China wholesaler Refrigerant Rotary Vane Vacuum Pump vacuum pump oil

Product Description

Product Description

 

Single Stage
Model VP-115 VP-125 VP-135 VP-145 VP-160 VP-180 VP-1100
Flow Rate 220V 50Hz 1.5CFM 2.5CFM 3.5CFM 4.5CFM 6CFM 8CFM 10CFM
42L/min 70L/min 100L/min 128L/min 170L/min 226L/min 283L/min
110V 60Hz 1.8CFM 3CFM 4CFM 5CFM 7CFM 9CFM 12CFM
50L/min 84L/min 114L/min 142L/min 198L/min 254L/min 340L/min
Ultimate
Vacuum
  5Pa 5Pa 5Pa 5Pa 5Pa 5Pa 5Pa
  150microns 150microns 150microns 150microns 150microns 150microns 150microns
Power 1/4HP 1/4HP 1/3HP 1/3HP 1/2HP 3/4HP 1HP
Inlet Port 1/4″Flare 1/4″Flare 1/4″Flare 1/4″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare
Oil Capacity 320ml 300ml 350ml 350ml 450ml 700ml 800ml
Dimensions(mm) 270x119x216 270x119x216 278x119x216 278x119x216 320x134x232 370x140x250 390x140x250
Weight 5.3kg 5.5kg 6.5kg 6.8kg 10kg 14kg 14.5kg
               
Dual Stage
Model VP-215 VP-225 VP-235 VP-245 VP-260 VP-280 VP-2100
Flow Rate 220V 50Hz 1.5CFM 2.5CFM 3.5CFM 4.5CFM 6CFM 8CFM 10CFM
42L/min 70L/min 100L/min 128L/min 170L/min 226L/min 283L/min
110V 60Hz 1.8CFM 3CFM 4CFM 5CFM 7CFM 9CFM 12CFM
50L/min 84L/min 114L/min 142L/min 198L/min 254L/min 340L/min
Ultimate
Vacuum
  3×10-1Pa 3×10-1Pa 3×10-1Pa 3×10-1Pa 3×10-1Pa 3×10-1Pa 3×10-1Pa
  25microns 25microns 25microns 25microns 25microns 25microns 25microns
Power 1/4HP 1/3HP 1/3HP 1/2HP 3/4HP 1HP 1HP
Inlet Port 1/4″Flare 1/4″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare
Oil Capacity 180ml 280ml 360ml 350ml 700ml 600ml 700ml
Dimensions(mm) 270x119x216 278x119x216 320x134x232 320x134x232 370x140x250 370x140x250 390x140x250
Weight 6kg 7kg 11kg 11.8kg 15kg 15.5kg 16kg

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Company introduction

SINO-COOL trading company  is a wholesale company that manufactures good & high quality refrigeration parts, starting from 2007. The company provides the customized products and OEM service. Now deal with the refrigeration parts and tools more than 3000kinds. 

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Oil or Not: Oil
Structure: Rotary Vacuum Pump
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Maintain the Pump
Working Conditions: Dry
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

rotary vane pump

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.

rotary vane pump

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.

– Operation:

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.

China wholesaler Refrigerant Rotary Vane Vacuum Pump   vacuum pump oil	China wholesaler Refrigerant Rotary Vane Vacuum Pump   vacuum pump oil
editor by CX 2024-03-10

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