Product Description

Product Description

SV Oil Lubrication CHINAMFG Rotary Vane Vacuum Pump: 

SV oil lubricated single rotary vane vacuum pump is new style Multi-function vacuum equipment, it developed from adsorbing numerous international famous company advanced technology, take the advantages of long service design, high vacuum degree, environmental protection, complete specification etc. We own the exclusive patent.

Working Principle:

Eccentric mounting rotor rotating in the pump inside, which form centrifugal force driving vanes close to pump wall rotating, vanes divide pump body and rotor into multiple working chamber, when working chamber connect to inlet passageway, start to suction gas, vanese keep rotating and compressed gas into oil tank, oil tank inner constant differential pressure make oil enter comprssed chamber, lubricated oil and extracted gas enter into oil tank, with gravity action, exhaust filter separate lubricated oil, lubricated oil back to the bottoom of oil tank and enter into working chamber(oil recyle), oilless gas exhaust to atmosphere.


Product Parameters

Model Pumping Speed
Max Vacuum
Motor Power
Rotating Speed
Water Vapor Capacity
Inlet Hole Oil Feeding
SVF571 10 80 0.37/0.55 1400 0.02 G1/2 0.5 60 18 410x240x210
SVF571 20 80 0.75/1.0 2800 0.04 G1/2 0.5 64 20 410x240x210
SVF040 40 50 1.1/1.5 1400 0.75 G1-1/4 1.3 67 48 630x290x260
SVF063 63 50 1.5/2.0 1400 1.5 G1-1/4 1.3 68 50 660x300x270
SVF100 100 50 3.0/4.0 1440 1.6 G1-1/4 1.3 68 70 730x410x290
SVF160 160 50 4.0/6.0 1440 2.7 G2 2 74 160 900x540x450
SVF200 200 50 4.0/6.0 1440 3.4 G2 5 74 160 900x540x450
SVF250 250 50 5.5/7.5 1440 4.4 G2 5 76 190 1000x540x450
SVF300 300 50 7.5/10 1440 5.4 G2 5 76 220 1060x540x450
SVF630 630 50 15.20 950 10 G3 15 78 640 1500x900x760

1m3/h=0.2778L/S, 1m3/h=0.5883CFM.
1Pa=0.01mbar, 1Pa=0.001Kpa, 1Pa=0.0075Torr, 1Pa=0.000145PSI, 1Pa=0.00001Bar.


Our Advantages

1. Long life design, the greatest value to customers.
2. Full rubber seals, improved sealing, easy disassembly.
3. Symmetrical mounting base for easy installation and transportation.
4. Vane with some self-lubricating function, can adapt to harsh process.
5. High vacuum up to 10Pa, High pumping speed also at low pressures.
6. Environmentally friendly, integrated exhaust filter, clean exhaust air. Outlet hole equip with check valve, can avoid oil back to vacuum system. Multiple vanes design, high efficiency and energy saving. Cooled air. Direct-coupled connection, low noise, low vibration, can work in horizontal plane. When ultimate vacuum reach atmospheric pressure range, can continuous running.


Project Case





Q1: If I want to inquiry, what can I need to offer?
A1: Please tell us your Working Vacuum Degree(Pa,mbar or torr), Flowrate(L/S or M3/H) and Usage.

Q2: Do you have MOQ?
A2: 1Pcs is ok,if you have more quantity, the price will be cut down.

Q3: How long to delivery?
A3: We need about 4-5 weeks to produce,then extra need about 5-7 days to arrange domestic delivery and port clearence.

Q4: What is your payment term?
A4: 50% for prepayment, then the balance should paid before delivery, by TT.

Q5: How long for the warranty?
A5: 1 year for whole machine, the effective date of warranty should be counted from 1 month the goods arrived in client’s site. If the pump go wrong, the client can choose back the pump to factory repair,or we offer remote technical support.

After-sales Service: Remote Support
Warranty: 1 Year
Oil or Not: Oil
Structure: Rotary Vacuum Pump
Exhauster Method: Negative Pressure Air Pump
Vacuum Degree: Vacuum


rotary vane pump

What Is the Energy Efficiency of Rotary Vane Pumps?

The energy efficiency of rotary vane pumps can vary depending on several factors, including the design of the pump, operating conditions, and specific application requirements. Here’s a detailed explanation of the energy efficiency considerations for rotary vane pumps:

– Design Efficiency: The design of the rotary vane pump can significantly impact its energy efficiency. Modern rotary vane pumps are designed with efficiency in mind, incorporating features such as optimized rotor profiles, improved sealing mechanisms, and reduced internal leakage. These design enhancements aim to minimize energy losses and maximize the pump’s overall efficiency.

– Motor Efficiency: The motor driving the rotary vane pump plays a crucial role in its energy efficiency. High-efficiency motors, such as those meeting premium efficiency standards (e.g., NEMA Premium Efficiency or IE3), can contribute to the overall energy efficiency of the pump system. Using motors with appropriate power ratings and matching the motor size to the pump’s requirements can help optimize energy consumption.

– Operating Point: The operating point at which the rotary vane pump operates can impact its energy efficiency. Pumps often have an optimum operating range where they achieve the highest efficiency. Operating the pump within this range can help minimize unnecessary energy consumption. It’s important to consider the system requirements and select a pump that can operate efficiently under the expected operating conditions.

– Control and Automation: Implementing effective control and automation strategies can enhance the energy efficiency of rotary vane pump systems. Variable frequency drives (VFDs) or speed control mechanisms can adjust the pump’s speed or output to match the required flow rate, reducing energy wastage. Additionally, incorporating sensors and control algorithms that optimize pump operation based on demand can further improve energy efficiency.

– System Design and Integration: The overall system design and integration can influence the energy efficiency of rotary vane pumps. Proper sizing of the pump based on the system requirements, minimizing pressure losses in the piping network, and optimizing the layout of the system components can all contribute to improved energy efficiency. Considering the system as a whole and implementing energy-saving practices can result in significant energy savings.

– Maintenance and Performance Monitoring: Regular maintenance and performance monitoring are essential for maintaining the energy efficiency of rotary vane pumps. Ensuring proper lubrication, monitoring for leaks or wear, and addressing any performance issues promptly can prevent energy losses due to degraded pump performance. Periodic performance assessments and efficiency measurements can help identify opportunities for optimization and energy-saving initiatives.

It’s important to note that the energy efficiency of rotary vane pumps can vary among different pump models and manufacturers. When selecting a rotary vane pump, it is advisable to review the manufacturer’s specifications, efficiency data, and performance curves to evaluate the pump’s energy efficiency characteristics.

Overall, by considering design efficiency, motor efficiency, operating point, control strategies, system design, and maintenance practices, it is possible to enhance the energy efficiency of rotary vane pumps and reduce energy consumption in various applications.

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 supplier 15kw 630m3/H Industrial Type Rotary Vane Vacuum Pump   vacuum pump adapter	China supplier 15kw 630m3/H Industrial Type Rotary Vane Vacuum Pump   vacuum pump adapter
editor by CX 2023-10-28