China Hot selling 2be1 151 Water Ring Vacuum Pump for Chemical, Chemical Fertilizer, Paper and Pharmaceutical Industry From China vacuum pump diy

Product Description


Catalogue sheet 2BE1 151-0
  Liquid Ring  Vacuum pump

Introducing the 2BE1 151 Series China Pumps Liquid Water Ring Vacuum Pump – a top-of-the-line product designed to meet all your vacuum pumping needs. This high-quality vacuum pump is perfect for a wide range of applications, from industrial to commercial use.

With its advanced technology and superior performance, the 2be1 202 Series China Pumps Liquid Water Ring Vacuum Pump is the ideal choice for those seeking a reliable and efficient vacuum pump. Its powerful motor ensures maximum suction power, while its durable construction guarantees long-lasting performance.

This vacuum pump is designed to handle a variety of liquids and gases, making it a versatile tool for any industry. Its compact size and easy-to-use design make it a popular choice for those seeking a reliable and efficient vacuum pump.

So if you’re looking for a top-quality vacuum pump that can handle all your pumping needs, look no further than the 2be1 202 Series China Pumps Liquid Water Ring Vacuum Pump. With its superior performance and advanced technology, this vacuum pump is sure to exceed your expectations. 
Main applications                                                                             
2BE1 pumps are ideally suited for general industry applications and      2BE1-Pump
 for higher demands of the process industry, including:        

  • Reactions    §        
  • VCM recovery      §        
  • Explosive gas compression    §        
  • Distillation   §        
  • Evaporation          §        
  • Filtration      §      
  • Solvent recovery §        
  • Drying         §        
  • Extrusion     §        


Main industries                                                                                                             


Features and benefits                                                                                                    


  • Efficient CPI version      §        
  • Large material variety    §        
  • Inlet pressures until 33 mbar   §        
  • Wide selection of shaft seal options §        
  • Large differential pressure capability         §
  • High hydro test pressure capability §      
  • Also with ATEX certification in Cat. 1 and 2        §

 Catalogue sheet   2BE1 151-0 Pumps
Performance curves

Inches of mercury vacuum
                                     29          28          27          26          25          24          23          22           21           15          10           5           0


These performance curves are based on operating conditions with saturated air at a temperature of 20 °C (68 °F), operating water at a temperature of 15 °C (60 °F), and a discharge pressure of 1013 mbar (29.92 in Hg abs.) with a tolerance of + 10 %, acc. to PNEUROP 6612. Air ejectors of the series types 2BP9 are available for suction pressures which are less than 33 mbar. Further details on request.
Operating conditions based on different temperatures than stated above, often result in increased capacities. Thus, a smaller pump might be selected. Please contact us for your specific requirements.
Calculation of individual performance curves is done acc. to individual specification requirements.




Operating liquid rates  • 
Operating liquid rates (water) for various inlet pressures (1 m³/h = 4.4 US gpm):    
Speed / Drehzahl rpm  (min-1)  mbar:/m3/h  
< 200
200 … 600
> 600
1810   1.9 1.30 0.63
1750   1.8 1.20 0.60
1625   1.7 1.13 0.57
1450   1.5 1.00 0.50
1300   1.3 0.87 0.43
1100   1.1 0.73 0.37

 Tolerance + 20 % / Toleranz: + 20 %

Materials  •
Part No. Description Benennung Material of construction – Werkstoffkombination
Teile Nr.
Cast iron
Cast iron – Stainless steel combination Stainless steel
      Gusseisen Gusseisen – Edelstahl – Kombination Edelstahl
      B M N P H
      Order No. Order No. Order No. Order No. Order No.
Vacuum pump 
Spheroidal graphite cast iron
ASTM A 536 
Grade 60-40-18 2)
Stainless steel casting
Gusseisen mit
EN-GJS-400-15/ EN-JS1030
(GGG-40 / 0.7040) 2)
Nichtrostender Stahlguss
GX5CrNiMoNb19-11-2 (1.4581) 2)
Stainless steel
ASTM A 276 Type 420 2)  
Stainless steel
ASTM A 276 316Ti 2)
Nichtrostender Stahl
X20Cr13-V / 1.4571.05 2)
Nichtrostender Stahl
X6CrNiMoTi17-12-2 /
1.4571 2)
Port plates
Grey cast iron 
ASTM A 48 Class 30 B 2)
Stainless steel casting 1)
Gusseisen mit Lamellengraphit 
EN-GJL-200/EN-JL1030 (GG-20 / 0.6571) 2)
Nichtrostender Stahlguss 1)
GX5CrNiMoNb19-11-2 (1.4581) 2)
Grey cast iron 
ASTM A 48 Class 30 B 2)
Stainless steel 1)
ASTM A 276 316Ti 2)
Gusseisen mit Lamellengraphit 
EN-GJL-200/EN-JL1030 (GG-20 / 0.6571) 2)
Nichtrostender Stahl 1)
X6CrNiMoTi17-12-2 / 1.4571 2)
End shields
Grey cast iron 
ASTM A 48 Class 30 B 2)
Stainless steel casting 1)
Gusseisen mit Lamellengraphit 
EN-GJL-200/EN-JL1030 (GG-20 / 0.6571) 2)
Nichtrostender Stahlguss 1)
(1.4581) 2)
Stuffing box  packing
Stopfbuchs- packung
Greased Cotton 
Baumwolle gefettet
Ramie-fibre with PTFE Ramiefaser mit PTFE
Mechanical seal
Chromium steel casting/carbon/viton Chromguss/Kohle/Viton
Extended scope of supply 
(F44 / F47)
(F44 / F47)
Grey cast iron 
ASTM A 48 Class 30 B 2)
Stainless steel casting 1) ASTM A 743-CF-3MN 2)
Gusseisen mit Lamellengraphit 
EN-GJL-200/EN-JL1030 (GG-20 / 0.6571) 2)
Nichtrostender Stahlguss 1)
(1.4581) 2)
Liquid separator (F43)
Flüssigkeits- abscheider (F43)
Carbon steel 
ASTM A283 Grade C 2)
Stainless steel 1)
ASTM A 276 316Ti 2)
S235JRG1+CR / 1.0036 (UST 37-2) 2)
Nichtrostender Stahl 1)
X6CrNiMoTi17-12-2 /
1.4571 2)


  1. Parts pickled and passivated. /     
  2. Or comparable material. /


Model numbers and order information  •                                                                        
Scope of supply Lieferumfang   Material of construction – Werkstoffkombination (Details on page 4  –  Details siehe Seite 4) Weight
Cast iron Cast iron – Stainless Stainless steel steel combinations
Gusseisen Gusseisen – Edelstahl – Edelstahl Kombinationen
B M;  N;  P      H
Order No. Order No. Order No.
Bestell-Nr. Bestell-Nr. Bestell-Nr.
appr. kg
Vacuum pump, basic design     
Vacuum pump 
Shaft sealing optional:
Stuffing box    with internal sealant  Stuffing box with external   sealant supply
Mechanical seal, single acting,       with internal sealant supply
Mechanical seal, double acting,    with external sealant supply 
Wellenabdichtung wahlweise:
Stopfbuchse mit interner
Stopfbuchse mit externer
Gleitringdichtung, einfach-     wirkend, mit interner Sperr-    flüssigkeitsversorgung Gleitringdichtung, doppelt-   wirkend, mit externer Sperr- 
2BE1 151-0BY4
2BE1 151-0BY3
2BE1 151-0BY8
2BE1 151-0BY5
2BE1 151-0Y4
2BE1 151-0Y3
2BE1 151-0Y8
2BE1 151-0Y5
2BE1 151-0HY4
2BE1 151-0HY3
2BE1 151-0HY8
2BE1 151-0HY5
Extended scope of supply     
Order code *) Kurzangabe *) Order code *) Kurzangabe *) Order code *) Kurzangabe *) appr. kg
With mounted suction   manifold
With discharge-side    mounted liquid separator
With mounted discharge    manifold
Flange connection acc. to 
  ANSI B16.5
With spray nozzle
With cavitation proctection
Increase of operating liquid Viton cord O-ring packing      between casing, port plate     and end shield Certified acc. to ATEX
   Category 1
   Category 2                            
Mit saugseitig aufgebautem 
Mit aufgebautem Flüssigkeits-   abscheider
Mit druckseitig aufgebautem      Hosenrohr
Anschlussflansche nach 
  ANSI B16.5
Mit Kondensations-Einspritzdüse
Mit Kavitationsschutz Kühlschaltung
Viton O-Ring-Abdichtung     zwischen Gehäuse, Steuer-    scheibe und Seitenschild
Zertifiziert gem. ATEX
   Kategorie 1
   Kategorie 2                            
      on request / auf Anfrage  

 *)  Add to the vacuum pump order no. a -Z and the order code(s) as given:                                        e.g.:     2BE1 151-0BY4-Z
    An die Bestell-Nr. der Vakuumpumpe ist ein -Z und die Kurzangabe(n) wie folgt anzufügen:        z.B.:      F43+F62

Dimensions  •                                               


Drive variations –
Recommended direct   
Vacuum pump with 3-phase motor (B3), coupling with guard, mounted on a baseplate. 
Vakuumpumpe mit Drehstrommotor (B3), Kupplung mit Schutz, montiert auf Grundplatte.
Operating speed Frequency  Rated output Degree of protection  
Betriebsdrehzahl Frequenz  Bemessungsleistung Schutzart  
rpm (min-1)                     
IP54 EEx e II T3

 Similar to ISO 1571-3. / in Anlehnung an ISO 1571-3.       

After-sales Service: Online Support
Warranty: 12months
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: Low Vacuum


vacuum pump

What Is the Role of Vacuum Pumps in Semiconductor Manufacturing?

Vacuum pumps play a critical role in semiconductor manufacturing processes. Here’s a detailed explanation:

Semiconductor manufacturing involves the production of integrated circuits (ICs) and other semiconductor devices used in various electronic applications. Vacuum pumps are used extensively throughout the semiconductor manufacturing process to create and maintain the required vacuum conditions for specific manufacturing steps.

Here are some key roles of vacuum pumps in semiconductor manufacturing:

1. Deposition Processes: Vacuum pumps are used in deposition processes such as physical vapor deposition (PVD) and chemical vapor deposition (CVD). These processes involve depositing thin films of materials onto semiconductor wafers to create various layers and patterns. Vacuum pumps help create a low-pressure environment necessary for precise control of the deposition process, ensuring uniform and high-quality film formation.

2. Etching and Cleaning: Vacuum pumps are utilized in etching and cleaning processes, which involve the removal of specific layers or contaminants from semiconductor wafers. Dry etching techniques, such as plasma etching and reactive ion etching, require a vacuum environment to facilitate the ionization and removal of material. Vacuum pumps aid in creating the necessary low-pressure conditions for efficient etching and cleaning processes.

3. Ion Implantation: Ion implantation is a process used to introduce impurities into specific regions of a semiconductor wafer to modify its electrical properties. Vacuum pumps are used to evacuate the ion implantation chamber, creating the required vacuum environment for accurate and controlled ion beam acceleration and implantation.

4. Wafer Handling and Transfer: Vacuum pumps are employed in wafer handling and transfer systems. These systems utilize vacuum suction to securely hold and manipulate semiconductor wafers during various manufacturing steps, such as loading and unloading from process chambers, robotic transfer between tools, and wafer alignment.

5. Load Lock Systems: Load lock systems are used to transfer semiconductor wafers between atmospheric conditions and the vacuum environment of process chambers. Vacuum pumps are integral components of load lock systems, creating and maintaining the vacuum conditions necessary for wafer transfer while minimizing contamination risks.

6. Metrology and Inspection: Vacuum pumps are utilized in metrology and inspection tools used for characterizing semiconductor devices. These tools, such as scanning electron microscopes (SEMs) and focused ion beam (FIB) systems, often operate in a vacuum environment to enable high-resolution imaging and accurate analysis of semiconductor structures and defects.

7. Leak Detection: Vacuum pumps are employed in leak detection systems to identify and locate leaks in vacuum chambers, process lines, and other components. These systems rely on vacuum pumps to evacuate the system and then monitor for any pressure rise, indicating the presence of leaks.

8. Cleanroom Environment Control: Semiconductor manufacturing facilities maintain cleanroom environments to prevent contamination during the fabrication process. Vacuum pumps are used in the design and operation of the cleanroom ventilation and filtration systems, helping to maintain the required air cleanliness levels by removing particulates and maintaining controlled air pressure differentials.

Vacuum pumps used in semiconductor manufacturing processes are often specialized to meet the stringent requirements of the industry. They need to provide high vacuum levels, precise control, low contamination levels, and reliability for continuous operation.

Overall, vacuum pumps are indispensable in semiconductor manufacturing, enabling the creation of the necessary vacuum conditions for various processes, ensuring the production of high-quality semiconductor devices.

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 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 Hot selling 2be1 151 Water Ring Vacuum Pump for Chemical, Chemical Fertilizer, Paper and Pharmaceutical Industry From China   vacuum pump diyChina Hot selling 2be1 151 Water Ring Vacuum Pump for Chemical, Chemical Fertilizer, Paper and Pharmaceutical Industry From China   vacuum pump diy
editor by CX 2023-10-26