China Good quality High Pressure Oil Silent Rotary Vane Lab Vacuum Pump of CHINAMFG manufacturer

Product Description


Product Description

Rotary vane vacuum pumps are divided into single-stage  (XD series) and double-stage (FX Series).

The XD series is a kind of oil seal,single stage,direct connection,air cooled rotary vane
vacuum pump. which consists of a high-pressure stage and a low-pressure stage.The pump is improved products,using German technology and improvement of the vacuum pump.its efficient,reliable,low noise,
and easy to maintain design,not only in the vacuum refrigeration,drying.CHINAMFG drying,vacuum degassing,
vacuum packaging.vacuum adsorption,vacuum forming. food packaging,printing.sputtering.vacuum casting.photovoltaic,technology in the field of aviation,chemical.electronic,refrigerator,air conditioning
ipeline characteristics and laboratory work and supporting the use of.
But it can’t smoke in addition tocontaining high oxygen content.explosive,the metal is corrosive,and on the
pump oil will play chemical reaction and containing gas dust particles.

The FX Series is a kind of oil seal too,double stage,direct connection,air cooled rotary vane vacuum pump.
which consists of a high-pressure stage and a low-pressure stage. The pump is improved products,using
German technology and improvement of the vacuum pump.its efficient,reliable,low noise,and easy to maintain design,not only in the vacuum refrigeration,drying.CHINAMFG drying,vacuum degassing,vacuum packaging.vacuum adsorption,vacuum packaging, printing.sputtering.vacuum casting.photovoltaic,technology in
the field of aviation,chemical.electronic,refrigerator,air conditioning pipeline characteristics and laboratory work
and supporting the use of.But it can’t smoke in addition tocontaining high oxygen content.explosive,the metal is
corrosive,and on the pump oil will play chemical reaction and containing gas dust particles.

Our Advantages

1. It can be used alone,can also be used as other high vacuum pump or super high vacuum pump before the pump:
2. The preparation of special design of gas valve,prevent water pump oil,pump ail extended the use of time:
3. High pumping efficiency,high vacuum,long service life
4. With automatic anti returning oil check valve and never return oil;when the pump stops,anti oil return valve will automatically close the air inlet,by pumping the container holding 10-100Pa role:
5. Specially equipped with vacuum drying box.CHINAMFG drying machine.printing machine,coating machine,glove box.refrigerator assembly line:
6. Can be equipped with small caliber conversion connector,KF interface,flange interface:
7. When the suction with steam,particles and corrosive gases,in the inlet of the pump shall install auxiliary equipment.such as condensers,filter and so on.

Typical Use

——Oil and gas recovery.    ——Biological medicine ——Food Processing —— Single crystal furnace
——Vacuum forming ——Vacuum flame refining ——Electronic photovoltaic. ——Semiconductor synthesis

Product Parameters

Basic parameters(For reference single-stage)

XD-20 XD-25 XD-40 XD-63 XD-80 XD-100 XD-160 XD-202 XD-250 XD-302 XD-630
Exhaust rate (m³/h) 20 25 40 63 80 100 160 200 250 300 600
Limiting pressure
0.1-0.5 0.1-0.5 0.1-0.5 0.1-0.5 0.1-0.5 0.1-0.5 0.1 0.1 0.1 0.1 0.1
Motor power (kw) 0.75 0.75 1.5 2.2 2.2 3 4 4.5 5.5 7.5 22
Working voltage(v) 220/380 380 380 380 380 380 380 380 380 380 380
Motor speed (r/min) 2880 2880 1440 1440 1440 1440 1440 1440 1440 1440 1440
Noise(dB) ≤62 ≤62 ≤65 ≤65 ≤65 ≤67 ≤70 ≤72 ≤73 ≤75 ≤80
Steam permissible pressure (mbar) 40 40 40 40 40 40 40 40 40 40 40
Suction rate of Steam
0.3 0.3 0.6 1 1 1.6 2.5 4 4.5 5 8
Operating Humidity(ºC) 82 82 80 80 80 84 95 95 81 83 88
Oil mass(L) 0.5 0.5 1 2 2 2 5 5 7 7 20
Weight(kg) 18 18 45 55 60 70 150 150 195 211 500
Thread for air inlet port () Rp3/4″ Rp3/4″ Rp1/4″ Rp1/4″ Rp1/4″ Rp1/4″ Rp2″ Rp2″ Rp2″ Rp2″ Rp3″
Overall dimensions:
650x300x280 650x300x280 650x300x280 650x430x295 650x430x295 720x430x295 850x505x440 850x505x440 980x560x440 1571x560x440 1850x850x750

Basic parameters(For reference double-stage)

FX8 FX16 FX32 FX60
Geometric extraction velocity  L/s (m³/h) 2.2(8) 4.4(16) 9.3(33.4) 17.5(63.0)
Nominal extraction speed  L/s (m³/h) 2 (7.2) 4 (14.4) 8.0(28.8) 15.0(54.0)
Limiting partial pressure(Pa) Air ballast valve close ≤ 4×10^-2 ≤ 2×10^-2
Air ballast valve open ≤ 8×10^-2
Ultimate total pressure(Pa) Air ballast valve close ≤5×10^-1
Air ballast valve open ≤ 6×10^-1
Noise  Lw:dB(A) Air ballast valve close 62 65 69 70
Air ballast valve open 65 67 71 72
Allowable pressure of water vapor(Pa) 2000 2500 3000 4000
Steam extraction rate  L/h 360 500 600 1200
Air outlet DN25ISOKF
Oil mass(L) 1.1 1.5 2.8/3.5 4.0/4.8
Recommended oil grade HFV-A200 HFV-A200s
Motor speed(r/min) 1400 1420 1400 1420
Working voltage(v) 380 380 380 380
Motor power(kw) 0.37 0.55 1.1 2.2
Weight(three-phase voltage/singel phase voltage) kg 27/29 28.2/34 58.5 75
Overall dimensions:L×W×H(mm) 500×700×300 540×180×300 630×240×410 690×240×410
Overall dimensions with oil shield:L×W×H(mm) 500×770×415 540×180×415 630×240×530 690×240×530


Characteristic Curve


Detailed Photos

rotary vane vacuum pump

Vacuum pump is used in the field of chemical and pharmaceutical factory

General Manager Speech

Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.

Company Profile

ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.

 New plant plHangZhou

The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.

High precision machining equipment

The company cooperates with many scientific research institutions and universities, such as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, etc.with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents.Our technology is leading, the product quality is stable, the product has a good reputation in China’s domestic market, is sold all over the country, and is exported to Europe, America, Africa, the Middle East and Southeast Asia,We adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.

 Product quality wins consumer cooperationIn shipment ISO 9001

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After-sales Service: Lifetime Paid Service
Warranty: One Year
Oil or Not: Oil
Structure: Screw
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum


vacuum pump

Can Vacuum Pumps Be Used for Vacuum Furnaces?

Yes, vacuum pumps can be used for vacuum furnaces. Here’s a detailed explanation:

Vacuum furnaces are specialized heating systems used in various industries for heat treatment processes that require controlled environments with low or no atmospheric pressure. Vacuum pumps play a crucial role in creating and maintaining the vacuum conditions necessary for the operation of vacuum furnaces.

Here are some key points regarding the use of vacuum pumps in vacuum furnaces:

1. Vacuum Creation: Vacuum pumps are used to evacuate the furnace chamber, creating a low-pressure or near-vacuum environment. This is essential for the heat treatment processes carried out in the furnace, as it helps eliminate oxygen and other reactive gases, preventing oxidation or unwanted chemical reactions with the heated materials.

2. Pressure Control: Vacuum pumps provide the means to control and maintain the desired pressure levels within the furnace chamber during the heat treatment process. Precise pressure control is necessary to achieve the desired metallurgical and material property changes during processes such as annealing, brazing, sintering, and hardening.

3. Contamination Prevention: By removing gases and impurities from the furnace chamber, vacuum pumps help prevent contamination of the heated materials. This is particularly important in applications where cleanliness and purity of the processed materials are critical, such as in the aerospace, automotive, and medical industries.

4. Rapid Cooling: Some vacuum furnace systems incorporate rapid cooling capabilities, known as quenching. Vacuum pumps assist in facilitating the rapid cooling process by removing the heat generated during quenching, ensuring efficient cooling and minimizing distortion or other unwanted effects on the treated materials.

5. Process Flexibility: Vacuum pumps provide flexibility in the type of heat treatment processes that can be performed in vacuum furnaces. Different heat treatment techniques, such as vacuum annealing, vacuum brazing, or vacuum carburizing, require specific pressure levels and atmospheric conditions that can be achieved and maintained with the use of vacuum pumps.

6. Vacuum Pump Types: Different types of vacuum pumps can be used in vacuum furnaces, depending on the specific requirements of the heat treatment process. Commonly used vacuum pump technologies include oil-sealed rotary vane pumps, dry screw pumps, diffusion pumps, and cryogenic pumps. The choice of vacuum pump depends on factors such as required vacuum level, pumping speed, reliability, and compatibility with the process gases.

7. Maintenance and Monitoring: Proper maintenance and monitoring of vacuum pumps are essential to ensure their optimal performance and reliability. Regular inspections, lubrication, and replacement of consumables (such as oil or filters) are necessary to maintain the efficiency and longevity of the vacuum pump system.

8. Safety Considerations: Operating vacuum furnaces with vacuum pumps requires adherence to safety protocols. This includes proper handling of potentially hazardous gases or chemicals used in the heat treatment processes, as well as following safety guidelines for operating and maintaining the vacuum pump system.

Overall, vacuum pumps are integral components of vacuum furnaces, enabling the creation and maintenance of the required vacuum conditions for precise and controlled heat treatment processes. They contribute to the quality, consistency, and efficiency of the heat treatment operations performed in vacuum furnaces across a wide range of industries.

vacuum pump

How Do Vacuum Pumps Assist in Freeze-Drying Processes?

Freeze-drying, also known as lyophilization, is a dehydration technique used in various industries, including pharmaceutical manufacturing. Vacuum pumps play a crucial role in facilitating freeze-drying processes. Here’s a detailed explanation:

During freeze-drying, vacuum pumps assist in the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. The freeze-drying process involves three main stages: freezing, primary drying (sublimation), and secondary drying (desorption).

1. Freezing: In the first stage, the pharmaceutical product is frozen to a solid state. Freezing is typically achieved by lowering the temperature of the product below its freezing point. The frozen product is then placed in a vacuum chamber.

2. Primary Drying (Sublimation): Once the product is frozen, the vacuum pump creates a low-pressure environment within the chamber. By reducing the pressure, the boiling point of water or solvents present in the frozen product is lowered, allowing them to transition directly from the solid phase to the vapor phase through a process called sublimation. Sublimation bypasses the liquid phase, preventing potential damage to the product’s structure.

The vacuum pump maintains a low-pressure environment by continuously removing the water vapor or solvent vapor generated during sublimation. The vapor is drawn out of the chamber, leaving behind the freeze-dried product. This process preserves the product’s original form, texture, and biological activity.

3. Secondary Drying (Desorption): After the majority of the water or solvents have been removed through sublimation, the freeze-dried product may still contain residual moisture or solvents. In the secondary drying stage, the vacuum pump continues to apply vacuum to the chamber, but at a higher temperature. The purpose of this stage is to remove the remaining moisture or solvents through evaporation.

The vacuum pump maintains the low-pressure environment, allowing the residual moisture or solvents to evaporate at a lower temperature than under atmospheric pressure. This prevents potential thermal degradation of the product. Secondary drying further enhances the stability and shelf life of the freeze-dried pharmaceutical product.

By creating and maintaining a low-pressure environment, vacuum pumps enable efficient and controlled sublimation and desorption during the freeze-drying process. They facilitate the removal of water or solvents while minimizing the potential damage to the product’s structure and preserving its quality. Vacuum pumps also contribute to the overall speed and efficiency of the freeze-drying process by continuously removing the vapor generated during sublimation and evaporation. The precise control provided by vacuum pumps ensures the production of stable and high-quality freeze-dried pharmaceutical products.

vacuum pump

What Is the Purpose of a Vacuum Pump in an HVAC System?

In an HVAC (Heating, Ventilation, and Air Conditioning) system, a vacuum pump serves a crucial purpose. Here’s a detailed explanation:

The purpose of a vacuum pump in an HVAC system is to remove air and moisture from the refrigerant lines and the system itself. HVAC systems, particularly those that rely on refrigeration, operate under specific pressure and temperature conditions to facilitate the transfer of heat. To ensure optimal performance and efficiency, it is essential to evacuate any non-condensable gases, air, and moisture from the system.

Here are the key reasons why a vacuum pump is used in an HVAC system:

1. Removing Moisture: Moisture can be present within an HVAC system due to various factors, such as system installation, leaks, or improper maintenance. When moisture combines with the refrigerant, it can cause issues like ice formation, reduced system efficiency, and potential damage to system components. A vacuum pump helps remove moisture by creating a low-pressure environment, which causes the moisture to boil and turn into vapor, effectively evacuating it from the system.

2. Eliminating Air and Non-Condensable Gases: Air and non-condensable gases, such as nitrogen or oxygen, can enter an HVAC system during installation, repair, or through leaks. These gases can hinder the refrigeration process, affect heat transfer, and decrease system performance. By using a vacuum pump, technicians can evacuate the air and non-condensable gases, ensuring that the system operates with the designed refrigerant and pressure levels.

3. Preparing for Refrigerant Charging: Prior to charging the HVAC system with refrigerant, it is crucial to create a vacuum to remove any contaminants and ensure the system is clean and ready for optimal refrigerant circulation. By evacuating the system with a vacuum pump, technicians ensure that the refrigerant enters a clean and controlled environment, reducing the risk of system malfunctions and improving overall efficiency.

4. Leak Detection: Vacuum pumps are also used in HVAC systems for leak detection purposes. After evacuating the system, technicians can monitor the pressure to check if it holds steady. A significant drop in pressure indicates the presence of leaks, enabling technicians to identify and repair them before charging the system with refrigerant.

In summary, a vacuum pump plays a vital role in an HVAC system by removing moisture, eliminating air and non-condensable gases, preparing the system for refrigerant charging, and aiding in leak detection. These functions help ensure optimal system performance, energy efficiency, and longevity, while also reducing the risk of system malfunctions and damage.

China Good quality High Pressure Oil Silent Rotary Vane Lab Vacuum Pump of CHINAMFG   manufacturer China Good quality High Pressure Oil Silent Rotary Vane Lab Vacuum Pump of CHINAMFG   manufacturer
editor by CX 2024-04-15

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