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China manufacturer Multi-Stage Centrifugal Vacuum Pump for Tissue Folding Machine (MC220) with high quality

Descrizione del prodotto

Profilo aziendale

SHEN LAN  is a foreign trade enterprise in the field of professional and industrial pumps. Established in 2008, our factory has become a famous enterprise in the Chinese market, and our products are exported to Europe, America, Asia and Africa. The high quality of our products has won us high reputation both at home and abroad. The company has core patents, research and development of all kinds of different functions of slurry pump, desulfurization pump, clean water pump, vacuum pump and other products, Our products are applicable in various fields such as labs, chemical, petroleum, papermaking, pharmacy and food industries, and water and electricity factories. According to customers′ different use scenarios to develop technical solutions. Meet any customer needs. The company focuses on product quality, in accordance with the highest standards in the industry to produce, so that customers on quality rest assured, satisfied with the service. As a trustworthy China Supplier, we sincerely hope to cooperate with more friends worldwide.


Descrizione del prodotto

The D-type pump is designed to transport clean water or liquids with physical and chemical properties similar to clean water that do not contain CHINAMFG particles and have a temperature below 80C. Suitable for mines
Factory city water supply and drainage. The DF pump is designed for transporting liquids with temperatures ranging from -20C to 105C, which do not contain CHINAMFG particles and are corrosive. The inlet pressure of the pump is less than 6Mpa. The DY pump is suitable for conveying solids free particles. Oil petroleum products with a temperature of -20C~105C and a viscosity of less than 120 cm. The MD multi-stage wear-resistant pump is suitable for conveying particles in coal mines with a content not exceeding 1.5%. Neutral mine water with a particle size less than 0.5mm and a temperature not exceeding 40C and similar other sewage.
According to different purposes, D series can be divided into:

D: Suitable for transporting clean water without CHINAMFG particles or liquids with physical and chemical properties similar to clean water. The temperature of the transported medium is 0~+80ºC, the pump suction is horizontal, and the discharge is vertically upward.

DM: It is suitable for conveying liquids with a small amount of CHINAMFG particles and similar physical and chemical properties to clean water. The temperature of the conveyed medium is 0~+80ºC, the pump suction is horizontal, and the discharge is vertically upward.

DG: It is suitable for conveying clear water without CHINAMFG particles or objects with physical and chemical properties similar to clear water. The temperature of the conveyed medium is -20ºC~150ºC, and the suction and discharge of the pump are vertically upward.

DY: It is suitable for conveying petroleum products without CHINAMFG particles or other liquids similar to water. The temperature of the conveyed medium is -20ºC~+400ºC, and the suction and discharge of the pump are vertically upward.

DF: Suitable for conveying corrosive liquids without CHINAMFG particles, the temperature of the conveyed medium is -20ºC~+150ºC, and the suction and discharge of the pump are vertically upward.

All the above types of pumps can be selected with mechanical seals or soft packing seals according to user requirements, and the material of the flow-through parts can be cast iron, bronze, stainless steel or ordinary carbon steel.

Performance Parameters:

Flow: 3.7-1350m3/h
Head: 33-1800m
Power: 3-1600kw
Materiale: Cast Iron,SS304,SS316,etc

Descrizione del prodotto

Biref introduction:
ZLF (ZLX,ZLJ)vertical submerged chemical pump adopts double bearing supporting to improve the reliability and stability of operation. A suction pump below 2 m length can be added to pump inlet according to the requirement of working liquid level. Various materials are available for different applications. ZLF (ZLX,ZLJ)vertical submerged chemical pump is suitable for conveying fluids without solids or fluids with a few suspending particles. It is widely used in industries of electric power,mining,cement,metallurgy,non-ferrous metals…


  1. Flow rate:Q=9~460 (m³/h)
  2. Total head:H=10~65 (m)
  3. Pump speed:n=1450rpm
  4. Fluid s.g.:γ ≤1.5 
  5. Fluid temperature:T=0~80ºC 
  6. Pump diameter:50~200mm


  1. A new type vertical submerged centrifugal chemical pump conforms to standard JB/T8096-1998.
  2. Double bearing supporting to improve the reliability and stability of operation.
  3. Optimized hydraulic model to better adapt different applications.
  4. Several standard immersed depths of pump.A suction pipe can be added onto pump inlet flange when the pump immersed depth is longer than 1.5 m.
  5. Adopting low linear speed design for heavy slurry to extend pump life.
  6. Different anti-abrasive materials for various applications.


  1. Single casing structure,pump casing is connected to the supporting tube,supporting tube is connected to bearing housing,bearing housing is connected to baseplate.
  2. Cylinder type bearing housing plus rolling bearings.
  3. Sealing ring as the shaft sealing,without any cooling water.
  4. A stir impeller is adopted beyond the impeller of ZLJ model to agitate slurry or particles in the fluids.
  5. Direct coupled Transmission.



Q1. Are you a manufacturer?

Yes, we have been in centrifugal pumps manufacturing and marketing industry over  20 years.
Q2. What markets do your pumps export to?
Europe, North & South America, South-East Asia, Africa, Oceanica, Middle East countries. Our overseas agent in Italy, Russia, America and Africa are gradually improving.
Q3. What information should I let you know if I want to get a quotation?
Please let us know the pump capacity, head, medium, operation situation, quantity, etc. As much as your provide, the precision and accurate model selection.
Q4. Is it available to print our own brand on the pump?
Totally acceptable as international rules.
Q5. How can I get the price of your pump?
You can connect with us through any of the following contact information. Our personalized service person will respond you within 24 hours.




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Servizio post-vendita: Timely Communication
Garanzia: 1year
Max.Head: 80-110m
US$ 5000/Set
1 Set(Min.Order)


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Costo di spedizione:

Trasporto stimato per unità.

sulle spese di spedizione e sui tempi di consegna previsti.
Metodo di pagamento:


Pagamento iniziale

Pagamento completo
Valuta: US$
Restituzione e rimborso: È possibile richiedere un rimborso fino a 30 giorni dal ricevimento dei prodotti.

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Can Vacuum Pumps Be Used for Vacuum Packaging?

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

Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.

When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:

1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.

2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.

When using vacuum pumps for vacuum packaging, the following steps are typically involved:

1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.

2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.

3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.

4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.

5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.

6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.

It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.

Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.

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What Is the Difference Between Dry and Wet Vacuum Pumps?

Dry and wet vacuum pumps are two distinct types of pumps that differ in their operating principles and applications. Here’s a detailed explanation of the differences between them:

Dry Vacuum Pumps:

Dry vacuum pumps operate without the use of any lubricating fluid or sealing water in the pumping chamber. They rely on non-contact mechanisms to create a vacuum. Some common types of dry vacuum pumps include:

1. Rotary Vane Pumps: Rotary vane pumps consist of a rotor with vanes that slide in and out of slots in the rotor. The rotation of the rotor creates chambers that expand and contract, allowing the gas to be pumped. The vanes and the housing are designed to create a seal, preventing gas from flowing back into the pump. Rotary vane pumps are commonly used in laboratories, medical applications, and industrial processes where a medium vacuum level is required.

2. Dry Screw Pumps: Dry screw pumps use two or more intermeshing screws to compress and transport gas. As the screws rotate, the gas is trapped between the threads and transported from the suction side to the discharge side. Dry screw pumps are known for their high pumping speeds, low noise levels, and ability to handle various gases. They are used in applications such as semiconductor manufacturing, chemical processing, and vacuum distillation.

3. Claw Pumps: Claw pumps use two rotors with claw-shaped lobes that rotate in opposite directions. The rotation creates a series of expanding and contracting chambers, enabling gas capture and pumping. Claw pumps are known for their oil-free operation, high pumping speeds, and suitability for handling dry and clean gases. They are commonly used in applications such as automotive manufacturing, food packaging, and environmental technology.

Wet Vacuum Pumps:

Wet vacuum pumps, also known as liquid ring pumps, operate by using a liquid, typically water, to create a seal and generate a vacuum. The liquid ring serves as both the sealing medium and the working fluid. Wet vacuum pumps are commonly used in applications where a higher level of vacuum is required or when handling corrosive gases. Some key features of wet vacuum pumps include:

1. Liquid Ring Pumps: Liquid ring pumps feature an impeller with blades that rotate eccentrically within a cylindrical casing. As the impeller rotates, the liquid forms a ring against the casing due to centrifugal force. The liquid ring creates a seal, and as the impeller spins, the volume of the gas chamber decreases, leading to the compression and discharge of gas. Liquid ring pumps are known for their ability to handle wet and corrosive gases, making them suitable for applications such as chemical processing, oil refining, and wastewater treatment.

2. Water Jet Pumps: Water jet pumps utilize a jet of high-velocity water to create a vacuum. The water jet entrains gases, and the mixture is then separated in a venturi section, where the water is recirculated, and the gases are discharged. Water jet pumps are commonly used in laboratories and applications where a moderate vacuum level is required.

The main differences between dry and wet vacuum pumps can be summarized as follows:

1. Operating Principle: Dry vacuum pumps operate without the need for any sealing fluid, while wet vacuum pumps utilize a liquid ring or water as a sealing and working medium.

2. Lubrication: Dry vacuum pumps do not require lubrication since there is no contact between moving parts, whereas wet vacuum pumps require the presence of a liquid for sealing and lubrication.

3. Applications: Dry vacuum pumps are suitable for applications where a medium vacuum level is required, and oil-free operation is desired. They are commonly used in laboratories, medical settings, and various industrial processes. Wet vacuum pumps, on the other hand, are used when a higher vacuum level is needed or when handling corrosive gases. They find applications in chemical processing, oil refining, and wastewater treatment, among others.

It’s important to note that the selection of a vacuum pump depends on specific requirements such as desired vacuum level, gas compatibility, operating conditions, and the nature of the application.

In summary, the primary distinction between dry and wet vacuum pumps lies in their operating principles, lubrication requirements, and applications. Dry vacuum pumps operate without any lubricating fluid, while wet vacuum pumps rely on a liquid ring or water for sealing and lubrication. The choice between dry and wet vacuum pumps depends on the specific needs of the application and the desired vacuum level.

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What Industries Commonly Rely on Vacuum Pump Technology?

Vacuum pump technology finds applications in various industries where creating and controlling vacuum or low-pressure environments is crucial. Here’s a detailed explanation:

1. Manufacturing and Production: Vacuum pumps are extensively used in manufacturing and production processes across multiple industries. They are employed for tasks such as vacuum molding, vacuum packaging, vacuum degassing, vacuum drying, and vacuum distillation. Industries like automotive, aerospace, electronics, pharmaceuticals, and food processing rely on vacuum pump technology to achieve precise and controlled manufacturing conditions.

2. Chemical and Pharmaceutical: The chemical and pharmaceutical industries heavily rely on vacuum pumps for numerous applications. These include solvent recovery, vacuum filtration, vacuum drying, distillation, crystallization, and evaporation. Vacuum pumps enable these industries to carry out critical processes under reduced pressure, ensuring efficient separation, purification, and synthesis of various chemical compounds and pharmaceutical products.

3. Semiconductor and Electronics: The semiconductor and electronics industries extensively use vacuum pumps for manufacturing microchips, electronic components, and electronic devices. Vacuum pumps are crucial in processes such as physical vapor deposition (PVD), chemical vapor deposition (CVD), etching, ion implantation, and sputtering. These processes require controlled vacuum conditions to ensure precise deposition, surface modification, and contamination-free manufacturing.

4. Research and Development: Vacuum pump technology is integral to research and development activities across scientific disciplines. It supports experiments and investigations in fields such as physics, chemistry, materials science, biology, and environmental science. Vacuum pumps facilitate processes like freeze drying, vacuum distillation, vacuum evaporation, vacuum spectroscopy, and creating controlled atmospheric conditions for studying various phenomena.

5. Food and Beverage: The food and beverage industry relies on vacuum pumps for packaging and preservation purposes. Vacuum sealing is used to extend the shelf life of food products by removing air and creating a vacuum-sealed environment that inhibits spoilage and maintains freshness. Vacuum pumps are also used in processes like freeze drying, vacuum concentration, and vacuum cooling.

6. Oil and Gas: In the oil and gas industry, vacuum pumps play a role in various applications. They are used for crude oil vacuum distillation, vacuum drying, vapor recovery, gas compression, and gas stripping processes. Vacuum pumps help maintain optimal conditions during oil refining, gas processing, and petrochemical manufacturing.

7. Environmental and Waste Management: Vacuum pumps are employed in environmental and waste management applications. They are used for tasks such as soil vapor extraction, groundwater remediation, landfill gas recovery, and wastewater treatment. Vacuum pumps facilitate the removal and containment of gases, vapors, and pollutants, contributing to environmental protection and sustainable waste management.

8. Medical and Healthcare: The medical and healthcare sectors utilize vacuum pumps for various purposes. They are used in medical equipment such as vacuum-assisted wound therapy devices, vacuum-based laboratory analyzers, and vacuum suction systems in hospitals and clinics. Vacuum pumps are also used in medical research, pharmaceutical production, and medical device manufacturing.

9. Power Generation: Vacuum pumps play a role in power generation industries, including nuclear power plants and thermal power plants. They are used for steam condensation, turbine blade cooling, vacuum drying during transformer manufacturing, and vacuum systems for testing and maintenance of power plant equipment.

10. HVAC and Refrigeration: The HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries rely on vacuum pumps for system installation, maintenance, and repair. Vacuum pumps are used to evacuate air and moisture from refrigerant lines and HVAC systems, ensuring optimal system performance and efficiency.

These are just a few examples of industries that commonly rely on vacuum pump technology. The versatility and wide-ranging applications of vacuum pumps make them indispensable tools across numerous sectors, enabling precise control over vacuum conditions, efficient manufacturing processes, and scientific investigations.

China manufacturer Multi-Stage Centrifugal Vacuum Pump for Tissue Folding Machine (MC220)   with high quality China manufacturer Multi-Stage Centrifugal Vacuum Pump for Tissue Folding Machine (MC220)   with high quality
editor by CX 2024-02-10