Rotary vane vacuum pump mainly consists of pump body, rotor, rotary vane, end cap, oil tank and so on. A rotor with 3 vanes is mounted eccentrically in a cylindrical housing, the 3 vanes slide in the rotor slots. When rotating, the centrifugal force keeps the vanes in contact with the housing and the rotation drives the rotor to slide along the housing.
|1.Exhaust porti nterface||2.Exhaust filter||3.Suction valve|
|4.Oil level gauge||5.Drain valve||6.Filler plug|
|13.Oil filter||14.Suction port interface||15.Air ballast valve|
|16.Radiator tube||17.Return valve|
The diagram below shows the structure of the pump. When the rotor rotates, the vanes, the housing and the 2 end caps form three chambers, every turn, the volume of each chamber increases or decreases due to the sliding of the vanes, completing the suction and discharge process.
- Able to work continuously for a long time under the inlet pressure of 5×104Pa.
- Low noise, low vibration, foot bolts is not required.
- Exhaust filter in the pump effectively separates the oil in the gas to avoid pollution of the environment.
- Directly driven by motor.
- Compact structure, light weight, air-cooled.
- Easy to operate, install and maintain.
The rotary vane vacuum pump is suitable for the applications where the requirement of vacuum is not high and the operation is reliable and maintenance is convenient. It is commonly used in vacuum packaging of various foodstuffs, vacuum forming of rubber and plastic industry, paper transmission of printing industry, vacuum impregnation and leakage prevention of various castings, vacuum fixture, vacuum drying, vacuum filtration, and hospital surgery.
|Model||Nominal pumping speed(50Hz)
|Ultimate pressure with Gas Ballast valve on ≤Pa||Nominal motor rating (50Hz) kw||Nominal motor speed (50Hz) RPM|| Water vapour capacity
|Noise level db(A)||Oil capacity
|Suction Connection size
|Discharge Connection size
|XD-040C||40||50||200||1.1||1500||0.6||64||1.25||76||G1 1/4″||G1 1/4″||48|
|XD-063C||63||50||200||1.5/2.2||1500||1||65||2||79||G1 1/4″||G1 1/4″||58|
|XD-063D||63||50||200||1.5||1500||0.6||65||1.5||79||G1 1/4″||G1 1/4″||49|
|XD-100C||100||50||200||2.2/3||1500||1.5||66||2||79||G1 1/4″||G1 1/4″||72|
Q: What information should I offer for an inquiry?
A: You can inquire based on the model directly, but it is always recommended that you contact us so that we can help you to check if the pump is the most appropriate for your application.
Q: Can you make a customized vacuum pump?
A: Yes, we can do some special designs to meet customer applications. Such as customized sealing systems, speical surface treatment can be applied for roots vacuum pump and screw vacuum pump. Please contact us if you have special requirements.
Q: I have problems with our vacuum pumps or vacuum systems, can you offer some help?
A: We have application and design engineers with more than 30 years of experience in vacuum applications in different industries and help a lot of customers resolve their problems, such as leakage issues, energy-saving solutions, more environment-friendly vacuum systems, etc. Please contact us and we’ll be very happy if we can offer any help to your vacuum system.
Q: Can you design and make customized vacuum systems?
A: Yes, we are good for this.
Q: What is your MOQ?
A: 1 piece or 1 set.
Q: How about your delivery time?
A: 5-10 working days for the standard vacuum pump if the quantity is below 20 pieces, 20-30 working days for the conventional vacuum system with less than 5 sets. For more quantity or special requirements, please contact us to check the lead time.
Q: What are your payment terms?
A: By T/T, 50% advance payment/deposit and 50% paid before shipment.
Q: How about the warranty?
A: We offer 1-year warranty (except for the wearing parts).
Q: How about the service?
A: We offer remote video technical support. We can send the service engineer to the site for some special requirements.
|After-sales Service:||Online Video Instruction|
|Suction Connection Size:||2"|
|Discharge Connection Size:||2"|
|Working Temperature Range:||75 Degree Centigrade|
What Is the Role of Lubrication in Rotary Vane Pump Operation?
Lubrication plays a critical role in the operation of a rotary vane pump, ensuring its smooth and efficient performance. Here’s a detailed explanation of the role of lubrication in rotary vane pump operation:
– Friction Reduction: The primary function of lubrication is to reduce friction between moving parts within the pump. In a rotary vane pump, the vanes slide in and out of the rotor slots as the rotor rotates. Lubrication forms a thin film between the vanes and the rotor, reducing the friction and allowing smooth movement. This friction reduction minimizes wear and tear on the vanes and rotor, contributing to the longevity of the pump.
– Seal Enhancement: Lubrication also helps in creating a tight seal between the vanes and the pump housing. The lubricant fills any gaps or imperfections, ensuring proper sealing and preventing gas or fluid leakage. This is particularly important for achieving and maintaining the desired vacuum levels in the pump. Effective sealing enhances the pump’s efficiency and performance.
– Heat Dissipation: During operation, a rotary vane pump generates heat due to the friction and compression of gases or fluids. Lubrication helps in dissipating this heat by absorbing and carrying it away from the critical components of the pump. It prevents excessive heat buildup that can lead to component damage or reduced performance. Proper lubrication ensures that the pump operates within the desired temperature range.
– Wear Protection: The lubricant forms a protective layer on the surfaces of the vanes, rotor, and other moving parts. This layer acts as a barrier, minimizing direct metal-to-metal contact and reducing wear and tear. It helps prevent damage to the vanes and rotor caused by friction and ensures the longevity of these components. Lubrication also protects against corrosion and helps maintain the overall integrity of the pump.
– Noise Reduction: Lubrication contributes to noise reduction in a rotary vane pump. The smooth movement facilitated by the lubricant minimizes vibrations and eliminates or reduces unwanted noise generated during operation. This is particularly important in applications where low noise levels are desired, such as laboratory or medical settings.
– Performance Optimization: Proper lubrication is crucial for maintaining the pump’s performance and efficiency. It ensures that the pump operates with minimal resistance and energy loss, allowing it to achieve the desired vacuum levels or fluid flow rates effectively. Lubrication helps optimize the pump’s overall performance and contributes to its reliability and effectiveness in various applications.
It’s important to note that using the correct type of lubricant specified by the pump manufacturer is essential. Different rotary vane pumps may have specific lubrication requirements, including the type of lubricant and recommended lubrication intervals. Adhering to these guidelines ensures that the lubrication effectively fulfills its role and maintains the pump’s optimal operation.
How Does a Rotary Vane Pump Work?
A rotary vane pump is a type of positive displacement pump commonly used for creating vacuum or low-pressure environments. Here’s a detailed explanation of how a rotary vane pump works:
– Basic Principle: A rotary vane pump operates based on the principle of positive displacement. It uses a rotating mechanism with sliding vanes to create a continuous pumping action.
– Construction: A typical rotary vane pump consists of several key components:
– Rotor: The rotor is the central rotating element of the pump. It is typically offset from the center of the pump chamber and is connected to a drive mechanism, such as an electric motor.
– Vanes: The vanes are sliding elements that are inserted into radial slots in the rotor. They can be made of various materials, such as carbon, graphite, or synthetic materials, and are in constant contact with the pump chamber walls.
– Stator: The stator is the stationary part of the pump. It forms the pump chamber and is typically cylindrical in shape with an eccentric bore that accommodates the rotor.
– Inlet and Outlet Ports: The pump has separate inlet and outlet ports. The inlet allows the entry of gas or fluid into the pump, while the outlet facilitates the discharge of the pumped medium.
1. Starting Position: Initially, the rotor is positioned eccentrically within the stator, creating spaces, or cells, between the rotor vanes and the stator walls.
2. Intake Stroke: As the rotor rotates, one vane enters the intake port. This creates an expanding cell, leading to a decrease in pressure within the cell. This pressure drop causes gas or fluid to enter the pump through the inlet port and fill the expanding cell.
3. Compression Stroke: As the rotor continues to rotate, the vane moves along the stator wall, reducing the size of the cell. This compression action compresses the gas or fluid within the cell, increasing its pressure.
4. Discharge Stroke: The compressed gas or fluid is then pushed towards the outlet port as the vane moves further along the stator wall. This leads to the expulsion of the medium from the pump through the outlet port.
5. Repeat Process: The above steps are repeated continuously as the rotor continues to rotate, creating a continuous pumping action.
– Sealing and Lubrication: To ensure efficient operation and prevent leakage, rotary vane pumps require proper sealing and lubrication. The vanes slide against the stator walls, forming a seal to minimize backflow and leakage. Often, a small amount of oil or lubricant is introduced into the pump chamber to provide lubrication and maintain the seal between the vanes and the stator walls.
– Applications: Rotary vane pumps are commonly used in a variety of applications, including HVAC systems, vacuum packaging, laboratory equipment, automotive industry, and industrial processes that require vacuum or low-pressure conditions.
– It’s important to note that the performance of a rotary vane pump can be influenced by factors such as the speed of rotation, the number and dimensions of vanes, the quality of sealing, and the type of lubrication used.
In summary, a rotary vane pump operates based on the principle of positive displacement. It utilizes a rotating rotor with sliding vanes inside a stationary stator to create a continuous pumping action. The pump’s design allows for the intake, compression, and discharge of gas or fluid, making it suitable for various applications requiring vacuum or low-pressure environments.
editor by CX 2023-10-26