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CORPORATE BROCHURE

Nanjing Vacuum Pump Factory Co., Ltd., established in 1958. Over the past half a century, the company has always been dedicated to the research  and development, design, manufacturing and application of vacuum  pumping equipment, and provided excellent vacuum products, overall  solutions and services to domestic and foreign process industry users. After several decades of development, we have been maintaining a leading  position in the product design and production. Our products have been applied in various fields extensively, including the petroleum, chemical  

engineering, metallurgy, electronics, machinery, medicine, textile,

papermaking, scientific research, aerospace, food processing, medical equipment, new energy, environmental engineering, etc.

Enterprise Profile

Performance range

- Ultimate vacuum: 33 mbar

- Pumping capacity: 30 ~ 500 m³/h

- Motor power: 1.1 ~ 15KW

Series liquid ring vacuum pump

1.Close to isothermal compression, suitable for various          complex and harsh conditions;

2.Equipped with anti-cavitation protection pipe interface;

3.Flexible exhaust design to prevent over-compression;

4.Multiple mechanical seals for complex conditions;

5.Enhanced bearing design to reduce internal clearance for high efficiency and low energy consumption;

6.Easy to maintain, long lifespan, high reliability.

Performance Range：

Features:

Performance Range：

- Ultimate vacuum: 33 mbar

- Pumping capacity: 165 ~ 26000 m³/h

- Motor power: 5.5 ~ 710 KW

1.Close to isothermal compression, suitable for various complex and harsh operating conditions;

2.Allows for carrying solid particles and liquids;

3.Wide range of air volume;

4.All equipped with anti-cavitation protection pipe interface;

5.The flexible exhaust port design does not cause over-compression;

6.Enhanced bearing design reduces internal clearance, high efficiency, and low energy consumption.

Features:

Series liquid ring vacuum pump

1.Large capacity liquid ring vacuum pump;

2.Close to isothermal compression, suitable for various complex and harsh conditions;

3.Multiple mechanical seal options to handle complex conditions;

4.High efficiency, low energy consumption, and low operating costs.

- Ultimate vacuum: 120~160 mbar

- Pumping capacity: 2600~42000 m³/h

- Motor power: 75~ 800KW

Performance Range：

Features:

Series  liquid ring vacuum pump

1.Dual-stage liquid ring vacuum pump;

2.High pumping rate maintained even in high vacuum conditions;

3.Multiple mechanical seal options to withstand complex operating conditions;

4.Multiple equipment materials available, durable, and high reliability.

- Ultimate vacuum: 33 mbar

- Pumping capacity: 150~7500 m³/h

- Motor power: 5.5~250KW

series liquid ring vacuum pump

Performance Range：

Features:

- Exhaust Pressure: 0.1~0.7Mpa.G

- Delivery Flow Rate: 270~8000 m³/h

- Motor Power: 30~ 560KW

1. Heavy-duty design with high reliability and long service life;

2.Achieves discharge pressure up to 0.7Mpa.G when using dual-stage compression;

3.Simple and compact structure with a longer compression section, allowing for higher efficiency and suction pressure;

4.The rotating components have no metal friction and do not require lubrication;

5.Uses water or chemical solvent as the working fluid to remove compression heat, with a working process close to isothermal compression;

6.The flow components are made of stainless steel or corrosion other-resistant materials.

Series liquid ring compressors

Features:

Performance Range：

- Exhaust pressure: 0.1~1.2Mpa.G

- Air capacity: 450~2500 m³/h

- Motor power: 45-900KW

1.The distributor is equipped with two sets of equal suction and exhaust channels, with dual-stage compression and a maximum exhaust pressure of 1.2Mpa.G;

2.The double-acting structure effectively balances the radial forces of the rotor, ensuring high gas compression efficiency and low vibration, noise, and temperature rise;

3.The cylindrical distributor and unique hydraulic balance technology prevent mechanical wear of the rotor, ensuring long-term stable and reliable performance;

4.The cantilever structure has fewer sealing and leakage points, resulting in low failure rate and low operation and maintenance costs.

Series liquid ring compressors

Performance Range：

Features:

CLD

Performance range

Ultimate vacuum: 30 Pa

Pumping capacity: 80 ~ 400 m³/h

Motor power: 5.5 ~ 18.5 KW

Series claw vacuum pump

1."Zero" emissions, low energy consumption, high recovery;

2.Indirect cooling system, precise heat exchange inside the pump;

3.Three-stage claw structure for continuous and stable compression;

4.Claw rotor design suitable for various harsh environments;

5.Vertical structure with strong resistance to liquids and particles, no accumulation inside the pump;

6.Dry corrosion-resistant design, combined with various anti-corrosion treatments, corrosion-free operation.

Performance Range：

Features:

N

Performance range

 Series screw vacuum pump translation

1."Zero" emissions, low energy consumption, high recovery;

2.Variable pitch design, uniform temperature rise, high efficiency;

3.Special housing groove design effectively prevents condensation;

4.Special anti-corrosion coating for corrosion resistance;

5.Special spiral jacket cooling structure design maximizes cooling effect;

6.Exhaust outlet downward design for easier discharge of particles;

7.Application of special sealing to enhance bearing durability.

Performance Range：

Features:

Ultimate vacuum: 1 Pa

Pumping capacity: 110~2700 m³/h

Motor power: 2.2~55 KW

Ultimate vacuum: < 1 Pa

Pumping capacity: 210-480 m³/h

Motor power: 4.1-11 KW

1."Zero" emissions, low energy consumption, high recovery;

2.Variable diameter and pitch tapered screw compression technology;

3.No coating, dry anti-corrosion;

4.Screw can be replaced individually;

5.Large cooling channel and gasket sealing, with good cleaning ability;

6.Indirect temperature cooling system technology, maintaining accurate heat transfer efficiency.

Performance Range：

 Series screw vacuum pump translation

Features:

 Series screw vacuum pump translation

Ultimate vacuum: 0.5 Pa

Pumping capacity: 1000 - 1300m³/h

Motor power: 30KW

1."Zero" emission, low energy consumption, high recovery;

2.Double-end compression screw technology;

3.Elimination of compression plate;

4. No coating, dry corrosion resistance;

5.Screw can be replaced separately;

6.Integrated water cooling and oil cooling system, precise control of temperature inside the pump chamber.

Performance Range：

Features:

G-z

Performance range

G-Q 

Performance range

G-EH 

Performance range

Maximum achievable ultimate vacuum in combination with preliminary pump: 0.02 Pa

Pumping capacity: 150-20000 L/S

Motor power: 1.5-375KW

Hydraulic coupling Roots pump：

1. The hydraulic coupling connects the motor shaft with the rotor, preventing the risk of motor overload;

2. Start-up under atmospheric pressure reduces the complexity of pipelines and instrument control compared to ordinary Roots pumps;

3. In case of unexpected stalling, the pump and motor can be effectively protected, minimizing losses.

Series Roots Pump

Features:

Performance Range：

High differential pressure Roots pump：

1. High compression ratio;

2. Quick pumping and low power consumption;

3. Heavy-duty bearing design;

4. Large bevel gear.

Air-cooled Roots pump：

1. Equipped with an external cooler for automatic circulation and cooling of the gas between the rotor and pump body;

2. The pump can work continuously under high pressure differential without suffering from thermal overload;

3.The pump can directly discharge air and can be used in series with a preceding pump, or it can be used alone.

Features:

System Manufacturing Factory: No. 67 Feiying Road, Jiangning Binjiang Development Zone, Nanjing City.

Pump Manufacturing Factory: No. 6 Huacheng Road, Boshan District, Zibo City, Shandong Province (Nanbo Union)

Phone：025-86211588

Email：apump@apump.com.cn

Official Website: https://apump.com.cn

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