China wholesaler Vacuum Transformer Evacuation System and Vacuum Pump Unit Rnvs-70 (252m3/h) vacuum pump oil

Product Description

Transformer Evacuation System and Vacuum Pumping Set RNVS-70(252m3/h)

Product Description

Application:

RNVS series transformer evacuation system/ vacuum pump set is a new type of vacuuming equipment developed and produced by our company. It is widely used in the process of producing vacuum condition for various equipment. Its vacuum pressure can reach much lower than any other products in the same field.

It is widely used in the vacuuming process in the production, installation and maintenance of many electric power equipment, like electric power transformer, capacitor etc., It can offer high efficiency vacuum evacuating, vacuum injection and vacuum oiling for transformers, and it is also used in the technical process of industrial production, such as vacuum drying, vacuum distillation, vacuum wielding, vacuum coating etc.
It is not suitable for the vacuum process for air and gases containing too much powder, water and oxygen as well as explosive, corrosive, poisonous and chemical substances.

Characteristics:

1. The machine adopts special Roots pump and vacuum pump, so the vacuum pumping speed and pressure, are obviously better than any other devices.
2. Working vacuum range and maximum vacuum degree are superior to other products.
3. It’s equipped with a control panel for controlling the operation of pumps.
4. Consist of necessary high quality pipelines and valves to operate the system.
5. It is installed with special vacuum gauge for accurate indication.
6. It adopts automatic vacuum relay for automatic control.
7. Stable and reliable operation, low noise, and easy to move.

Detailed Photos

 

 

Onsite Projects

Other Equipment You May Need

Our Related Equipments for Transformer Maintenance:

          Double Stage Vacuum Transformer Oil Filtration & Purification Machine                                                     Dry Air Generator

 

After Sales Service

Rexon Warrants the machine supplied under this specification against defects in material and workmanship under normal use and service for a period of 2 years after start up of the system.

Rexon’s obligation under this warranty is limited to repairing or furnishing the parts which is defective, during manufacturing, or any similar parts need to be replaced(except filter), which has to be proven within warranty period.

Rexon will not be responsible for any indirect or wrong operation damages of the machine.

Packaging & Shipping

 

Company Profile

ZheJiang CHINAMFG Oil Purification Co., Ltd was built in year of 2000 and located in ZheJiang city, China, which is a famous industrial machinery city. As a leading oil purifier manufacturer and oil purification technology development company, we specialized in designing, producing, developing and selling various types of oil purification equipment such as transformer oil purifier, turbine oil purifier, lube oil purifier, hydraulic oil purifier, engine oil purifier, ship oil filtration plant, used cooking oil purifier, centrifuge oil separation purifier and all other industrial oil purification machines. We offered professional oil solutions service and oil purifier machines for world-wide customers near 20 years. Our equipment can be applied to many industrial fields, such as the electric power, petroleum chemical, metallurgical industry, mine, aviation, shipping and railway, factories, and so on. We have sold products to Africa, North America, South America, Asian countries, CHINAMFG places. And we have been to customers’ on-site places to offer training and commissioning services for customers as required like Africa countries, Asian countries etc. From these years work for oil filtration and on-site oil processing, we gain rich experiences and researching in better machines and keep us developing all the time. We are aiming to save oil energy sources and save new oil cost for our customers, through purifying their old oil, and maintaining their oil cleanliness to keep their oil always in good condition as new to use into their machinery, equipment and system. And under this situation, these machinery and equipment can be always maintained well too, so their lifetime can be also prolonged largely.

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For more information about any model of our oil purifier’s specs, please leave us your Email, Tel, Mobile No. etc. then we can give feedback to you immediately. Or you can contact us directly from our website. Don’t hesitate to send us an inquiry now. And you are welcome to visit us!

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After-sales Service: Free Aftersales Services
Warranty: 2 Years
Oil or Not: Oil
Structure: Rotary Vacuum Pump
Vacuum Degree: High Vacuum
Working Conditions: Dry
Customization:
Available

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vacuum pump

What Is the Role of Vacuum Pumps in Semiconductor Manufacturing?

Vacuum pumps play a critical role in semiconductor manufacturing processes. Here’s a detailed explanation:

Semiconductor manufacturing involves the production of integrated circuits (ICs) and other semiconductor devices used in various electronic applications. Vacuum pumps are used extensively throughout the semiconductor manufacturing process to create and maintain the required vacuum conditions for specific manufacturing steps.

Here are some key roles of vacuum pumps in semiconductor manufacturing:

1. Deposition Processes: Vacuum pumps are used in deposition processes such as physical vapor deposition (PVD) and chemical vapor deposition (CVD). These processes involve depositing thin films of materials onto semiconductor wafers to create various layers and patterns. Vacuum pumps help create a low-pressure environment necessary for precise control of the deposition process, ensuring uniform and high-quality film formation.

2. Etching and Cleaning: Vacuum pumps are utilized in etching and cleaning processes, which involve the removal of specific layers or contaminants from semiconductor wafers. Dry etching techniques, such as plasma etching and reactive ion etching, require a vacuum environment to facilitate the ionization and removal of material. Vacuum pumps aid in creating the necessary low-pressure conditions for efficient etching and cleaning processes.

3. Ion Implantation: Ion implantation is a process used to introduce impurities into specific regions of a semiconductor wafer to modify its electrical properties. Vacuum pumps are used to evacuate the ion implantation chamber, creating the required vacuum environment for accurate and controlled ion beam acceleration and implantation.

4. Wafer Handling and Transfer: Vacuum pumps are employed in wafer handling and transfer systems. These systems utilize vacuum suction to securely hold and manipulate semiconductor wafers during various manufacturing steps, such as loading and unloading from process chambers, robotic transfer between tools, and wafer alignment.

5. Load Lock Systems: Load lock systems are used to transfer semiconductor wafers between atmospheric conditions and the vacuum environment of process chambers. Vacuum pumps are integral components of load lock systems, creating and maintaining the vacuum conditions necessary for wafer transfer while minimizing contamination risks.

6. Metrology and Inspection: Vacuum pumps are utilized in metrology and inspection tools used for characterizing semiconductor devices. These tools, such as scanning electron microscopes (SEMs) and focused ion beam (FIB) systems, often operate in a vacuum environment to enable high-resolution imaging and accurate analysis of semiconductor structures and defects.

7. Leak Detection: Vacuum pumps are employed in leak detection systems to identify and locate leaks in vacuum chambers, process lines, and other components. These systems rely on vacuum pumps to evacuate the system and then monitor for any pressure rise, indicating the presence of leaks.

8. Cleanroom Environment Control: Semiconductor manufacturing facilities maintain cleanroom environments to prevent contamination during the fabrication process. Vacuum pumps are used in the design and operation of the cleanroom ventilation and filtration systems, helping to maintain the required air cleanliness levels by removing particulates and maintaining controlled air pressure differentials.

Vacuum pumps used in semiconductor manufacturing processes are often specialized to meet the stringent requirements of the industry. They need to provide high vacuum levels, precise control, low contamination levels, and reliability for continuous operation.

Overall, vacuum pumps are indispensable in semiconductor manufacturing, enabling the creation of the necessary vacuum conditions for various processes, ensuring the production of high-quality semiconductor devices.

vacuum pump

What Is the Difference Between Dry and Wet Vacuum Pumps?

Dry and wet vacuum pumps are two distinct types of pumps that differ in their operating principles and applications. Here’s a detailed explanation of the differences between them:

Dry Vacuum Pumps:

Dry vacuum pumps operate without the use of any lubricating fluid or sealing water in the pumping chamber. They rely on non-contact mechanisms to create a vacuum. Some common types of dry vacuum pumps include:

1. Rotary Vane Pumps: Rotary vane pumps consist of a rotor with vanes that slide in and out of slots in the rotor. The rotation of the rotor creates chambers that expand and contract, allowing the gas to be pumped. The vanes and the housing are designed to create a seal, preventing gas from flowing back into the pump. Rotary vane pumps are commonly used in laboratories, medical applications, and industrial processes where a medium vacuum level is required.

2. Dry Screw Pumps: Dry screw pumps use two or more intermeshing screws to compress and transport gas. As the screws rotate, the gas is trapped between the threads and transported from the suction side to the discharge side. Dry screw pumps are known for their high pumping speeds, low noise levels, and ability to handle various gases. They are used in applications such as semiconductor manufacturing, chemical processing, and vacuum distillation.

3. Claw Pumps: Claw pumps use two rotors with claw-shaped lobes that rotate in opposite directions. The rotation creates a series of expanding and contracting chambers, enabling gas capture and pumping. Claw pumps are known for their oil-free operation, high pumping speeds, and suitability for handling dry and clean gases. They are commonly used in applications such as automotive manufacturing, food packaging, and environmental technology.

Wet Vacuum Pumps:

Wet vacuum pumps, also known as liquid ring pumps, operate by using a liquid, typically water, to create a seal and generate a vacuum. The liquid ring serves as both the sealing medium and the working fluid. Wet vacuum pumps are commonly used in applications where a higher level of vacuum is required or when handling corrosive gases. Some key features of wet vacuum pumps include:

1. Liquid Ring Pumps: Liquid ring pumps feature an impeller with blades that rotate eccentrically within a cylindrical casing. As the impeller rotates, the liquid forms a ring against the casing due to centrifugal force. The liquid ring creates a seal, and as the impeller spins, the volume of the gas chamber decreases, leading to the compression and discharge of gas. Liquid ring pumps are known for their ability to handle wet and corrosive gases, making them suitable for applications such as chemical processing, oil refining, and wastewater treatment.

2. Water Jet Pumps: Water jet pumps utilize a jet of high-velocity water to create a vacuum. The water jet entrains gases, and the mixture is then separated in a venturi section, where the water is recirculated, and the gases are discharged. Water jet pumps are commonly used in laboratories and applications where a moderate vacuum level is required.

The main differences between dry and wet vacuum pumps can be summarized as follows:

1. Operating Principle: Dry vacuum pumps operate without the need for any sealing fluid, while wet vacuum pumps utilize a liquid ring or water as a sealing and working medium.

2. Lubrication: Dry vacuum pumps do not require lubrication since there is no contact between moving parts, whereas wet vacuum pumps require the presence of a liquid for sealing and lubrication.

3. Applications: Dry vacuum pumps are suitable for applications where a medium vacuum level is required, and oil-free operation is desired. They are commonly used in laboratories, medical settings, and various industrial processes. Wet vacuum pumps, on the other hand, are used when a higher vacuum level is needed or when handling corrosive gases. They find applications in chemical processing, oil refining, and wastewater treatment, among others.

It’s important to note that the selection of a vacuum pump depends on specific requirements such as desired vacuum level, gas compatibility, operating conditions, and the nature of the application.

In summary, the primary distinction between dry and wet vacuum pumps lies in their operating principles, lubrication requirements, and applications. Dry vacuum pumps operate without any lubricating fluid, while wet vacuum pumps rely on a liquid ring or water for sealing and lubrication. The choice between dry and wet vacuum pumps depends on the specific needs of the application and the desired vacuum level.

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 wholesaler Vacuum Transformer Evacuation System and Vacuum Pump Unit Rnvs-70 (252m3/h)   vacuum pump oil	China wholesaler Vacuum Transformer Evacuation System and Vacuum Pump Unit Rnvs-70 (252m3/h)   vacuum pump oil
editor by CX 2024-03-23

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