump is not achieving the desired vacuum level, check for leaks in the system, improper sealing, or worn-out seals. Inspect valves, connections, and seals for leaks and repair or replace as needed.

2. Poor Performance: If the pump is not providing adequate performance, check for clogged filters, insufficient lubrication, or worn-out components. Clean or replace filters, ensure proper lubrication, and replace worn parts as necessary.

3. Overheating: If the pump is overheating, check the cooling system for blockages or insufficient airflow. Clean or replace cooling components and ensure proper ventilation around the pump.

4. Excessive Noise or Vibration: Excessive noise or vibration may indicate misalignment, worn bearings, or other mechanical issues. Inspect and repair or replace damaged or worn parts. Ensure proper alignment and balance of rotating components.

5. Motor Issues: If the pump motor fails to start or operates erratically, check the power supply, electrical connections, and motor components. Test the motor using appropriate electrical testing equipment and consult an electrician or motor specialist if necessary.

6. Excessive Oil Consumption: If the pump is consuming oil at a high rate, check for leaks or other issues that may be causing oil loss. Inspect seals, gaskets, and connections for leaks and repair as needed.

7. Abnormal Odors: Unusual odors, such as a burning smell, may indicate overheating or other mechanical problems. Address the issue promptly and consult a technician if necessary.

8. Manufacturer Guidelines: Always refer to the manufacturer’s guidelines and recommendations for maintenance and troubleshooting specific to your vacuum pump model. Follow the prescribed maintenance schedule and seek professional assistance when needed.

By following proper maintenance procedures and promptly addressing any troubleshooting issues, you can ensure the reliable operation and longevity of your vacuum pump.

vacuum pump

Can Vacuum Pumps Be Used in the Production of Solar Panels?

Yes, vacuum pumps are extensively used in the production of solar panels. Here’s a detailed explanation:

Solar panels, also known as photovoltaic (PV) panels, are devices that convert sunlight into electricity. The manufacturing process of solar panels involves several critical steps, many of which require the use of vacuum pumps. Vacuum technology plays a crucial role in ensuring the efficiency, reliability, and quality of solar panel production. Here are some key areas where vacuum pumps are utilized:

1. Silicon Ingot Production: The first step in solar panel manufacturing is the production of silicon ingots. These ingots are cylindrical blocks of pure crystalline silicon that serve as the raw material for solar cells. Vacuum pumps are used in the Czochralski process, which involves melting polycrystalline silicon in a quartz crucible and then slowly pulling a single crystal ingot from the molten silicon. Vacuum pumps create a controlled environment by removing impurities and preventing contamination during the crystal growth process.

2. Wafering: After the silicon ingots are produced, they undergo wafering, where the ingots are sliced into thin wafers. Vacuum pumps are used in wire saws to create a low-pressure environment that helps to cool and lubricate the cutting wire. The vacuum also assists in removing the silicon debris generated during the slicing process, ensuring clean and precise cuts.

3. Solar Cell Production: Vacuum pumps play a significant role in various stages of solar cell production. Solar cells are the individual units within a solar panel that convert sunlight into electricity. Vacuum pumps are used in the following processes:

– Diffusion: In the diffusion process, dopants such as phosphorus or boron are introduced into the silicon wafer to create the desired electrical properties. Vacuum pumps are utilized in the diffusion furnace to create a controlled atmosphere for the diffusion process and remove any impurities or gases that may affect the quality of the solar cell.

– Deposition: Thin films of materials such as anti-reflective coatings, passivation layers, and electrode materials are deposited onto the silicon wafer. Vacuum pumps are used in various deposition techniques like physical vapor deposition (PVD) or chemical vapor deposition (CVD) to create the necessary vacuum conditions for precise and uniform film deposition.

– Etching: Etching processes are employed to create the desired surface textures on the solar cell, which enhance light trapping and improve efficiency. Vacuum pumps are used in plasma etching or wet etching techniques to remove unwanted material or create specific surface structures on the solar cell.

4. Encapsulation: After the solar cells are produced, they are encapsulated to protect them from environmental factors such as moisture and mechanical stress. Vacuum pumps are used in the encapsulation process to create a vacuum environment, ensuring the removal of air and moisture from the encapsulation materials. This helps to achieve proper bonding and prevents the formation of bubbles or voids, which could degrade the performance and longevity of the solar panel.

5. Testing and Quality Control: Vacuum pumps are also utilized in testing and quality control processes during solar panel production. For example, vacuum systems can be used for leak testing to ensure the integrity of the encapsulation and to detect any potential defects or leaks in the panel assembly. Vacuum-based measurement techniques may also be employed for assessing the electrical characteristics and efficiency of the solar cells or panels.

In summary, vacuum pumps are integral to the production of solar panels. They are used in various stages of the manufacturing process, including silicon ingot production, wafering, solar cell production (diffusion, deposition, and etching), encapsulation, and testing. Vacuum technology enables precise control, contamination prevention, and efficient processing, contributing to the production of high-quality and reliable solar panels. vacuum pump

How Do You Choose the Right Size Vacuum Pump for a Specific Application?

Choosing the right size vacuum pump for a specific application involves considering several factors to ensure optimal performance and efficiency. Here’s a detailed explanation:

1. Required Vacuum Level: The first consideration is the desired vacuum level for your application. Different applications have varying vacuum level requirements, ranging from low vacuum to high vacuum or even ultra-high vacuum. Determine the specific vacuum level needed, such as microns of mercury (mmHg) or pascals (Pa), and choose a vacuum pump capable of achieving and maintaining that level.

2. Pumping Speed: The pumping speed, also known as the displacement or flow rate, is the volume of gas a vacuum pump can remove from a system per unit of time. It is typically expressed in liters per second (L/s) or cubic feet per minute (CFM). Consider the required pumping speed for your application, which depends on factors such as the volume of the system, the gas load, and the desired evacuation time.

3. Gas Load and Composition: The type and composition of the gas or vapor being pumped play a significant role in selecting the right vacuum pump. Different pumps have varying capabilities and compatibilities with specific gases. Some pumps may be suitable for pumping only non-reactive gases, while others can handle corrosive gases or vapors. Consider the gas load and its potential impact on the pump’s performance and materials of construction.

4. Backing Pump Requirements: In some applications, a vacuum pump may require a backing pump to reach and maintain the desired vacuum level. A backing pump provides a rough vacuum, which is then further processed by the primary vacuum pump. Consider whether your application requires a backing pump and ensure compatibility and proper sizing between the primary pump and the backing pump.

5. System Leakage: Evaluate the potential leakage in your system. If your system has significant leakage, you may need a vacuum pump with a higher pumping speed to compensate for the continuous influx of gas. Additionally, consider the impact of leakage on the required vacuum level and the pump’s ability to maintain it.

6. Power Requirements and Operating Cost: Consider the power requirements of the vacuum pump and ensure that your facility can provide the necessary electrical supply. Additionally, assess the operating cost, including energy consumption and maintenance requirements, to choose a pump that aligns with your budget and operational considerations.

7. Size and Space Constraints: Take into account the physical size of the vacuum pump and whether it can fit within the available space in your facility. Consider factors such as pump dimensions, weight, and the need for any additional accessories or support equipment.

8. Manufacturer’s Recommendations and Expert Advice: Consult the manufacturer’s specifications, guidelines, and recommendations for selecting the right pump for your specific application. Additionally, seek expert advice from vacuum pump specialists or engineers who can provide insights based on their experience and knowledge.

By considering these factors and evaluating the specific requirements of your application, you can select the right size vacuum pump that meets the desired vacuum level, pumping speed, gas compatibility, and other essential criteria. Choosing the appropriate vacuum pump ensures efficient operation, optimal performance, and longevity for your application.

China Good quality 3V To12V Micro Electric Mini Vacuum Diaphragm Air Pump Compress Pums wholesaler
editor by CX 2024-03-27

China Standard Micro Vacuum Suction Diaphragm Air Pump vacuum pump design

Product Description

Micro Vacuum Suction Diaphragm Air Pump

1.Powerful small size
2.Diaphragm made of EPDM, it have good corrosion resistance of alcohols, acids, bases, oxidants, ketones, and grease and other chemicals.Chemical stability, oil resistance is poor.
3.Well sealed
4.Small noise
5.Can run dry, high durability, maintenance-free

Product Data

Diaphragm pump type

Air Pump

Motor type

Brushless DC Motor

model

TYY8 China, HangZhou, ZHangZhoug, China.

ONEREEL is specialized in the design and manufacture Steel Spools, Plastic Spools, Cable roller, Yarn Bobbin, aluminum spool , Cable Reel Stand, Sheave Pulley, Cable Conveyor, Hydraulic Puller Tensioner, Gin Poles, Cable Pulling Winch, Safety Tools, Wire Grip, Plastic Parts, and Pump in the industry since 1991. All of our customer spool and wire carrier are engineered and manufactured in our 120,000 square foot state-of-the-art manufacturing plant located in HangZhou, ZHangZhoug.
ONEREEL is specialized in the manufacture of reels for cables and electric wires, iron axles, disc spool for steel cables and various delivery reels. With strong technological capabilities and full series of production equipment. All of our products go through the dynamic and static balance tests. We have passed the quality system certification ISO9001:2000 to ensure the product quality. Following the standards of GB4004-83, JB/T8997, DIN46395 and DIN46397 in productions.

Hot Product

Our Customer

Packaging & Transportation

Authoritative Certificate

FAQ

Q1: Can I get samples?
A: According to spool model and material, we will advise.
Q2: How long is the sample LEAD TIME?
A: For existing samples, it takes 2-3 days. If no stock, we will advise lead time.
Q3: Can you develop new products?
A: Yes, we have new products developing ability and we are good at developing new mold.
Q4: How much is the freight charge?
A: It depends on spool package volume, if small quantity, volume and urgent goods,
we may advise FEDEX or other couriers’ charge for your check.
If volume bigger and by seaway suitable, we provide FOB or CIF price to you.
Q5: What format of the file do you need if I want my own design?
A: We have our own mound workshop and can provide spool or other plastic product developing and injection service.
Q6: How about your service?
A: We have pre-sale service, in-sale service and after-sale service. As “Customer First” is the most important principle of company operation.

After-sales Service:	Forever
Warranty:	One Year
Oil or Not:	Oil Free
Structure:	Diaphragm Pump
Exhauster Method:	Positive Displacement Pump
Vacuum Degree:	-40kpa

Samples:	US$ 22/Piece 1 Piece(Min.Order) \|

Customization:	Available \|

vacuum pump

Can Vacuum Pumps Be Used in the Aerospace Sector?

Vacuum pumps indeed have various applications in the aerospace sector. Here’s a detailed explanation:

Vacuum pumps play a crucial role in several areas of the aerospace industry, supporting various processes and systems. Some of the key applications of vacuum pumps in the aerospace sector include:

1. Space Simulation Chambers: Vacuum pumps are used in space simulation chambers to replicate the low-pressure conditions experienced in outer space. These chambers are utilized for testing and validating the performance and functionality of aerospace components and systems under simulated space conditions. Vacuum pumps create and maintain the necessary vacuum environment within these chambers, allowing engineers and scientists to evaluate the behavior and response of aerospace equipment in space-like conditions.

2. Propellant Management: In space propulsion systems, vacuum pumps are employed for propellant management. They help in the transfer, circulation, and pressurization of propellants, such as liquid rocket fuels or cryogenic fluids, in both launch vehicles and spacecraft. Vacuum pumps assist in creating the required pressure differentials for propellant flow and control, ensuring efficient and reliable operation of propulsion systems.

3. Environmental Control Systems: Vacuum pumps are utilized in the environmental control systems of aircraft and spacecraft. These systems are responsible for maintaining the desired atmospheric conditions, including temperature, humidity, and cabin pressure, to ensure the comfort, safety, and well-being of crew members and passengers. Vacuum pumps are used to regulate and control the cabin pressure, facilitating the circulation of fresh air and maintaining the desired air quality within the aircraft or spacecraft.

4. Satellite Technology: Vacuum pumps find numerous applications in satellite technology. They are used in the fabrication and testing of satellite components, such as sensors, detectors, and electronic devices. Vacuum pumps help create the necessary vacuum conditions for thin film deposition, surface treatment, and testing processes, ensuring the performance and reliability of satellite equipment. Additionally, vacuum pumps are employed in satellite propulsion systems to manage propellants and provide thrust for orbital maneuvers.

5. Avionics and Instrumentation: Vacuum pumps are involved in the production and testing of avionics and instrumentation systems used in aerospace applications. They facilitate processes such as thin film deposition, vacuum encapsulation, and vacuum drying, ensuring the integrity and functionality of electronic components and circuitry. Vacuum pumps are also utilized in vacuum leak testing, where they help create a vacuum environment to detect and locate any leaks in aerospace systems and components.

6. High Altitude Testing: Vacuum pumps are used in high altitude testing facilities to simulate the low-pressure conditions encountered at high altitudes. These testing facilities are employed for evaluating the performance and functionality of aerospace equipment, such as engines, materials, and structures, under simulated high altitude conditions. Vacuum pumps create and control the required low-pressure environment, allowing engineers and researchers to assess the behavior and response of aerospace systems in high altitude scenarios.

7. Rocket Engine Testing: Vacuum pumps are crucial in rocket engine testing facilities. They are utilized to evacuate and maintain the vacuum conditions in engine test chambers or nozzles during rocket engine testing. By creating a vacuum environment, these pumps simulate the conditions experienced by rocket engines in the vacuum of space, enabling accurate testing and evaluation of engine performance, thrust levels, and efficiency.

It’s important to note that aerospace applications often require specialized vacuum pumps capable of meeting stringent requirements, such as high reliability, low outgassing, compatibility with propellants or cryogenic fluids, and resistance to extreme temperatures and pressures.

In summary, vacuum pumps are extensively used in the aerospace sector for a wide range of applications, including space simulation chambers, propellant management, environmental control systems, satellite technology, avionics and instrumentation, high altitude testing, and rocket engine testing. They contribute to the development, testing, and operation of aerospace equipment, ensuring optimal performance, reliability, and safety.

vacuum pump

How Do Vacuum Pumps Assist in Freeze-Drying Processes?

Freeze-drying, also known as lyophilization, is a dehydration technique used in various industries, including pharmaceutical manufacturing. Vacuum pumps play a crucial role in facilitating freeze-drying processes. Here’s a detailed explanation:

During freeze-drying, vacuum pumps assist in the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. The freeze-drying process involves three main stages: freezing, primary drying (sublimation), and secondary drying (desorption).

1. Freezing: In the first stage, the pharmaceutical product is frozen to a solid state. Freezing is typically achieved by lowering the temperature of the product below its freezing point. The frozen product is then placed in a vacuum chamber.

2. Primary Drying (Sublimation): Once the product is frozen, the vacuum pump creates a low-pressure environment within the chamber. By reducing the pressure, the boiling point of water or solvents present in the frozen product is lowered, allowing them to transition directly from the solid phase to the vapor phase through a process called sublimation. Sublimation bypasses the liquid phase, preventing potential damage to the product’s structure.

The vacuum pump maintains a low-pressure environment by continuously removing the water vapor or solvent vapor generated during sublimation. The vapor is drawn out of the chamber, leaving behind the freeze-dried product. This process preserves the product’s original form, texture, and biological activity.

3. Secondary Drying (Desorption): After the majority of the water or solvents have been removed through sublimation, the freeze-dried product may still contain residual moisture or solvents. In the secondary drying stage, the vacuum pump continues to apply vacuum to the chamber, but at a higher temperature. The purpose of this stage is to remove the remaining moisture or solvents through evaporation.

The vacuum pump maintains the low-pressure environment, allowing the residual moisture or solvents to evaporate at a lower temperature than under atmospheric pressure. This prevents potential thermal degradation of the product. Secondary drying further enhances the stability and shelf life of the freeze-dried pharmaceutical product.

By creating and maintaining a low-pressure environment, vacuum pumps enable efficient and controlled sublimation and desorption during the freeze-drying process. They facilitate the removal of water or solvents while minimizing the potential damage to the product’s structure and preserving its quality. Vacuum pumps also contribute to the overall speed and efficiency of the freeze-drying process by continuously removing the vapor generated during sublimation and evaporation. The precise control provided by vacuum pumps ensures the production of stable and high-quality freeze-dried pharmaceutical products.

vacuum pump

How Are Vacuum Pumps Different from Air Compressors?

Vacuum pumps and air compressors are both mechanical devices used to manipulate air and gas, but they serve opposite purposes. Here’s a detailed explanation of their differences:

1. Function:

– Vacuum Pumps: Vacuum pumps are designed to remove or reduce the pressure within a closed system, creating a vacuum or low-pressure environment. They extract air or gas from a chamber, creating suction or negative pressure.

– Air Compressors: Air compressors, on the other hand, are used to increase the pressure of air or gas. They take in ambient air or gas and compress it, resulting in higher pressure and a compacted volume of air or gas.

2. Pressure Range:

– Vacuum Pumps: Vacuum pumps are capable of generating pressures below atmospheric pressure or absolute zero pressure. The pressure range typically extends into the negative range, expressed in units such as torr or pascal.

– Air Compressors: Air compressors, on the contrary, operate in the positive pressure range. They increase the pressure above atmospheric pressure, typically measured in units like pounds per square inch (psi) or bar.

3. Applications:

– Vacuum Pumps: Vacuum pumps have various applications where the creation of a vacuum or low-pressure environment is required. They are used in processes such as vacuum distillation, vacuum drying, vacuum packaging, and vacuum filtration. They are also essential in scientific research, semiconductor manufacturing, medical suction devices, and many other industries.

– Air Compressors: Air compressors find applications where compressed air or gas at high pressure is needed. They are used in pneumatic tools, manufacturing processes, air conditioning systems, power generation, and inflating tires. Compressed air is versatile and can be employed in numerous industrial and commercial applications.

4. Design and Mechanism:

– Vacuum Pumps: Vacuum pumps are designed to create a vacuum by removing air or gas from a closed system. They may use mechanisms such as positive displacement, entrapment, or momentum transfer to achieve the desired vacuum level. Examples of vacuum pump types include rotary vane pumps, diaphragm pumps, and diffusion pumps.

– Air Compressors: Air compressors are engineered to compress air or gas, increasing its pressure and decreasing its volume. They use mechanisms like reciprocating pistons, rotary screws, or centrifugal force to compress the air or gas. Common types of air compressors include reciprocating compressors, rotary screw compressors, and centrifugal compressors.

5. Direction of Air/Gas Flow:

– Vacuum Pumps: Vacuum pumps draw air or gas into the pump and then expel it from the system, creating a vacuum within the chamber or system being evacuated.

– Air Compressors: Air compressors take in ambient air or gas and compress it, increasing its pressure and storing it in a tank or delivering it directly to the desired application.

While vacuum pumps and air compressors have different functions and operate under distinct pressure ranges, they are both vital in various industries and applications. Vacuum pumps create and maintain a vacuum or low-pressure environment, while air compressors compress air or gas to higher pressures for different uses and processes.

China Standard Micro Vacuum Suction Diaphragm Air Pump vacuum pump design
editor by CX 2023-11-09

China Hot selling CZPT Electric High Pressure Mini Micro Diaphragm Air Vacuum Pump manufacturer

Product Description

Biobase Electric High Pressure Mini Micro Diaphragm Air Vacuum Pump

Features

Advantage:

* Oil free,clean exhausted air by built- in filter .

* Automatic cooling exhaust system ensures 24 h operation continuously.

* The pressure adjustable design can satisfy a certain range of vacuum and gas velocity.

(This function does not apply to model GM-0.20)

* surface treatment, anti-gas corrosion.

* orange look for anticorrosive vacuum pump(eg: GM-0.33IIP, GM-0.5P, GM-0.5IIP, GM-1.0P)

Recommended hot products

Technical Parameters

Model	GM-0.20	GM-0.5II	GM-0.5	GM-0.33II	GM-1.0
Pump Head	1	2	1	1	2
Speed of Evacuation	12 L/Min	30 L/Min		20 L/Min	60 L/Min
Ultimate pressure	≥0.075 Mpa	≥0.095 Mpa	≥0.08 Mpa
Vacuum	250 mbar	50 mbar	200 mbar
Pressure	≥30 Psi Positive or negative pressure	Negative pressure	≥30Positive, Positive or negative pressure	Negative pressure	≥30Positive, Positive or negative pressure
Inlet	φ6 mm
Outlet	φ6 mm	Silencer	φ6 mm	Silencer	φ6 mm
Working Temp.	7~40ºC
Body Temp.	<55ºC
Noise Level	<60 dB			<50 dB
Motor Power	75W	160W
Power consumption	AC110/220V±10%, 50/60Hz
Diaphragm	NBR
Valves	/	NBR
Net Weight(kg)	4	10	6.6	6.2	10
Gross Weight(kg)	4.5	11	7.6	7.5	11
External Size (LWH)mm	19598156	300120235	210160235	215120235	300160235
Package Size(LWH)mm	330210240	314205316	300210310	315200310	380340270

Packaging & Shipping

Company Profile

Factory Views:
Founded in 1999, CZPT Group having over 2000 employees (till August, 2018), CZPT Group is a new high-tech enterprise focusing on development, production and management of scientific equipment, In Vitro Diagnosis (IVD) instrument and reagent.

After-sales Service:	24 Hour Online Technical Support
Warranty:	1 Year
Rated Current:	110/220V
Voltage:	110/220V
Material:	Stainless Steel
Power:	Electric

Samples:	US$ 88/Piece 1 Piece(Min.Order) \|

Customization:	Available \|

Vacuum Pump

Basic knowledge of vacuum pump

A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its main job is to create a relative vacuum within a given volume or volumes. There are many types of vacuum pumps. This article will describe how they work, their types, and their applications.

How it works

A vacuum pump is a mechanical device that removes gas from a system by applying it to a higher pressure than the surrounding atmosphere. The working principle of the vacuum pump is based on the principle of gas transfer and entrapment. Vacuum pumps can be classified according to their vacuum level and the number of molecules that can be removed per cubic centimeter of space. In medium to high vacuum, viscous flow occurs when gas molecules collide with each other. Increasing the vacuum causes molecular or transitional flow.
A vacuum pump has several components that make it a versatile tool. One of the main components is the motor, which consists of a rotor and a stator. The rotor and stator contain coils that generate a magnetic field when excited. Both parts must be mounted on a base that supports the weight of the pump. There is also an oil drain that circulates oil throughout the system for lubrication and cooling purposes.
Another type of vacuum pump is the liquid ring vacuum pump. It works by positioning the impeller above or below the blades. Liquid ring pumps can also adjust the speed of the impeller. However, if you plan to use this type of pump, it is advisable to consult a specialist.
Vacuum pumps work by moving gas molecules to areas of higher or lower pressure. As the pressure decreases, the removal of the molecules becomes more difficult. Industrial vacuum systems require pumps capable of operating in the 1 to 10-6 Torr range.

Type

There are different types of vacuum pumps. They are used in many different applications, such as laboratories. The main purpose of these pumps is to remove air or gas molecules from the vacuum chamber. Different types of pumps use different techniques to achieve this. Some types of pumps use positive displacement, while others use liquid ring, molecular transfer, and entrapment techniques.
Some of these pumps are used in industrial processes, including making vacuum tubes, CRTs, electric lights, and semiconductor processing. They are also used in motor vehicles to power hydraulic components and aircraft. The gyroscope is usually controlled by these pumps. In some cases, they are also used in medical settings.
How a vacuum pump works depends on the type of gas being pumped. There are three main types: positive displacement, negative displacement, and momentum transfer. Depending on the type of lubrication, these principles can be further divided into different types of pumps. For example, dry vacuum pumps are less sensitive to gases and vapors.
Another type of vacuum pump is called a rotary vane pump. This type of pump has two main components, the rotor and the vacuum chamber. These pumps work by rotating moving parts against the pump casing. The mating surfaces of rotary pumps are designed with very small clearances to prevent fluid leakage to the low pressure side. They are suitable for vacuum applications requiring low pulsation and high continuous flow. However, they are not suitable for use with grinding media.
There are many types of vacuum pumps and it is important to choose the right one for your application. The type of pump depends on the needs and purpose of the system. The larger ones can work continuously, and the smaller ones are more suitable for intermittent use.

Apply

Vacuum pumps are used in a variety of industrial and scientific processes. For example, they are used in the production of vacuum tubes, CRTs, and electric lamps. They are also used in semiconductor processing. Vacuum pumps are also used as mechanical supports for other equipment. For example, there may be multiple vacuum pumps on the engine of a motor vehicle that powers the hydraulic components of an aircraft. In addition, they are often used in fusion research.
The most common type of vacuum pump used in the laboratory is the rotary vane pump. It works by directing airflow through a series of rotating blades in a circular housing. As the blades pass through the casing, they remove gas from the cavity and create a vacuum. Rotary pumps are usually single or double-stage and can handle pressures between 10 and 6 bar. It also has a high pumping speed.
Vacuum pumps are also used to fabricate solar cells on wafers. This involves a range of processes including doping, diffusion, dry etching, plasma-enhanced chemical vapor deposition, and bulk powder generation. These applications depend on the type of vacuum pump used in the process, and the vacuum pump chosen should be designed for the environment.
While there are several types of vacuum pumps available, their basic working principles remain the same. Each has different functions and capacities, depending on the type of vacuum. Generally divided into positive displacement pump, rotary vane pump, liquid ring pump, and molecular delivery pump.

Maintenance

The party responsible for general maintenance and repairs is the Principal Investigator (PI). Agknxs must be followed and approved by the PI and other relevant laboratory personnel. The Agknx provides guidelines for routine maintenance of vacuum pump equipment. Agknxs are not intended to replace detailed routine inspections of vacuum pump equipment, which should be performed by certified/qualified service personnel. If the device fails, the user should contact PI or RP for assistance.
First, check the vacuum pump for any loose parts. Make sure the inlet and outlet pressure gauges are open. When the proper pressure is shown, open the gate valve. Also, check the vacuum pump head and flow. Flow and head should be within the range indicated on the label. Bearing temperature should be within 35°F and maximum temperature should not exceed 80°F. The vacuum pump bushing should be replaced when it is severely worn.
If the vacuum pump has experienced several abnormal operating conditions, a performance test should be performed. Results should be compared to reference values to identify abnormalities. To avoid premature pump failure, a systematic approach to predictive maintenance is essential. This is a relatively new area in the semiconductor industry, but leading semiconductor companies and major vacuum pump suppliers have yet to develop a consistent approach.
A simplified pump-down test method is proposed to evaluate the performance of vacuum pumps. The method includes simulated aeration field tests and four pump performance indicators. Performance metrics are evaluated under gas-loaded, idle, and gas-load-dependent test conditions.

Cost

The total cost of a vacuum pump consists of two main components: the initial investment and ongoing maintenance costs. The latter is the most expensive component, as it consumes about four to five times the initial investment. Therefore, choosing a more energy-efficient model is a good way to reduce the total system cost and payback period.
The initial cost of a vacuum pump is about $786. Oil-lubricated rotary vane pumps are the cheapest, while oil-free rotary vane pumps are slightly more expensive. Non-contact pumps also cost slightly more. The cost of a vacuum pump is not high, but it is a factor that needs careful consideration.
When choosing a vacuum pump, it is important to consider the type of gas being pumped. Some pumps are only suitable for pumping air, while others are designed to pump helium. Oil-free air has a different pumping rate profile than air. Therefore, you need to consider the characteristics of the medium to ensure that the pump meets your requirements. The cost of a vacuum pump can be much higher than the purchase price, as the daily running and maintenance costs can be much higher.
Lubricated vacuum pumps tend to be more durable and less expensive, but they may require more maintenance. Maintenance costs will depend on the type of gas that needs to be pumped. Lighter gases need to be pumped slowly, while heavier gases need to be pumped faster. The maintenance level of a vacuum pump also depends on how often it needs to be lubricated.
Diaphragm vacuum pumps require regular maintenance and oil changes. The oil in the diaphragm pump should be changed every 3000 hours of use. The pump is also resistant to chemicals and corrosion. Therefore, it can be used in acidic and viscous products.

China Hot selling CZPT Electric High Pressure Mini Micro Diaphragm Air Vacuum Pump manufacturer
editor by CX 2023-10-23

China 12V DC Brushless Motor Mini Gas Pump Lab Sampling Portable Small Electric Diaphragm Air Pump Micro Vacuum Pump with Best Sales

Guarantee: 1 a long time
Personalized help: OEM, ODM, OBM, Application reengineering
Model Variety: AD3BL12
Software: Automotive Market, Biofuel Sector, Industrial Buildings, District Strength, Household Houses, Good Price Gearbox MLGU MLC GEARBOX Transmission 4TH Synchronizer assembly spring For Fiat Ducato Peugeot Boxer Foodstuff and Beverage Market, CZPT OEM, Industrial Boilers, Industrial Utilities, Irrigation and Agriculture, Machining, Marine, Metallic and Tools Manufacturers, Tailored wtf itf taekwondo hand gear taekwondo gloves protector taekwondo hand guard Pharmaceutical business, temperature manage
Horsepower: 2-3L/Min
Electricity Resource: Electric powered
Strain: Low Pressure
Composition: Diaphragm Pump
Cable Length: 15CM
Voltage: 12VDC
Electrical power: 1.6W
motor: DC Brushless Motor
Solution name: DC Brushless Motor Little Diaphragm Pump
Brand: Fluidsmart
Max. Adverse Pressure: -55KPa
Max. Positive Strain:: +90KPa
Dimension: 38.8*24.5*43.3mm
Colour: Black /Silver
Pump Content: PPS
Diaphragm/Valve: EPDM
Fat: 56.2g
Packaging Specifics: with common carton box or tailored.
Port: ZheJiang

Goods Description AD3BL12V Brushless Air Warmth Pump Attributes Optimized pump body to guarantee modest volume, supply largeflow and sustain reasonably low energy consumption.The fuel flow is stable and the motor operates in a vast range. * High efficiency * Minimal leakage charge and air pollution-free of charge sample fuel * Lengthy lifetime>8000hours

Model:	AD3BL12	AD3BL24
Voltage selection:	12Vdc	24Vdc
Maximum flow:	2-3L/min	2-3L/min
Motor kind:	Dc brushless motor	Dc brushless motor
Waterproof quality:	IP00/IP50 customized	IP00/IP50 personalized
Storage environment temp.:	-40℃~60℃	-40℃~60℃
Working atmosphere temp.:	-20℃~50℃	-20℃~50℃
Purple wire link:	positive pole	positive pole
Black wire connection:	negative pole	negative pole

Details Photographs Business Profile FAQ Q:Do you have guarantee for items? A:Yes, every single goods have done reliability examination, you can find merchandise lifetime in the spcification, if any productsfailed in the set time,we can exchange you new. Q: How to choose a suited pump for your application?A: 1.Determine out what pumps do you require, Bubble Function Station Stainless Steel Bubble Tea Counter Kiosk Normal Freezer With Containers Cost For Bubble Tea Shop for air or drinking water? For possitive stress or adverse stress? 2.Know the pump’s voltage,strain, movement price,functioning pattern and life span. 3.Pick the correct pump. 4.Tell us your software then we can give you some great recommendation. Prior to Sale Service ：1. Your inquiry will be immediately replied in 24 hrs.2.Properly-trained and experiencedstaffs will reply your inquiries in fluent English. 3.OEM&ODM welcomed. 4.Free style in accordance to customer’s need.For a lot more product information, please simply click listed here to speak to us, Top High quality Differential Or Differential Equipment Of Truck thank you!

Vacuum Pump

Basic knowledge of vacuum pump

A vacuum pump is used to create a relative vacuum within a sealed volume. These pumps take gas molecules out of the sealed volume and expel them, leaving a partial vacuum. They can be used in a variety of applications, including medicine and laboratory research. This article will cover the basics of vacuum pumps, including how they operate and the materials they use. You will also learn about typical applications and fees.

How it works

A vacuum pump is a pump that removes air from a specific space. These pumps are divided into three types according to their function. Positive displacement pumps are used in the low vacuum range and high vacuum pumps are used in the ultra-high vacuum range. The performance of a vacuum pump depends on the quality of the vacuum it produces.
A vacuum pump creates a partial vacuum above the surrounding atmospheric pressure. The speed of the pump is proportional to the pressure difference between the ambient atmosphere and the base pressure of the pump. Choose a base pressure for a specific process, not the lowest possible pressure in the system.
A scroll pump is also a type of vacuum pump. This type of pump consists of two scrolls, the inner scroll running around the gas volume. It then compresses the gas in a spiral fashion until it reaches the maximum pressure at its center. The inner and outer scrolls are separated by a polymer tip seal that provides an axial seal between them. Its pumping speed ranges from 5.0 to 46 m3/h.
Another type of vacuum pump is the screw pump, which uses two rotating screws in one chamber. The screw in the screw pump is a left-handed screw, and the other is a right-handed screw. The two screws do not touch each other when engaged, preventing contamination of the medium. They also feature high pumping speeds, low operating costs and low maintenance requirements.
The vacuum pump consists of several parts such as rotor and base. These components create an area of low pressure. Gas and water molecules rush into this low pressure area, where they are sucked into the pump. The pump also rotates, preventing fluid leakage to the low pressure side.
The main function of a vacuum pump is to remove gas particles from an enclosed space. It does this by changing gas molecules between high and low pressure states. A vacuum pump can also generate a partial vacuum. There are several types of vacuum pumps, each designed to perform a specific function, so it is important to choose the right type for your application.

Vacuum Pump Materials

There are two main materials used in vacuum pumps: metal and polyethylene. Metal is more durable, while polyethylene is cheaper and more flexible. However, these materials are not suitable for high pressure and may cause damage. Therefore, if you want to design a high-pressure pump, it is best to use metal materials.
Vacuum pumps are required in a variety of industrial environments and manufacturing processes. The most common vacuum pump is a positive displacement vacuum pump, which transports a gas load from the inlet to the outlet. The main disadvantage of this pump is that it can only generate a partial vacuum; higher vacuums must be achieved through other techniques.
Materials used in vacuum pumps vary from high to rough vacuum pumps. Low pressure ranges are typically below 1 x 10-3 mbar, but high vacuum pumps are used for extreme vacuum. They also differ in manufacturing tolerances, seals used, materials used and operating conditions.
The choice of vacuum pump material depends on the process. The vacuum range and ultimate pressure of the system must be carefully analyzed to find the right material for the job. Depending on the purpose of the pump, a variety of materials can be used, from ceramic to plastic substrates. When choosing a vacuum pump material, be sure to consider its durability and corrosion resistance.
Dry and wet vacuum pumps use oil to lubricate internal parts. This prevents wear of the pump due to corrosion. These types of pumps are also recommended for continuous use and are ideal for applications where the gas is acidic or corrosive. Therefore, they are widely used in the chemical and food industries. They are also used in rotary evaporation and volatile compound processing.
Positive displacement pumps are the most common type. They work by letting gas flow into a cavity and venting it into the atmosphere. Additionally, momentum transfer pumps, also known as molecular pumps, use high-velocity jets of high-density fluids to transport air and gases. These pumps are also used for medical purposes.

Typical application

Vacuum pumps are used to remove large amounts of air and water from the process. They are used in various industries to improve performance. For example, liquid ring vacuum pumps are used in packaging production to produce plastic sheets in the desired shape and size. Large-capacity suction pumps are used in the chemical industry to improve the surface properties of materials and speed up filtration.
There are two basic principles of vacuum pumps: entrapment and gas transfer. Positive displacement pumps are suitable for low to medium vacuums, while momentum transfer and retention pumps are suitable for high vacuums. Typically, high vacuum systems use two or more pumps working in series.
There are three main categories of vacuum pumps: primary, booster, and secondary. Their working pressure ranges from a few millimeters above atmospheric pressure. They also have several different technologies, including positive displacement, gas transfer, and gas capture. These pumps transport gas molecules through momentum exchange. Typically, they release gas molecules at roughly the same rate as they entered. When the process is complete, the gas molecules are slightly above atmospheric pressure. The discharge pressure is equal to the lowest pressure achieved, which is the compression ratio.
Vacuum pumps are widely used in all walks of life. They can be found in almost every industrial sector, including food processing. For example, they are used to make sausages and food products. In addition, they are used in landfill and digester compressors. They can also be used to build solar panels.
Oil lubricated vacuum pumps are currently the most energy-efficient vacuum pumps. These pumps are suitable for a variety of industrial applications including freeze drying and process engineering. These pumps use oil as a sealant and coolant, which makes them ideal for a variety of applications. These pumps are also very sensitive to vibration.
Another type of vacuum pump is a turbomolecular pump. These pumps have multiple stages and angled vanes. Unlike mechanical pumps, turbomolecular pumps sweep out larger areas at higher pumping speeds. In addition, they can generate ultra-high oil-free vacuums. Additionally, they have no moving parts, which makes them ideal for high vacuum pressures.
Vacuum Pump

Vacuum Pump Cost

Annual maintenance costs for vacuum pumps range from $242 to $337. The energy consumption of the vacuum pump is also a consideration, as it consumes electricity throughout its operating cycle. For example, an electric motor for a 1 hp pump uses 0.55 kW/hr, which equates to 2,200 kWh of energy per year.
Energy cost is the largest part of the total cost of a vacuum pump. They are usually four to five times higher than the initial purchase price. Therefore, choosing a more energy efficient system can reduce the total cost of ownership and extend the payback period. For many clients, this can be millions of dollars.
A vacuum pump works by compressing gas as it enters a chamber. This pushes the gas molecules towards the exhaust. The exhaust gas is then vented to the atmosphere. A special spring-loaded vane seals the pump’s chamber, creating an airtight seal. Specially formulated oils are also used to lubricate, cool and seal rotors.
Vacuum pumps are not cheap, but they have many advantages over water suction. One of the main advantages of vacuum pumps is their flexibility and reliability. This is an industry-proven solution that has been around for years. However, the initial cost of a vacuum pump is higher than that of a water aspirator.
If the vacuum pump fails unexpectedly, replacement costs can be high. Proper maintenance can extend the life of your system and prevent unplanned downtime. However, no one can predict when a pump will fail, and if a pump does fail, the cost can far exceed the cost of buying a new pump. Therefore, investing in preventive maintenance is a wise investment.
There are many types of vacuum pumps, not all of which are suitable for the same type of application. Make sure to choose a pump with the power required for the job. It should also be able to handle a variety of samples.

China 12V DC Brushless Motor Mini Gas Pump Lab Sampling Portable Small Electric Diaphragm Air Pump Micro Vacuum Pump with Best Sales
editor by CX 2023-07-04

China Hot selling Vshida Wholesale High Flow Electric Dc 12v Micro Mini Air Vacuum Pump for Massager Chair vacuum pump brakes

Warranty: 3months-1year
Model Number: VAP-3604
Usage: BOAT, Car, Home Appliance, Cosmetic instrument, SMART HOME
Type: Micro Motor
Torque: 0.05~3.5Nm
Construction: Diaphragm pump
Commutation: Brushless
Protect Feature: Waterproof
Speed(RPM): Customized
Continuous Current(A): ≤2000 mA
Efficiency: IE 1
Rated Voltage: DC 24V
Rated Current: ≤600 mA
Max Pressure: ≥450mmHg
Air Flow: ≥13 LPM
Inflation Time (0mmHg- 300mmHg): ≤5S (1500cc)
Leakage: ≤15mmHg/min
Noise Withload: ≤63dB
Life test: ≥400H
Customized: accept
Size: 30mm*104.5mm
Packaging Details: Micro motor packing: Carton Box Our standard shipping mark for each model is as below Q’ty: pcs N.W.: kgs G.W.: kgs Meas.: L*H*W cm Your own shipping instruction is welcome.
Port: HangZhou or HongKong

Product Paramenters

RATED VOLTAGE	RATED CURRENT	MAX PRESSURE	Air Flow	Inflation Time	Leakage	Noise Withload	Life test
DC 6.0V	≤2000mA	≥450mmHg	≥13LPM	≤5S（1500cc）	≤15mmHg/min	≤63dB	≥400H
DC12.0 V	≤1000mA	≥450mmHg	≥13LPM	≤5S（1500cc）	≤15mmHg/min	≤63dB	≥400H
DC24.0 V	≤600mA	≥450mmHg	≥13LPM	≤5S（1500cc）	≤15mmHg/min	≤63dB	≥400H

Motor Outline Customizable items: air nozzle direction (air inlet and outlet), flow rate, pressure, motor (length, thickness, life), etc.For special needs, please contact us. Detailed Images Special steel plate, fully automatic metal stamping forming, high precision, good copper core, accurate size specifications Rotor: pure copper wire winding, high-quality iron core, power saving, durable, low noise, low calorific value, reduced energyloss, reduced current resistance, good electrical conductivity Bearings：Oil-impregnated bearings, ball bearings, red copper base, pure copper base and other diversified bearings, configuredaccording to customer needs Application Motors are widely used in medical, industrial, beauty, maternal and child CZPT care, smart home, vehicle, drone, office, model aircraft, toy models, power tools, fitness equipment, robots, banking, communication equipment and other fields We are a micro-motor manufacturer with an independent R&D team, developing at least 1 new type of motor a month, which can be customized according to customer needs Our Factory The factory area is over 10,000 square meters, with more than 40 automated production lines, more than 300 automated equipment, over 500 employees, and a daily output of over 200,000 motors. High quality assurance, high degree of automation, to meet your large-scale orders Why Choose Us Why choose us1. Factory direct production and sales, integrated service2. Strong research and development capabilities, with its own production and research and development team3. Strong production capacity, the daily output of motors exceeds 200,000 units.4. High quality assurance, durable, fashionable and beautiful.5. Professional services to provide you with satisfactory solutions.6. Perfect service system, reply your inquiry within 24 hours.7. Timely delivery and 95% delivery accuracy.8. Can be customized according to customer needs.9. Provide OEM and ODM services. Packing&Shipping FAQ 1. Can you give me a price list?A: All our motors are customized according to different requirements of life, noise, voltage, shaft, etc. Prices also vary based on annual quantities. So it is difficult for us to provide a price list. If you can share your detailed requirements and annual quantities, we’ll see what we can offer.2. If I have a product that I want to make with other special materials, can you make it? A: Of course, you only need to provide us with design drawings or samples. We have an independent R&D department, which can customize the design according to customer needs to meet your customized needs. We have a professional design team that can design products according to your requirements. .We can develop new products according to your samples or drawings, and we will give you the most satisfactory answer. 3. Do you provide OEM or ODM service? Can you produce according to our drawings? Yes. We provide OEM and ODM services, and a complete after-sales service system to ensure that your inquiry will be restored within 24 hours, ensuring worry-free after-sales4. Q: Which shipping method can be used? A: DHL, UPS, FedEx, TNT, EMS, China Post, and shipping are all available. Other shipping methods are also available, if you need to ship by other shipping methods, please contact us in advance.5. Are you a manufacturer or a trading company?A: We are a professional manufacturer with more than 11 years of experience, specializing in the production of brushed DC motors, brushless DC motors, hollow cup motors, geared motors, hub motors, pumps and other products, the diameter range of brushed motors is 10-60mm , the voltage range is 0.6V-48V, the diameter of the brushless motor is 16-120mm, and the voltage is 3.5-310V. 6. Q: How to pay?A: We accept T/T, PayPal payment and other payment methods, please contact us before paying with other payment methods. A 30-50% deposit is provided, and the balance is paid before shipment.7. Q: How long does it take to produce samples?A: For conventional models, our production time for samples is 3-5 days, and the time for developing new models is about 25 days. Our independent R&D team has absolute advantages in developing new models.8.Q: How long is the regular delivery time?A: The general delivery time is 15-25 days. The specific delivery time will vary according to the number of customer orders and the season. If your order is urgent, we are willing to work overtime for free.

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.

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.

Apply

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.

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

Install

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 Hot selling Vshida Wholesale High Flow Electric Dc 12v Micro Mini Air Vacuum Pump for Massager Chair vacuum pump brakes
editor by czh

China Standard High Pressure DC Double Headed Electric Air Micro Vacuum Diaphragm Pump for Gas Transmission wholesaler

Solution Description

HangZhou Jiebeyi Fluid Technology Co., Ltd. It is a technological innovation enterprise focusing on the investigation, growth, creation and product sales of micro diaphragm pump and CZPT pump. It is positioned in HangZhou City, ZheJiang Province, a gorgeous drinking water city in the south of the Yangtze River.Our company has numerous a long time of analysis and improvement expertise, merchandise parameters are complete in line with RoHS, CE global specifications, can be customized on demand from customers, matching analysis and advancement, huge-scale generation capability is stable.Organization considering that its inception, usually adhere to the talent for this, the theory of sincerity, gathers together the business elite, the overseas sophisticated data technologies, administration approaches and company expertise and the actuality of domestic enterprises, for enterprises to supply a complete assortment of options, assist enterprises to increase administration level and production capability, make the business in the intense market opposition often adhere to the competitiveness and understand the speedy and secure development.With the best items, the greatest service and the very best track record, HangZhou Jiebeyi Fluid Technology Co., Ltd. has created outstanding achievements in many fields, such as domestic universities, investigation institutes, medical establishments, splendor institutions, chemical enterprises, and so forth., and concluded several supporting companies. We are also ready to turn out to be your most dependable prolonged-term companion.

Basic knowledge of vacuum pump

How it works

Type

Apply

Maintenance

Cost

china shop Wholesale Massage Chair High Pressure Electric DC 12V Micro Mini Air Vacuum Pump manufacturers

Solution Description

Packing & Shipping
Packaging Specifics: CZPT Carton Box ,Outdoors With Pallet.
Supply Time: Less Than 10000PCS Throughout 15 Times.
Port: HangZhou,HangZhou,HangZhou,ZheJiang ,HangZhou.

Item Description
The Specification Of Micro Air Pump
Application:
Massage Heath Care Equipments ( Massage Chair, Therapeutic massage Cushion, Massage mattress and Massage Mattress Foot Massage so on)
Healthcare Equipments (Blood Force Monitor, Air Strain Therapeutic massage, Client Keep track of so on )
Home Application(Anti-snore Apparatus, Memory Pillow, Coffee CZPT , H2o Purifier, CZPT Pump so on )

Product	OMK-A18
Rated Voltage	DV 12V	DC 24V
Rated Current	<1100mA	<600mA
Air Flow	15-18LPM	15-18LPM
Maximum Force	>70Kpa	>70Kpa
Sound	<60dB	<60dB
Leakage	≤15mmHg/Min
Inflation Time	≤5s (1500 CC Container)
Pipe Diameter	Φ7mm
Dimension	Φ60x116mm

Dimension (mm)

This vacuum pump is developed for further vacuums down to 75 microns. Precision machined primary pumps eliminate dampness from air conditioning systems for safe refrigerant addition. This one-stage vacuum pump is best for automotive air conditioning, HVAC function, and other operations that call for a substantial vacuum from a compact pump. First stage vacuum to seventy five microns Durable die-forged aluminum housing and handy prime take care of Simple to use
china shop Wholesale Massage Chair High Pressure Electric DC 12V Micro Mini Air Vacuum Pump manufacturers

china factory High Performance China Factory Micro Vacuum Pump/ Micro Air Pump/Brush DC Diaphragm Pressure Vacuum Pump/Mini Compressor Air Pump manufacturers

Merchandise Description

Packing & Shipping
Packaging Information: CZPT Carton Box ,Outside With Pallet.
Delivery Time: Less Than 10000PCS For the duration of fifteen Times.
Port: HangZhou,HangZhou,HangZhou,ZheJiang ,HangZhou.

5L Vacuum Pump
Higher adverse force, Brush DC motor
Extended life span, CZPT overall performance price ratio
The merchandise is mini DC diaphragm air pump with brush motor. It is made dependent on the good displacement pumps. It is CZPT ed by the rotation of motor. The eccentric vane drives the rubber inside of to reciprocate, forming absorbing and discharging pressure to pump air.

Application
Widely employed in healthcare equipments, Breast Pump, Massage Therapy CZPT s, Human body CZPT Cares, CZPT ctronic Instruments. Laboratory,Foodstuff and Beverage,Instruments and equipment,Inkjet ,Digital Etc.
Features
Small measurement, CZPT ful enter and output force.
Diaphragm materials: EPDM, highly resistant to acid, alkali, poor oil resistance.
Very good leakproofness.
Endurable, cost-free maintenace.
Specification

Design

Rated Voltage

Energy

Working Recent

Air Circulation

Max Stress

Max Vacuum

Leakage

Inflation Time

Sounds

Existence Take a look at

Pipe Diameter

N.W (KG)

OMK-5L

DC 6V

< 600mA

≥5LPM

≥600mmHg

≥300mmHg

≤15mmHg/min

≤10S(500CC)

< 45dB

500H

Φ 5.5/Φ4mm

.067

DC 12V

< 300mA

≥5LPM

≥600mmHg

≥300mmHg

≤15mmHg/min

≤10S(500CC)

< 45dB

500H

Φ 5.5/Φ4mm

.067

DC 24V

< 150mA

≥5LPM

≥600mmHg

≥300mmHg

≤15mmHg/min

≤10S(500CC)

< 45dB

500H

Φ 5.5/Φ4mm

.067

Dimension (mm)

EP types and manufactures a vast selection of industrial vacuum pump systems. From ” to 29.ninety” Hg, from main pump to increase, from constructive displacement to dynamic, our vacuum pumps cover a vast range of working pressures, rules and technologies, including oil-cost-free/dry and oil-lubricated rotary vane, oil-free / Dry rotary screw, claw vacuum pumps, radial vacuum pumps and regenerative blowers configured for vacuum applications.
china factory High Performance China Factory Micro Vacuum Pump/ Micro Air Pump/Brush DC Diaphragm Pressure Vacuum Pump/Mini Compressor Air Pump manufacturers

china wholesaler Shion 12L 110V Micro Vacuum and Air Diaphragm Pump manufacturers

Merchandise Description

FAQ
1. who are we?
We are based mostly in ZheJiang , CZPT , start from 2007,promote to North CZPT ica(00.00%),Northern CZPT pe(00.00%),South Asia(00.00%),Western CZPT pe(00.00%),Eastern Asia(00.00%),Jap CZPT pe(00.00%). There are total about 11-fifty men and women in CZPT place of work.

2. how can we ensure high quality?
Constantly a pre-manufacturing sample prior to mass manufacturing
Usually closing Inspection prior to shipment

three.what can you get from us?
Ozone CZPT ,Ozone CZPT Parts

four. why ought to you buy from us not from other suppliers?
We have twelve several years of experience in the development and generation of ozone generator and higher voltage transformer. We have a 30-12 months outdated manufacturing unit. And handed the ISO9001 certification.

5. what providers can we give?
Recognized Supply Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES
Approved Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF
Recognized Payment Variety: T/T,L/C,D/P D/A,MoneyGram,Credit score Card,PayPal,Western CZPT ,Cash,Escrow
Language Spoken:English,Chinese

The claw vacuum pump is a hundred% oil and operates without having get in touch with. For this purpose, the claw rotor rotates in the opposite route inside of the compression chamber with no contacting the housing. Adopt claw technology, higher efficiency, and minimal consumption.
china wholesaler Shion 12L 110V Micro Vacuum and Air Diaphragm Pump manufacturers