Single-stage Rotary Vacuum Pump Complete Product Model List

LV 0020 单级旋片真空泵

LV 0020 单级旋片真空泵

电机功率0.75 Kw
极限真空0.5 mBar
额定电压200-240△/345-415Y
额定电流2.4 A
Inquiry / unit
LV 0025 单级旋片真空泵

LV 0025 单级旋片真空泵

电机功率0.75 Kw
极限真空1.0 mBar
额定电压200-240△/345-415Y
额定电流1.75 A
Inquiry / unit
LV 0040 单级旋片真空泵

LV 0040 单级旋片真空泵

电机功率1.5 Kw
极限真空0.5 mBar
额定电压200-240△/345-415Y
额定电流3.4 A
Inquiry / unit
LV 0063 单级旋片真空泵

LV 0063 单级旋片真空泵

电机功率2.2 Kw
极限真空0.5 mBar
额定电压200-240△/345-415Y
额定电流4.0 A
Inquiry / unit
LV 0100 单级旋片真空泵

LV 0100 单级旋片真空泵

电机功率3.0 Kw
极限真空0.5 mBar
额定电压200-240△/345-415Y
额定电流6.8 A
Inquiry / unit
LV 0160 单级旋片真空泵

LV 0160 单级旋片真空泵

电机功率4.5 Kw
极限真空0.1 mBar
额定电压345-415△/600-720Y
额定电流9.0 A
Inquiry / unit
LV 0202 单级旋片真空泵

LV 0202 单级旋片真空泵

电机功率5.5 Kw
极限真空0.1 mBar
额定电压345-415△/600-720Y
额定电流9.0 A
Inquiry / unit
LV 0250 单级旋片真空泵

LV 0250 单级旋片真空泵

电机功率5.5 Kw
极限真空0.1 mBar
额定电压345-415△/600-720Y
额定电流16.7 A
Inquiry / unit
LV 0305 单级旋片真空泵

LV 0305 单级旋片真空泵

电机功率7.5 Kw
极限真空0.1 mBar
额定电压345-415△/600-720Y
额定电流16.7 A
Inquiry / unit

Common Challenges When Using Vacuum Pumps

Unstable Vacuum Negative Pressure, High Process Defect Rate

Large vacuum degree fluctuations cause processes such as vacuum adsorption and packaging to fail to meet standards, resulting in product scrapping and increased production costs.

High Operating Noise, Poor Workshop Environment

The harsh operating noise of the pump makes the workshop and laboratory noisy, affecting the working experience of personnel.

Overheating During Continuous Operation, Frequent Downtime

Equipment operating for long periods is prone to high-temperature alarms, forcing production lines to shut down and delaying production progress.

Large Oil Mist, Difficult to Find Parts, Troublesome Maintenance

Exhaust oil mist contaminates the workshop; parts are difficult to purchase, disassembly and maintenance are complex, and later operation and maintenance costs are high.

Core Advantages of Leynow LV Single-stage Oil-lubricated Rotary Vane Vacuum Pump

Stable Ultimate Vacuum, Can Be Used as a Backing Pump

The ultimate vacuum can reach 0.1-0.5mbar. It can be used as a standalone machine or as a backing pump for Roots pumps and molecular pumps, suitable for medium-low vacuum processes.

German-style Precision, Supports 24h Continuous Operation

IP54 protected, Class F insulated motor, optimized heat dissipation structure, complete machine durability testing. It is not prone to overheating during long-term continuous operation on industrial sites, ensuring production line stability.

Low Noise Optimization, Improving Working Environment

Rotor dynamic balance calibration, complete machine noise reduction treatment. Lower noise compared to similar pumps, providing a better experience in factory workshops and laboratories.

Optional Gas Ballast Valve, Oil Mist Separator

The gas ballast valve handles a small amount of water vapor; the optional oil mist separator reduces exhaust oil mist and workshop oil stains, adapting to complex working conditions.

Simple Structure, Easy Maintenance

Modular pump chamber, easy disassembly and assembly of vanes and oil filters. Only regular replacement of vacuum pump oil and wearing parts is required, reducing maintenance hours and lowering O&M costs.

Factory Direct Supply, Full Set of Technical Services

Multiple specifications of LV0020/LV0100/LV0305; complete original factory accessories including vacuum pump oil, vanes, and filters. One-stop support for selection, troubleshooting, and maintenance.

Product Specifications & Parameters

Product Model Motor Power Ultimate Vacuum Rated Voltage Rated Flow Rated Current Industry Application

LV 0020

0.75 Kw 0.5 mBar 200-240△/345-415Y 2.4 A 20 m3/h 真空包装 真空脱气 真空搬运 真空吸附

LV 0100

3.0 Kw 0.5 mBar 200-240△/345-415Y 6.8 A 100 m3/h 真空包装 真空脱气 气力输送 真空干燥 真空搬运 真空成型 真空检漏 真空注型 真空夹持 真空吸附

LV 0305

7.5 Kw 0.1 mBar 345-415△/600-720Y 16.7 A 250 m3/h 真空包装 真空脱气 气力输送 真空干燥 真空搬运 真空蒸馏 真空成型 真空清除 真空除泡 真空注型 真空浸漆 真空夹持 真空吸附
Working Principle of Leynow Single-stage Oil-lubricated Rotary Vane Vacuum Pump
  • The single-stage oil-lubricated rotary vane vacuum pump is a positive displacement oil-sealed mechanical vacuum pump, with an independent rotor-vane pump chamber arranged inside. The rotor in the cylinder is equipped with two (or three) vanes, which are pressed against the inner wall of the pump chamber by centrifugal force, dividing it into independent variable-volume chambers.

  • The gas directly enters the pump chamber to complete a single compression, and is discharged from the exhaust port after compression. The complete machine uses vacuum pump oil circulation for lubrication and sealing; an oil mist separator is configured to achieve oil-gas separation and oil recycling; a shutdown check valve blocks medium backflow and protects the vacuum-side chamber.

  • The single-stage compression structure brings stable and reliable pumping speed and vacuum degree. The standard gas ballast valve can handle a small amount of water vapor. It is widely used for standalone vacuum pumping and can also be used as a backing pre-pumping pump for Roots pumps and molecular pumps.

Applicable Industries and Typical Processes

The Leynow series single-stage oil-lubricated rotary vane vacuum pump is suitable for industrial production, scientific research experiments, and vacuum unit matching scenarios with moderate vacuum requirements. Standalone or backing pump solutions can be provided according to process requirements.

  • The single-stage oil-lubricated rotary vane vacuum pump is an oil-sealed mechanical vacuum pump with single-stage pump chamber compression. The working pressure range is typically 101325~1×10⁻¹ Pa, making it a medium vacuum generation equipment.

  • The pump has a large pumping speed, simple structure, convenient maintenance, is equipped with gas ballast to resist water vapor, anti-oil backflow, and stable operation. It is suitable for various processes with general vacuum degree requirements.

Technical Information & Materials

Compiled technical reference materials related to vacuum pumps for selection, equipment commissioning, and troubleshooting.

Project Selection Reference Suggestions
  • Confirm core indicators: required ultimate vacuum, actual pumping volume;
  • Clarify the extracted medium: water vapor, dust, corrosive gases, etc., to determine whether filtration, condensation, or explosion-proofing is needed;
  • Confirm the usage environment: indoor/outdoor, on ships, high temperature and humidity, dust environment;
  • Usage mode: intermittent use or long-term continuous operation;
  • Standalone equipment or a complete central vacuum station.

Applicable Industries and Processes

Applicable Industries
CNC Machining

CNC Machining

Used for CNC vacuum adsorption clamping and vacuum fixtures, providing stable negative pressure to ensure precise workpiece positioning and improve machining efficiency.

Vacuum Packaging

Vacuum Packaging

Vacuum packaging in food, electronics, and pharmaceutical industries. Fast vacuum pumping extends product shelf life, and packaging results are flat and aesthetically pleasing.

Fine Chemicals

Fine Chemicals

Used for vacuum distillation, filtration, degassing, and drying processes. Corrosion-resistant design ensures safe and stable chemical production.

Electronics & Semiconductors

Electronics & Semiconductors

Semiconductor packaging, coating backing, and vacuum adsorption. Clean and free of oil mist, meeting the high cleanliness requirements of the electronics industry.

Metallurgical Industry

Metallurgical Industry

Vacuum smelting, vacuum degassing, and heat treatment. High pumping speed design adapts to high-temperature and high-dust working conditions, stable and reliable.

Food Processing

Food Processing

Food vacuum packaging, vacuum frying, and vacuum cooling. Meets food-grade requirements, easy to clean and maintain, ensuring food safety.

Solar Energy Industry

Solar Energy Industry

Photovoltaic module vacuum adsorption, coating backing, and lamination processes, providing a stable vacuum environment for solar cell production.

Scientific Research Laboratory

Scientific Research Laboratory

Laboratory vacuum filtration, drying, distillation, and adsorption. Low noise operation provides a quiet experimental environment for researchers.

Textile Printing & Dyeing

Textile Printing & Dyeing

Used for auxiliary processes such as vacuum dehydration and setting of textiles, reducing the impact of residual moisture on subsequent processes.

Wood Processing

Wood Processing

Used for vacuum drying of wood and vacuum adsorption setting of panels, reducing the risk of cracking and deformation, and improving processing quality.

Glass Deep Processing

Glass Deep Processing

Used for processes such as glass vacuum adsorption handling and laminated glass exhaust, assisting in improving processing positioning and lamination quality.

Power & Electrical

Power & Electrical

Used for processes such as transformer vacuum drying and vacuum oil filling, assisting in removing moisture and gas from insulating materials.

Typical Processes
Vacuum Adsorption Clamping

Vacuum Adsorption Clamping

Through the negative pressure generated by the vacuum pump, the workpiece is firmly adsorbed on the fixture, suitable for CNC machining, glass handling, and panel fixing.

Vacuum Filtration & Evaporation

Vacuum Filtration & Evaporation

Lowers the boiling point of liquids and accelerates the filtration and evaporation process. Widely used in chemical, pharmaceutical, and food concentration processes.

Vacuum Drying & Impregnation

Vacuum Drying & Impregnation

Removes moisture from materials in a vacuum environment, or allows impregnating liquid to penetrate into materials. Used in electronic components, transformers, and food processing.

Vacuum Coating Backing Pump

Vacuum Coating Backing Pump

As a backing pump for molecular pumps and diffusion pumps, it provides pre-vacuum for coating chambers and is widely used in optical, electronic, and decorative coating.

Roots Unit Backing Pump

Roots Unit Backing Pump

Connected in series with a Roots pump to form a vacuum unit, obtaining greater pumping speed and higher vacuum degree, used for large vacuum systems.

Vacuum Degassing & Defoaming

Vacuum Degassing & Defoaming

Removes dissolved gases and bubbles from liquids in a vacuum environment. Used for glue defoaming, resin degassing, pharmaceutical preparations, and food degassing.

Vacuum Conveying & Handling

Vacuum Conveying & Handling

Uses vacuum suction cups to grasp and handle workpieces. Widely used in automated production lines, glass handling, carton palletizing, and electronic component placement.

Vacuum Cooling & Preservation

Vacuum Cooling & Preservation

Rapidly lowers food temperature through vacuum evaporation. Used for cooked food cooling, vegetable preservation, and rapid cooling of baked goods, extending shelf life.

Vacuum Distillation

Vacuum Distillation

Used for distillation processes such as chemical solvent recovery and purification, assisting in lowering the boiling point and reducing decomposition loss of heat-sensitive materials.

Vacuum Dehydration

Vacuum Dehydration

Used for vacuum dehydration of materials such as textiles and paper products, assisting in accelerating the dehydration process and reducing subsequent drying load.

Vacuum Oil Filling

Vacuum Oil Filling

Used for vacuum oil filling of electrical equipment such as transformers, assisting in discharging gas from the body and oil, ensuring insulation treatment effects.

Vacuum Sealing

Vacuum Sealing

Used for vacuum sealing packaging of products such as food and daily chemicals, assisting in isolating air and delaying oxidative deterioration.

Note: Not suitable for extracting media with large amounts of dust, strong corrosiveness, or high-concentration oxygen; it is recommended to open the gas ballast valve for working conditions with water vapor.

Customer FAQs

Can a single-stage oil-lubricated rotary vane vacuum pump be used as a backing pump for a Roots pump?

Yes, the LV series single-stage oil-lubricated rotary vane vacuum pump is often used as a backing pump for Roots vacuum units, paired to obtain greater pumping speed and higher vacuum degree.

What should I do if the vacuum pump has a lot of oil mist?

You can choose an optional Leynow oil mist separator; replace the Leynow vacuum pump oil on time; check if the oil level exceeds the standard.

What is the function of the gas ballast valve?

The gas ballast valve is suitable for handling gases containing a small amount of water vapor, inhibiting water vapor from condensing in the pump oil and extending the service life of the pump oil.

What is the difference between a single-stage and a two-stage oil-lubricated rotary vane pump?

The single-stage has high cost-effectiveness and meets most medium-low vacuum working conditions; for higher ultimate vacuum, it is recommended to choose a two-stage oil-lubricated rotary vane vacuum pump.

Can you provide accessories such as vanes and vacuum pump oil, as well as repair services?

Yes, original factory accessories are complete, providing technical consultation, troubleshooting, and factory repair and maintenance services.

Do you have any questions about vacuum pump systems and solutions?

Please fill in your requirements carefully, and we will contact you within 24 hours.

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